CN108964791A - A kind of 1800M RF consistency automatic test device and method - Google Patents
A kind of 1800M RF consistency automatic test device and method Download PDFInfo
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- CN108964791A CN108964791A CN201810540237.7A CN201810540237A CN108964791A CN 108964791 A CN108964791 A CN 108964791A CN 201810540237 A CN201810540237 A CN 201810540237A CN 108964791 A CN108964791 A CN 108964791A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
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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
- H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
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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
-
- 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)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of 1800M RF consistency automatic test device and method, described device includes: test box, extension box and test controller；The test box includes digital control circuit and switch unit；The digital control circuit is used to carry out signal processing to the signal of input, and the digital control circuit is made of multiple modular circuit modules；Connection is carried out according to preset rules between the circuit module；The switch unit includes multiple signal paths, and the module or other signal paths of external equipment and digital control circuit for being attached by each of the multiple signal path according to preset rules by RF cable；The switch unit is used to control the on-off of each signal path；The extension box is used to complete extension test according to the extension signal that test box unit issues；The test controller is used to configure test case and test parameter according to testing requirement, and controls test box, extension box and external equipment.
Description
Technical field
The present invention relates to fields of communication technology, more particularly, to a kind of 1800M RF consistency automatic test device
And method.
Background technique
Currently, in mobile communication technology field, with the continuous development of technology, the integrated level of communication base station is higher and higher,
Frequency range coverage area from GSM, UMTS, LTE to MassiveMIMO constantly extend, the transmission power range of base station also gradually expands
Greatly.The antenna for base station number of 5th generation mobile communcations system (Fifth Generation, 5G) is even more to have decades of times than earlier generations
Increase.
LTE1800M private network frequency range difference and public network, traditional communication equipment test environment cannot be compatible with, especially at end
The terminal radio frequency consistency of end equipment is tested, the survey of transmitter characteristic, receiver identity and performance characteristics including terminal device
In examination, tested entries are numerous, and test environment is complicated and changeable, and structure is complicated, ring for the test environment built using conventional separators part
The adaptability and flexibility ratio in border are lower, and material is many and diverse for test, higher cost, and the measurement error between single test is larger, pass through
People's manual test there is a possibility that may there is error.Base station portion can only be manually operated by traditional basic instrument and be completed, single
There are errors for measurement between secondary test, also without automated test tool.
Summary of the invention
In order to solve, test environment knot numerous for the tested entries of terminal radio frequency consistency test existing for background technique
Structure is complicated, the adaptability of environment and flexibility ratio are lower, and manually measurement error is big and the problems such as human cost is high, the present invention
A kind of 1800M RF consistency automatic test device and method are provided, described device and method are by that can be adapted to each survey
The comprehensive test instrument of peripheral hardware, frequency spectrograph etc. are carried out connection according to tested entries by strip purpose test device, complete to measured terminal
It is tested at the RF consistency of all kinds of entries, described device has high integration and high automatization level, and a kind of 1800M is penetrated
Frequency consistency automatic test device includes:
Test box；The test box includes digital control circuit and switch unit；
The digital control circuit is used to carry out signal processing, the number to the signal for inputting the digital control circuit
Control circuit is made of multiple modular circuit modules, and the multiple circuit module includes power distribution coupling module and filter
Wave attenuation module；Connection is carried out according to preset rules between the circuit module；
The power distribution coupling module includes power amplifier and circulator；The power distribution coupling module is used for
The power of the signal of input Power Distribution coupling module is adjusted and/or is distributed by preset ratio；
The algorithm module includes programmable trapper, filter and programmable attenuator, the algorithm
Module is for being filtered and/or being decayed by preset rules to the signal of input filter attenuation module；
The switch unit includes multiple signal paths, and each of the multiple signal path is used for according to preset rules
The module or other signal paths of external equipment and digital control circuit are attached by RF cable；The switch unit
For controlling the on-off of each signal path；
Further, described device further includes extension box, and the extension box includes extension control circuit and expanding element；
The extension box is used to complete extension test according to the extension signal that test box unit issues；
The extension control circuit is used to handle the signal of the extension control circuit of input, the extension control
Circuit processed is made of multiple modular circuit modules, and the multiple circuit module includes power distribution coupling module and filtering
Attenuation module；Connection is carried out according to preset rules between the circuit module；
The power distribution coupling module includes power amplifier and circulator；The power distribution coupling module is used for
The power of the signal of input Power Distribution coupling module is adjusted and/or is distributed by preset ratio；
The algorithm module includes programmable trapper, filter and programmable attenuator, the algorithm
Module is for being filtered and/or being decayed by preset rules to the signal of input filter attenuation module；
The expanding element includes N number of by expansion interface and M secondary expansion interfaces；It is described N number of to be used by expansion interface
It is connected in the signal path with test box, receives the extension signal of test box；Each of the M secondary expansion interfaces are used
According to extension signal by external expansion equipment with extend control circuit or other interfaces and be attached by RF cable；
Further, the signal path of the switch unit include comprehensive test instrument interface, signal source interface, frequency spectrograph interface with
And terminal test interface；The comprehensive test instrument interface receives for connecting comprehensive test instrument or output comprehensive test instrument tests signal；The signal
Source interface is used for connecting signal source, for receiving signal source signal；The signal source signal include wideband interference source signal and
Single tone jamming source signal；The frequency spectrograph interface is measured for exporting measuring signal for frequency spectrograph for connecting frequency spectrograph；It is described
Terminal test interface is for connecting terminal to be measured；
Further, the signal path of the switch unit of the test box includes that N number of expansion interface and the control of 1 tunnel connect
Mouthful；The expanding element of the extension box includes 1 tunnel by control interface；
N number of expansion interface of the test box is connected with the N number of of the extension box by expansion interface, and test box believes extension
Number extension box is sent to by expansion interface and by expansion interface；The control interface of the test box and being controlled for extension box
Interface is connected, and test box sends control signals to extension box by control interface and by control interface；
Further, described device includes test controller, and the switch unit of the test box includes machine control interface, described
The expanding element of extension box includes striking machine control interface, and the test controller is connected by the machine control interface with test box,
It is connected by the striking machine control interface with extension box；The test controller be used for according to testing requirement configure test case with
And test parameter, and the equipment external with the test box, extension box and test box and extension box is communicated；The control
Signal is used for the connection type controlled include between each module of digital control circuit and each signal path of switch unit, and extension
Connection type between each module of control circuit and each interface of expanding element；
Further, described device includes cabinet；
The interior of equipment cabinet includes keel shoe and the multiple supporting plates that can flexibly install, and the multiple supporting plate is for holding institute
It states test box, extension box, test controller and tests required external equipment；The side of the cabinet is openable side door,
The test box, extension box, test controller and the connection for testing required external equipment can be adjusted by opening side door；It is described
The other side of cabinet is provided with keyboard and display screen, and the keyboard and display screen connect with the test controller, be used for
Input control instruction and display test result；
Further, the side of the cabinet and/or it is provided with multiple groups air inlet grid；The side of cabinet and/or top
Multiple high-power blowers are provided with, for radiating to described device；The bottom of the cabinet is arranged there are four brake caster,
For facilitating the movement and fixation of cabinet；
Further, the cabinet surface is handled using electrostatic powder plastic-spraying；The bottom plate of the cabinet is equipped with earthing rod, and
It is connected with the ground terminal of external equipment needed for the test box, extension box, test controller and test；
Further, described device includes the network switch, and the test controller is by the network switch and surveys
The machine control interface for trying case is connected；The striking machine control interface phase that the test controller passes through the network switch and extension box
Even；The test controller is communicated by the network switch equipment external with test box and extension box；
Further, the digital control circuit further includes signal combiner unit, and the signal combiner unit is used for will be defeated
The multiple signals entered are merged into signal output all the way by preset rules.
A kind of 1800M RF consistency automated testing method includes:
Uniformity test demand is received, and corresponding test case is called according to the demand and configures test parameter；It is described
Uniformity test demand includes uplink and downlink conduction class, broadband interference class and single tone jamming class；
According to the test case to multiple circuit modules and signal path in terminal to be measured, test box and external
Equipment is attached；The external equipment includes one or more of comprehensive test instrument, signal source and frequency spectrograph；The multiple electricity
Road module includes power distribution coupling module and algorithm module；It is set between the circuit module according to test case
Connection；
The test signal that signal source is pressed preset rules input by the interference signal and comprehensive test instrument of preset rules input is received,
Output signal is obtained after the processing of multiple circuit modules, and the output signal is exported to terminal to be measured；
The processing signal that terminal to be measured returns is received, is exported after the processing of multiple circuit modules to frequency spectrograph and/or comprehensive survey
Test result confirmation is carried out in instrument；
Further, it is described according to the test case to the multiple circuit modules and signal in terminal to be measured, test box
Access and external equipment are attached further include:
According to the test case in the multiple circuit modules and signal path, extension box in terminal to be measured, test box
Multiple expanded circuit modules and expansion interface and external equipment be attached；
The extension box is used for the uniformity test demand for completing to further expand；The uniformity test demand further includes
Transmitting intermodulation, transmitter are spuious, spuious with external blocking, receiver intermodulation and receiver.
A kind of method calibrated to RF consistency automatic test device as described above includes:
RF consistency measuring device and standard signal source and standard frequency spectrum instrument are passed through into radio frequency line according to preset rules
Cable is attached, and forms test access；The preset rules include the RF cable connection method for each class testing；
Standard signal source is configured, the configuration includes the original frequency of setting standard signal source, measurement frequency step
Into value and measurement frequency range；
The 0dBm tone signal under original frequency is sent using standard signal source；
Obtaining the tone signal power after environmental attenuation under original frequency by standard frequency spectrum instrument is original frequency
Under measurement environmental attenuation value；
Measurement frequency is successively modified according to measurement frequency step value, and configuration standard signal source again, obtained in full frequency band
Measurement environmental attenuation value under different frequency；
The RF consistency measuring device is modified according to the measurement environmental attenuation value under the different frequency, it is complete
At calibration.
The invention has the benefit that technical solution of the present invention, gives a kind of 1800M RF consistency automation survey
Try device and method, described device and method pass through setting test box and extension box and the circuit mould of its respective internal module
Block realizes the testing requirement to a variety of tested entries, adaptability with higher；It is connected by switch module each external
Instrument, and control whether corresponding line is connected by control switch on-off, with the mode of connection needed for coping with a variety of tested entries,
Automatization level with higher；By designing cabinet, each unit and external device are integrated, and entirety is carried out according to controller
Testing and control；Described device and method are versatile, can participate in plurality of application scenes；It is built without personnel on site, integrated level
High, high reliablity, while also saving a large amount of human cost.
Detailed description of the invention
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by:
Fig. 1 is a kind of structure chart of 1800M RF consistency automatic test device of the specific embodiment of the invention；
Fig. 2 is the schematic diagram of the RF consistency automatic test cabinet of the specific embodiment of the invention；
Fig. 3 is a kind of flow chart of 1800M RF consistency automated testing method of the specific embodiment of the invention；
Fig. 4 is the method that a kind of pair of RF consistency automatic test device of the specific embodiment of the invention is calibrated
Flow chart.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is a kind of structure chart of 1800M RF consistency automatic test device of the specific embodiment of the invention；Institute
Device is stated to carry out by the way that comprehensive test instrument of the test device by peripheral hardware, frequency spectrograph of each tested entries etc. can be adapted to according to tested entries
Connection, the RF consistency for completing all kinds of entries to measured terminal are tested, a kind of 1800M RF consistency automation
Test device includes:
Test box；The test box includes digital control circuit and switch unit；
The digital control circuit is used to carry out signal processing, the number to the signal for inputting the digital control circuit
Control circuit is made of multiple modular circuit modules, and the multiple circuit module includes power distribution coupling module and filter
Wave attenuation module；Connection is carried out according to preset rules between the circuit module；
The power distribution coupling module includes power amplifier and circulator；The power distribution coupling module is used for
The power of the signal of input Power Distribution coupling module is adjusted and/or is distributed by preset ratio；
The algorithm module includes programmable trapper, filter and programmable attenuator, the algorithm
Module is for being filtered and/or being decayed by preset rules to the signal of input filter attenuation module；
Further, the digital control circuit further includes signal combiner unit, and the signal combiner unit is used for will be defeated
The multiple signals entered are merged into signal output all the way by preset rules；
The switch unit includes multiple signal paths, and each of the multiple signal path is used for according to preset rules
The module or other signal paths of external equipment and digital control circuit are attached by RF cable；The switch unit
For controlling the on-off of each signal path；
Further, the signal path of the switch unit include comprehensive test instrument interface, signal source interface, frequency spectrograph interface with
And terminal test interface；The comprehensive test instrument interface receives for connecting comprehensive test instrument or output comprehensive test instrument tests signal；The signal
Source interface is used for connecting signal source, for receiving signal source signal；The signal source signal include wideband interference source signal and
Single tone jamming source signal；The frequency spectrograph interface is measured for exporting measuring signal for frequency spectrograph for connecting frequency spectrograph；It is described
Terminal test interface is for connecting terminal to be measured；
Further, the switch unit further includes USB interface and power interface；
The interface of each type of the signal path all can be one or more；
By taking the present embodiment as an example, the multiple signal path is by the module of external equipment and digital control circuit or other letters
Number access is attached by RF cable so that the relevant access for needing to connect under fc-specific test FC carry out it is connected；Institute
State on-off of the switch unit for the corresponding connection relationship control individual channel of demand according to test；I.e. without carrying out every time
It is attached when new test by equipment, module or other signals that manual type connects needs, only passes through switch unit
The on-off of corresponding access；It is made of in the digital control circuit multiple modular circuit modules, it is single by switch
Signal conduction mode between member control modules realizes that the circuit in a variety of situations is constituted；
Further, for each interface of switch unit, by taking comprehensive test instrument interface as an example: the comprehensive test instrument interface is external
One end is for connecting comprehensive test instrument, and internal one end is according to it that possible connection type under various specific test cases connects it
His interface, i.e. internal one end of comprehensive test instrument interface connect simultaneously terminal interface to inner end, power distribution coupling module it is internal
End etc.；When testing requirement is the spuious test of transmitter to be carried out, the internal of comprehensive test instrument interface is connected in the switch unit selection
The connection to inner end of one end and terminal interface connects comprehensive test instrument directly with terminal to be measured；
Further, described device further includes extension box, and the extension box includes extension control circuit and expanding element；
The extension box is used to complete extension test according to the extension signal that test box unit issues；
The extension control circuit is used to handle the signal of the extension control circuit of input, the extension control
Circuit processed is made of multiple modular circuit modules, and the multiple circuit module includes power distribution coupling module and filtering
Attenuation module；Connection is carried out according to preset rules between the circuit module；
The power distribution coupling module includes power amplifier and circulator；The power distribution coupling module is used for
The power of the signal of input Power Distribution coupling module is adjusted and/or is distributed by preset ratio；
The algorithm module includes programmable trapper, filter and programmable attenuator, the algorithm
Module is for being filtered and/or being decayed by preset rules to the signal of input filter attenuation module；
The expanding element includes N number of by expansion interface and M secondary expansion interfaces；It is described N number of to be used by expansion interface
It is connected in the signal path with test box, receives the extension signal of test box；Each of the M secondary expansion interfaces are used
According to extension signal by external expansion equipment with extend control circuit or other interfaces and be attached by RF cable；
Further, the signal path of the switch unit of the test box includes that N number of expansion interface and the control of 1 tunnel connect
Mouthful；The expanding element of the extension box includes 1 tunnel by control interface；
N number of expansion interface of the test box is connected with the N number of of the extension box by expansion interface, and test box believes extension
Number extension box is sent to by expansion interface and by expansion interface；The on-off of its each extension access is controlled by switch unit；
In the present embodiment, N can take 4；
The control interface of the test box is connected with extension box by control interface, test box by control interface and by
Control interface sends control signals to extension box；In the present embodiment, the control interface and can be RS232 by control interface
Interface, the RS232 interface of test box are connect with the RS232 interface of the extension box by Serial Port Line, complete test box to extension
The switch control of case；I.e. the switch unit of test box controls the expanding element by the RS232 interface；
Further, the secondary expansion interface can external different frequency range different characteristics filter and amplifier module,
Complete the terminal device to different frequency range, different systems, the extension of uniformity test function；
Further, described device includes test controller, and the switch unit of the test box includes machine control interface, described
The expanding element of extension box includes striking machine control interface, and the test controller is connected by the machine control interface with test box,
It is connected by the striking machine control interface with extension box；
The test controller is used to configure test case and test parameter according to testing requirement, and with the test
Case, extension box and test box and the external equipment of extension box are communicated；The control signal includes number control for controlling
Connection type between each module of circuit processed and each signal path of switch unit, and each module of extension control circuit and extension
Connection type between each interface of unit；
The control connection type, i.e. test controller control each signal path by control switch unit
On-off so that control connection type；
The test controller is used to control each external equipment according to testing requirement and carries out parameter configuration, such as controls
Comprehensive test instrument carries out the configuration of cell relevant parameter, control signal source sends single tone jamming signal of specific frequency etc.；
Further, described device includes the network switch, and the test controller is by the network switch and surveys
The machine control interface for trying case is connected；The striking machine control interface phase that the test controller passes through the network switch and extension box
Even；The test controller is communicated by the network switch equipment external with test box and extension box；
By taking the present embodiment as an example, the machine control interface and striking machine control interface are RJ45 interface；
Further, described device includes cabinet；Fig. 2 is that the RF consistency of the specific embodiment of the invention automates survey
The schematic diagram of test-run a machine cabinet；It is as shown in Figure 2:
The interior of equipment cabinet includes keel shoe and the multiple supporting plates that can flexibly install, and the multiple supporting plate is for holding institute
It states test box, extension box, test controller and tests required external equipment；The side of the cabinet is openable side door,
The test box, extension box, test controller and the connection for testing required external equipment can be adjusted by opening side door；It is described
The other side of cabinet is provided with keyboard and display screen, and the keyboard and display screen connect with the test controller, be used for
Input control instruction and display test result；
The keyboard of the setting is band guide rail and the direct keyboard platform of guide rail, can extract keyboard out according to service condition or push back
Keyboard；
The display screen is fixed on the folding display bracket in side, when card of trying hard to keep is using test controller
Flexibility ratio；
The shell of the test box and extension box is set as mating with the keel shoe of interior of equipment cabinet and supporting plate, can be mating
Be fixed on interior of equipment cabinet；
Further, the side of the cabinet and/or it is provided with multiple groups air inlet grid；The side of cabinet and/or top
Multiple high-power blowers are provided with, for radiating to described device；
Further, cabling channel and lineation frame, back bottom point can be flexibly installed on rear side of the bracket of interior of equipment cabinet and supporting plate
Cloth crosses line plate, convenient to carry out regular to internal cabling and fix；
Further, there are four brake casters for the bottom setting of the cabinet, for facilitating the movement and fixation of cabinet；
Further, the cabinet surface is handled using electrostatic powder plastic-spraying；The bottom plate of the cabinet is equipped with earthing rod, and
It is connected with the ground terminal of external equipment needed for the test box, extension box, test controller and test；
Further, described device includes electric power source distribution device, and the voltage divider is used to external unit being introduced into dress
In setting, used for the test box, extension box and test controller.
Fig. 3 is a kind of flow chart of 1800M RF consistency automated testing method of the specific embodiment of the invention；Such as
Shown in Fig. 3, which comprises
Step 310, uniformity test demand is received, and corresponding test case is called according to the demand and configures test ginseng
Number；The uniformity test demand includes uplink and downlink conduction class, broadband interference class and single tone jamming class；
Step 320, according to the test case in terminal to be measured, test box multiple circuit modules and signal path,
And external equipment is attached；The external equipment includes one or more of comprehensive test instrument, signal source and frequency spectrograph；Institute
Stating multiple circuit modules includes power distribution coupling module and algorithm module；According to test case between the circuit module
It is set for connection；
Further, according to the test case in terminal to be measured, test box multiple circuit modules and signal path,
Multiple expanded circuit modules and expansion interface and external equipment in extension box are attached；
The extension box is used for the uniformity test demand for completing to further expand；The uniformity test demand further includes
Transmitting intermodulation, transmitter are spuious, spuious with external blocking, receiver intermodulation and receiver；
Step 330, signal source is received by the interference signal and comprehensive test instrument of preset rules input by preset rules input
Signal is tested, obtains output signal after the processing of multiple circuit modules, and the output signal is exported to terminal to be measured；
Step 340, the processing signal that terminal to be measured returns is received, is exported after the processing of multiple circuit modules to frequency spectrograph
And/or test result confirmation is carried out in comprehensive test instrument.
Fig. 4 is the method that a kind of pair of RF consistency automatic test device of the specific embodiment of the invention is calibrated
Flow chart, as shown in Figure 4, which comprises
Step 410, RF consistency measuring device and standard signal source and standard frequency spectrum instrument are led to according to preset rules
It crosses RF cable to be attached, forms test access；The preset rules include the RF cable connection side for each class testing
Method；
Step 420, standard signal source is configured, the configuration includes the original frequency of setting standard signal source, surveys
Measure frequency step value and measurement frequency range；
Step 430, the 0dBm tone signal under original frequency is sent using standard signal source；
Step 440, obtaining the tone signal power after environmental attenuation under original frequency by standard frequency spectrum instrument is
Measurement environmental attenuation value under original frequency；
Step 450, measurement frequency is successively modified according to measurement frequency step value, and configuration standard signal source again, obtained
Measurement environmental attenuation value in full frequency band under different frequency；
Step 460, according to the measurement environmental attenuation value under the different frequency to the RF consistency measuring device into
Row amendment, completes calibration.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the disclosure
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.The step of being related in this specification, which numbers, is only used for distinguishing each step, and the time being not limited between each step
Or the relationship of logic, restriction unless the context clearly, otherwise the relationship between each step includes the case where various possible.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments means to be in the disclosure
Within the scope of and form different embodiments.For example, embodiment claimed in detail in the claims is one of any
Can in any combination mode come using.
The various component embodiments of the disclosure can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.The disclosure is also implemented as executing side as described herein
The some or all equipment or system program (for example, computer program and computer program product) of method.It is such
It realizes that the program of the disclosure can store on a computer-readable medium, or can have the shape of one or more signal
Formula.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or with any other shape
Formula provides.
The disclosure is limited it should be noted that above-described embodiment illustrates rather than the disclosure, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.Word "comprising" is not arranged
Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more
A such element.The disclosure can be by means of including the hardware of several different elements and by means of properly programmed calculating
Machine is realized.If several in these systems can be by same in the unit claim for listing dry systems
Hardware branch embodies.
The above is only the specific embodiment of the disclosure, it is noted that for the ordinary skill people of this field
Member for, do not depart from the disclosure spirit under the premise of, can make several improvements, modify and deform, these improve, modification,
It is regarded as falling within the scope of protection of this application with deformation.
Claims (13)
1. a kind of 1800M RF consistency automatic test device, described device include: test box；The test box includes number
Word control circuit and switch unit；
The digital control circuit is used to carry out signal processing to the signal for inputting the digital control circuit, described digital control
Circuit is made of multiple modular circuit modules, and the multiple circuit module includes that power distribution coupling module and filtering decline
Subtract module；Connection is carried out according to preset rules between the circuit module；
The power distribution coupling module includes power amplifier and circulator；The power distribution coupling module is used for defeated
The power for entering the signal of power distribution coupling module is adjusted and/or is distributed by preset ratio；
The algorithm module includes programmable trapper, filter and programmable attenuator, the algorithm module
It is filtered and/or is decayed by preset rules for the signal to input filter attenuation module；
The switch unit includes multiple signal paths, and each of the multiple signal path is used for will be outer according to preset rules
The module or other signal paths of portion's equipment and digital control circuit are attached by RF cable；The switch unit is used for
Control the on-off of each signal path.
2. the apparatus according to claim 1, it is characterised in that: described device further includes extension box, and the extension box includes
Extend control circuit and expanding element；The extension box is used to complete extension according to the extension signal that test box unit issues to survey
Examination；
The extension control circuit is used to handle the signal of the extension control circuit of input, the extension control electricity
Multiple modular circuit module compositions are routed, the multiple circuit module includes power distribution coupling module and algorithm
Module；Connection is carried out according to preset rules between the circuit module；
The power distribution coupling module includes power amplifier and circulator；The power distribution coupling module is used for defeated
The power for entering the signal of power distribution coupling module is adjusted and/or is distributed by preset ratio；
The algorithm module includes programmable trapper, filter and programmable attenuator, the algorithm module
It is filtered and/or is decayed by preset rules for the signal to input filter attenuation module；
The expanding element includes N number of by expansion interface and M secondary expansion interfaces；It is described it is N number of by expansion interface be used for
The signal path of test box is connected, and receives the extension signal of test box；Each of the M secondary expansion interfaces are used for root
External expansion equipment is attached with extension control circuit or other interfaces by RF cable according to extension signal.
3. according to the method described in claim 1, it is characterized by: the signal path of the switch unit includes that comprehensive test instrument connects
Mouth, signal source interface, frequency spectrograph interface and terminal test interface；The comprehensive test instrument interface for connecting comprehensive test instrument, receive or
It exports comprehensive test instrument and tests signal；The signal source interface is used for connecting signal source, for receiving signal source signal；The signal source
Signal includes wideband interference source signal and single tone jamming source signal；The frequency spectrograph interface is for connecting frequency spectrograph, for defeated
Measuring signal is measured for frequency spectrograph out；The terminal test interface is for connecting terminal to be measured.
4. according to the method described in claim 2, it is characterized by: the signal path of the switch unit of the test box includes N
A expansion interface and 1 road control interface；The expanding element of the extension box includes 1 tunnel by control interface；
N number of expansion interface of the test box is connected with the N number of of the extension box by expansion interface, and test box leads to signal is extended
It crosses expansion interface and extension box is sent to by expansion interface；The control interface of the test box and extension box by control interface
It is connected, test box sends control signals to extension box by control interface and by control interface.
5. according to the method described in claim 2, it is characterized by: described device includes test controller, the test box
Switch unit includes machine control interface, and the expanding element of the extension box includes striking machine control interface, and the test controller passes through
The machine control interface is connected with test box, is connected by the striking machine control interface with extension box；The test controller is used for
Configure test case and test parameter according to testing requirement, and with the test box, extension box and test box and extension box
External equipment is communicated；The control signal includes that each module of digital control circuit and switch unit are respectively believed for controlling
Connection type between connection type between number access, and each module of extension control circuit and each interface of expanding element.
6. device according to claim 5, it is characterised in that: described device includes cabinet；
The interior of equipment cabinet includes keel shoe and the multiple supporting plates that can flexibly install, and the multiple supporting plate is for holding the survey
It tries case, extension box, test controller and tests required external equipment；The side of the cabinet is openable side door, can be led to
It crosses and opens the connection that side door adjusts the test box, extension box, test controller and the required external equipment of test；The cabinet
The other side be provided with keyboard and display screen, the keyboard and display screen are connect with the test controller, for inputting
Control instruction and display test result.
7. device according to claim 6, it is characterised in that: the side of the cabinet and/or be provided with multiple groups air inlet grill
Lattice；The side of cabinet and/or top are provided with multiple high-power blowers, for radiating to described device；The cabinet
Bottom setting there are four brake caster, for facilitating the movement and fixation of cabinet.
8. device according to claim 6, it is characterised in that: the cabinet surface is handled using electrostatic powder plastic-spraying；Institute
The bottom plate for stating cabinet is equipped with earthing rod, and with the test box, extension box, test controller and external equipment needed for testing
Ground terminal is connected.
9. device according to claim 5, it is characterised in that: described device includes the network switch, the testing and control
Device is connected by the network switch with the machine control interface of test box；The test controller by the network switch with
The striking machine control interface of extension box is connected；The test controller is external by the network switch and test box and extension box
Equipment communicated.
10. the apparatus according to claim 1, it is characterised in that: the digital control circuit further includes signal combiner unit,
The signal combiner unit is used to the multiple signals of input being merged into signal output all the way by preset rules.
11. a kind of 1800M RF consistency automated testing method, which comprises
Uniformity test demand is received, and corresponding test case is called according to the demand and configures test parameter；It is described consistent
Property testing requirement include uplink and downlink conduction class, broadband interference class and single tone jamming class；
According to the test case to the multiple circuit modules and signal path and external equipment in terminal to be measured, test box
It is attached；The external equipment includes one or more of comprehensive test instrument, signal source and frequency spectrograph；The multiple circuit mould
Block includes power distribution coupling module and algorithm module；Route is set for according to test case between the circuit module
Connection；
The test signal that signal source is pressed preset rules input by the interference signal and comprehensive test instrument of preset rules input is received, through more
Output signal is obtained after a circuit module processing, and the output signal is exported to terminal to be measured；
The processing signal that terminal to be measured returns is received, output is into frequency spectrograph and/or comprehensive test instrument after the processing of multiple circuit modules
Carry out test result confirmation.
12. according to the method for claim 11, which is characterized in that it is described according to the test case to terminal to be measured, survey
Multiple circuit modules and signal path and external equipment in examination case are attached further include:
According to the test case to more in the multiple circuit modules and signal path, extension box in terminal to be measured, test box
A expanded circuit module and expansion interface and external equipment are attached；
The extension box is used for the uniformity test demand for completing to further expand；The uniformity test demand further includes transmitting
Intermodulation, transmitter are spuious, spuious with external blocking, receiver intermodulation and receiver.
13. a kind of method calibrated to device as described in claim 1, which comprises
According to preset rules by RF consistency measuring device and standard signal source and standard frequency spectrum instrument by RF cable into
Row connection, forms test access；The preset rules include the RF cable connection method for each class testing；
Standard signal source is configured, the configuration includes original frequency, the measurement frequency step value of setting standard signal source
And measurement frequency range；
The 0dBm tone signal under original frequency is sent using standard signal source；
Obtaining the tone signal power after environmental attenuation under original frequency by standard frequency spectrum instrument is under original frequency
Measure environmental attenuation value；
Measurement frequency is successively modified according to measurement frequency step value, and configuration standard signal source again, obtained different in full frequency band
Measurement environmental attenuation value under frequency；
The RF consistency measuring device is modified according to the measurement environmental attenuation value under the different frequency, completes school
It is quasi-.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810540237.7A CN108964791A (en) | 2018-05-30 | 2018-05-30 | A kind of 1800M RF consistency automatic test device and method |
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| CN201810540237.7A CN108964791A (en) | 2018-05-30 | 2018-05-30 | A kind of 1800M RF consistency automatic test device and method |
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