CN108900261A - A kind of 1800M RF consistency reception intermodulation testing method and device - Google Patents
A kind of 1800M RF consistency reception intermodulation testing method and device Download PDFInfo
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- CN108900261A CN108900261A CN201810540226.9A CN201810540226A CN108900261A CN 108900261 A CN108900261 A CN 108900261A CN 201810540226 A CN201810540226 A CN 201810540226A CN 108900261 A CN108900261 A CN 108900261A
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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 a kind of 1800M RF consistencies to receive intermodulation testing method and device, the method includes：Terminal to be measured is attached with RF consistency measuring device and external equipment by RF cable according to preset rules, forms test access；The cell parameter of comprehensive test instrument is configured by preset rules；Uplink is tested into useful signal, single tone jamming signal and wideband interferer signal and forms reception inter-modulated signal after signal couples, and is sent to terminal to be measured；Demodulation packet loss statistics is carried out to inter-modulated signal is received according to test configurations according to terminal to be measured, and demodulated output signal and packet loss statistics are back to comprehensive test instrument；Successively modification uplink tests frequency point to be measured and bandwidth to be measured, obtains different frequent points and test result and terminal device sensitivity under different bandwidth；The method and device realize the automation for receiving intermodulation testing by the test device of setting high integration, improve the accuracy and reliability of the reception intermodulation testing of terminal progress.
Description
Technical field
The present invention relates to fields of communication technology, receive intermodulation testing side more particularly, to a kind of 1800M RF consistency
Method and device.
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 power bracket of base station also gradually expands.The
The antenna for base station number of five generation mobile communcations systems (Fifth Generation, 5G) is even more to have the increasing of decades of times than earlier generations
Add.
LTE1800M private network frequency range is different and public network, traditional communication equipment test environment cannot be compatible with, in particular for
The reception intermodulation testing of RF consistency need to be in wider array of multiple frequency points of range and multiple when carrying out reception intermodulation testing
It is taken multiple measurements under the test environment of bandwidth, when carrying out building test using traditional sorting device, needs to carry out multiple device
Part connection and setting, building test, structure is complicated；Make that the measurement error between each single measurement is larger, people by people's manual test
Power higher cost；This makes in the manual testing that traditional sorting device is built when carrying out reception intermodulation testing, is unable to satisfy
Accuracy and reliability.
Summary of the invention
In order to solve existing for background technique to be received in the widened situation of frequency range coverage area using conventional method
When intermodulation testing, excessive pendulous frequency makes the problems such as measurement error is larger, human cost is higher, and the present invention provides one kind
1800M RF consistency receives intermodulation testing method and device, the method and device and passes through the test of the high integration of setting
Device realizes the automation for receiving intermodulation testing；A kind of 1800M RF consistency receives intermodulation testing method：
According to preset rules by terminal to be measured and RF consistency measuring device and external equipment by RF cable into
Row connection, forms test access；The external equipment includes comprehensive test instrument, the first signal source and second signal source；
The cell relevant parameter of comprehensive test instrument is configured by preset rules, and be arranged initial frequency point to be measured and initially to
Measuring tape is wide；Measured terminal receives the test configurations that the comprehensive test instrument issues；
The single tone jamming signal and the second letter of uplink test useful signal, the transmission of the first signal source that comprehensive test instrument is sent
The wideband interferer signal that number source is sent forms reception inter-modulated signal after signal couples, and is sent to terminal to be measured；
Demodulation packet loss statistics is carried out to inter-modulated signal is received according to test configurations according to terminal to be measured, and demodulation is exported
Signal and packet loss statistics are back to comprehensive test instrument；
The level for the uplink test useful signal that comprehensive test instrument modification is sent, forms new reception inter-modulated signal, and receive to
The data that terminal returns are surveyed, the terminal device sensitivity under the frequency point and broadband is exported；
Frequency point to be measured and bandwidth to be measured are successively modified, different frequent points and test result and terminal under different bandwidth are obtained
Device sensitivity；
Further, the single tone jamming signal that first signal source is sent is sent after being filtered with the comprehensive test instrument
Uplink test useful signal carry out signal combining, the broadband interference that signal after combining is sent with the second signal source again is believed
Number through signal coupling and signal combining after, formed receive inter-modulated signal；
Further, the signal of the terminal demodulation output to be measured is sent to comprehensive test instrument after being filtered；
Further, the RF consistency measuring device includes test box and extension box；The first signal source hair
After the algorithm module of the expanded case of single tone jamming signal sent is filtered, sent in test box with comprehensive test instrument
Uplink test useful signal is combined；The wideband interferer signal re-test that signal and second signal source after the combining are sent
The coupling of signal is completed through signal coupling unit in case and signal is combined, and output receives inter-modulated signal, and case is sent to after tested
Terminal to be measured；The extension box is attached according to preset rules by RF cable with the test box；
Further, using test controller and the comprehensive test instrument, the first signal source, second signal source and the radio frequency
Coherence measurement device is communicatively coupled；The test controller controls the comprehensive test instrument and carries out matching for cell relevant parameter
It sets, and initial frequency point to be measured and initial bandwidth to be measured is set；It is dry that the first signal source output single-tone is arranged in the test controller
Disturb the parameter of signal；Test controller setting second signal source exports the parameter of wideband interferer signal；The testing and control
Device reads the received test result of comprehensive test instrument；The test controller adjusts the numerical value of frequency point to be measured and bandwidth to be measured；
A kind of 1800M RF consistency receives intermodulation testing device：Test box；
The test box includes digital control circuit and switch unit；
The digital control circuit is made of multiple modular circuit modules, and the multiple circuit module includes signal coupling
It molds block and signal is combined module, the signal coupling module is used to carry out signal coupling processing to the signal of input；It is described
Signal is combined module and is used to carry out signal combining to the multiple groups signal of input, exports one group of signal；Between the circuit module according to
Preset rules carry out connection；
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；The external equipment includes comprehensive test instrument and signal source；
Further, described device further includes extension box；
The extension box includes extension control circuit and expanding element；
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 filter module；The filter module is used
It is filtered in the signal of input；Connection is carried out according to preset rules between the circuit 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 N number of 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 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；
The test controller is used to control the configuration that the comprehensive test instrument carries out cell relevant parameter, and is arranged initial to be measured
Frequency point and initial bandwidth to be measured；The test controller is for setting signal source output single tone jamming signal and broadband interference
The parameter of signal；The test controller is for reading the received test result of the comprehensive test instrument；The test controller is used for
Adjust the numerical value of frequency point to be measured and bandwidth to be measured.
Beneficial effects of the present invention are：Technical solution of the present invention gives a kind of 1800M RF consistency reception intermodulation
Test method and device, the method and device avoid discrete device overlap joint consumption by the test device of setting high integration
The manpower taken and working hour；Device and external test equipment are uniformly controlled by using test controller, configuration parameter, it is real
Showing gradually being measured in widened frequency range coverage area for automation, this not only greatly improves efficiency, while
Frequent operation bring error is avoided, and then improves the accuracy and reliability for the reception intermodulation testing that terminal carries out.
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 that a kind of 1800M RF consistency of the specific embodiment of the invention receives the flow chart of intermodulation testing method；
Fig. 2 is that a kind of 1800M RF consistency of the specific embodiment of the invention receives the structure chart of intermodulation testing device.
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 that a kind of 1800M RF consistency of the specific embodiment of the invention receives the flow chart of intermodulation testing method；
As shown in Figure 1, a kind of 1800M RF consistency reception intermodulation testing method includes：
Step 110, terminal to be measured is passed through according to preset rules with RF consistency measuring device and external equipment and is penetrated
Frequency cable is attached, and forms test access；The external equipment includes comprehensive test instrument, the first signal source and second signal source；
Described includes connection manually and automation connection in the way of preset rules connection；
The manual connection uses radio frequency i.e. according to the connection type prompted on RF consistency measuring device display interface
The interface of phase in requisition for connection is attached by cable, and is tested and whether passed through RF consistency measuring device exact p-value access
Connection is normal；
Automation connection be by the test controller control switch unit of the RF consistency measuring device with
And in expanding element each connection cables (such as signal path) on-off, make cable in measuring device that situation be connected according to default
Carry out receive intermodulation testing mode be connected, to complete the conducting of test access；
Step 120, the cell relevant parameter of comprehensive test instrument is configured by preset rules, and be arranged initial frequency point to be measured with
And initial bandwidth to be measured；Measured terminal receives the test configurations that the comprehensive test instrument issues；
Joined by the test controller of the RF consistency measuring device by cell correlation of the testing requirement to comprehensive test instrument
Number configured, and be arranged include initial frequency point, initial bandwidth, frequency point step value, bandwidth step value, frequency point test section and
Bandwidth test section；
The measured terminal accesses in the cell of the comprehensive test instrument setting, and receives signal according to test configurations；
Step 130, by comprehensive test instrument send uplink test useful signal, the first signal source send single tone jamming signal with
And the wideband interferer signal that second signal source is sent forms reception inter-modulated signal after signal couples, and is sent to terminal to be measured；
Further, the single tone jamming signal that first signal source is sent is sent after being filtered with the comprehensive test instrument
Uplink test useful signal carry out signal combining, the broadband interference that signal after combining is sent with the second signal source again is believed
Number through signal coupling and signal combining after, formed receive inter-modulated signal；
Further, the RF consistency measuring device includes test box and extension box；The first signal source hair
After the algorithm module of the expanded case of single tone jamming signal sent is filtered, sent in test box with comprehensive test instrument
Uplink test useful signal is combined；The wideband interferer signal re-test that signal and second signal source after the combining are sent
The coupling of signal is completed through signal coupling unit in case and signal is combined, and output receives inter-modulated signal, and case is sent to after tested
Terminal to be measured；The extension box is attached according to preset rules by RF cable with the test box；
Step 140, demodulation packet loss statistics is carried out to inter-modulated signal is received according to test configurations according to terminal to be measured, and will
Demodulated output signal and packet loss statistics are back to comprehensive test instrument；
Further, the signal of the terminal demodulation output to be measured is sent to comprehensive test instrument after being filtered；
The demodulated output signal and packet loss statistics are under the useful signal level, initial frequency point and initial bandwidth
Test result, i.e. sensitivity；
Step 150, the level for the uplink test useful signal that comprehensive test instrument modification is sent, forms new reception inter-modulated signal,
And the data that terminal to be measured returns are received, export the terminal device sensitivity under the frequency point and broadband；
The terminal device sensitivity is obtained by the demodulated output signal and packet loss statistics；
Step 160, frequency point to be measured and bandwidth to be measured are successively modified, the test result under different frequent points and different bandwidth is obtained
And terminal device sensitivity；
The Long-term change trend of the equipment measurement sensitivity can be carried out from three frequency point, bandwidth and useful signal level dimensions
It is analyzed to identify, can also be confirmed by the comprehensive change of multiple dimensions；
Further, using test controller and the comprehensive test instrument, the first signal source, second signal source and the radio frequency
Coherence measurement device is communicatively coupled；The test controller controls the comprehensive test instrument and carries out matching for cell relevant parameter
It sets, and initial frequency point to be measured and initial bandwidth to be measured is set；It is dry that the first signal source output single-tone is arranged in the test controller
Disturb the parameter of signal；Test controller setting second signal source exports the parameter of wideband interferer signal；The testing and control
Device reads the received test result of comprehensive test instrument；The test controller adjusts the numerical value of frequency point to be measured and bandwidth to be measured.
Fig. 2 is that a kind of 1800M RF consistency of the specific embodiment of the invention receives the structure chart of intermodulation testing device,
As shown in Fig. 2, described device includes：
Test box 210；
The test box 210 includes digital control circuit 211 and switch unit 212；
The digital control circuit 211 is made of multiple modular circuit modules, and the multiple circuit module includes letter
Number coupling module 2111 and signal are combined module 2112, and the signal coupling module 2111 is for carrying out letter to the signal of input
Number coupling processing；The signal combining module 2112 is used to carry out signal combining to the multiple groups signal of input, exports one group of signal；
Connection is carried out according to preset rules between the circuit module；
The switch unit 212 includes multiple signal paths, and each of the multiple signal path is used for according to default
External equipment is attached with the module of digital control circuit 211 or other signal paths by RF cable by rule；It is described
Switch unit 212 is used to control the on-off of each signal path；The external equipment includes comprehensive test instrument and signal source；
Further, described device further includes extension box 220；
The extension box 220 includes extension control circuit 221 and expanding element 222；
The extension control circuit 221 is used to handle the signal of the extension control circuit 221 of input, described
Extension control circuit 221 is made of multiple modular circuit modules, and the multiple circuit module includes filter module；The filter
Wave module is for being filtered the signal of input；Connection is carried out according to preset rules between the circuit module；
The expanding element 222 includes N number of by expansion interface and M secondary expansion interfaces；It is described N number of by expansion interface
For being connected with the signal path of test box 210, the extension signal of test box 210 is received；In the M secondary expansion interfaces
Each be used for according to extension signal by external expansion equipment and extension control circuit 221 or other interfaces by RF cable into
Row connection.
Further, the signal path of the switch unit 212 of the test box 210 includes N number of expansion interface and the control of 1 tunnel
Interface processed；The expanding element 222 of the extension box 220 includes 1 tunnel by control interface；
N number of expansion interface of the test box 210 is connected with the N number of of extension box 220 by expansion interface, test box
210 are sent to extension box 220 by extension signal by expansion interface and by expansion interface；The control of the test box 210 connects
Mouth is connected with extension box 220 by control interface, and test box 210 will control signal hair by control interface and by control interface
It send to extension box 220；
Further, described device includes test controller, and the switch unit 212 of the test box 210 includes that machine control connects
Mouthful, the expanding element 222 of the extension box 220 includes striking machine control interface, and the test controller passes through the machine control interface
It is connected with test box 210, is connected by the striking machine control interface with extension box 220；The test controller is used for according to survey
Examination demand configures test case and test parameter, and with the test box 210, extension box 220 and test box 210 and extension
The external equipment of case 220 is communicated；The control signal includes each module of digital control circuit 211 and switch for controlling
Connection type between each signal path of unit 212, and the extension each module of control circuit 221 and each interface of expanding element 222
Between connection type；
Further, the test controller is used to control the comprehensive test instrument and carries out the configuration of cell relevant parameter, and sets
Set initial frequency point to be measured and initial bandwidth to be measured；The test controller for setting signal source output single tone jamming signal with
And the parameter of wideband interferer signal；The test controller is for reading the received test result of the comprehensive test instrument；The test
Controller is used to adjust the numerical value of frequency point to be measured and bandwidth to be measured.
The comprehensive test instrument and the signal source all can be one or more；When comprehensive test instrument is one, the comprehensive test instrument
The configuration of cell relevant parameter is undertaken, uplink useful signal is sent, receives the tasks such as measurement result；It, can when comprehensive test instrument is multiple
Above-mentioned task is allocated, task is individually performed in each comprehensive test instrument；When the signal source is one, single-tone all the way need to be provided simultaneously
Interference signal and all the way wideband interferer signal；If the signal source is multiple, each signal source can only provide signal all the way.
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 (10)
1. a kind of 1800M RF consistency receives intermodulation testing method, the method includes：
Terminal to be measured is connected with RF consistency measuring device and external equipment by RF cable according to preset rules
It connects, forms test access；The external equipment includes comprehensive test instrument, the first signal source and second signal source；
The cell relevant parameter of comprehensive test instrument is configured by preset rules, and initial frequency point to be measured is set and initially to measuring tape
It is wide；Measured terminal receives the test configurations that the comprehensive test instrument issues；
The single tone jamming signal of uplink test useful signal, the transmission of the first signal source that comprehensive test instrument is sent and second signal source
The wideband interferer signal of transmission is formed after signal couples receives inter-modulated signal, and is sent to terminal to be measured；
Demodulation packet loss statistics is carried out to inter-modulated signal is received according to test configurations according to terminal to be measured, and by demodulated output signal
And the packet loss statistics is back to comprehensive test instrument；
The level for the uplink test useful signal that comprehensive test instrument modification is sent, forms new reception inter-modulated signal, and receive end to be measured
The data returned are held, the terminal device sensitivity under the frequency point and broadband is exported；
Frequency point to be measured and bandwidth to be measured are successively modified, different frequent points and test result and terminal device under different bandwidth are obtained
Sensitivity.
2. according to the method described in claim 1, it is characterized in that：The single tone jamming signal that first signal source is sent is through filtering
The uplink test useful signal sent after wave processing with the comprehensive test instrument carries out signal combining, and signal after combining is again with described the
The wideband interferer signal that binary signal source is sent forms after signal couples and signal is combined and receives inter-modulated signal.
3. according to the method described in claim 1, it is characterized in that：The signal of the terminal demodulation output to be measured is through being filtered
After be sent to comprehensive test instrument.
4. according to the method described in claim 2, it is characterized in that：The RF consistency measuring device include test box and
Extension box；After the algorithm module for the expanded case of single tone jamming signal that first signal source is sent is filtered,
The uplink test useful signal sent in test box with comprehensive test instrument is combined；Signal and second signal source after the combining
The coupling of signal is completed through signal coupling unit in the wideband interferer signal re-test case of transmission and signal is combined, and output receives
Inter-modulated signal, case is sent to terminal to be measured after tested；The extension box passes through radio frequency line according to preset rules with the test box
Cable is attached.
5. according to the method described in claim 1, it is characterized in that：Use test controller and the comprehensive test instrument, the first signal
Source, second signal source and the RF consistency measuring device are communicatively coupled；The test controller control is described comprehensive
The configuration that instrument carries out cell relevant parameter is surveyed, and initial frequency point to be measured and initial bandwidth to be measured are set；The test controller
The parameter of first signal source output single tone jamming signal is set；Test controller setting second signal source exports broadband interference
The parameter of signal；The test controller reads the received test result of comprehensive test instrument；The test controller adjustment is to be measured
The numerical value of frequency point and bandwidth to be measured.
6. a kind of 1800M RF consistency receives intermodulation testing device, described device includes：Test box；
The test box includes digital control circuit and switch unit；
The digital control circuit is made of multiple modular circuit modules, and the multiple circuit module includes signal coupled mode
Block and signal are combined module, and the signal coupling module is used to carry out signal coupling processing to the signal of input；The signal
It is combined module to be used to carry out signal combining to the multiple groups signal of input, exports one group of signal；According to default between the circuit module
Rule carries out connection；
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；The external equipment includes comprehensive test instrument and signal source.
7. device according to claim 6, it is characterised in that：Described device further includes extension box；
The extension box includes extension control circuit and expanding element；
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 filter module；The filter module for pair
The signal of input is filtered；Connection is carried out according to preset rules between the circuit 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.
8. device according to claim 7, it is characterised in that：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.
9. device according to claim 6, it is characterised in that：Described device includes test controller, and the test box is opened
Closing unit includes machine control interface, and the expanding element of the extension box includes striking machine control interface, and the test controller passes through institute
It states machine control interface to be connected with test box, be connected by the striking machine control interface with extension box；The test controller is used for root
Configure test case and test parameter according to testing requirement, and with outside the test box, extension box and test box and extension box
The equipment connect is communicated；The control signal includes each module of digital control circuit and each signal of switch unit for controlling
Connection type between connection type between access, and each module of extension control circuit and each interface of expanding element.
10. device according to claim 9, it is characterised in that：The test controller for control the comprehensive test instrument into
The configuration of row cell relevant parameter, and initial frequency point to be measured and initial bandwidth to be measured are set；The test controller is for setting
Set the parameter of signal source output single tone jamming signal and wideband interferer signal；The test controller is for reading the comprehensive survey
The received test result of instrument；The test controller is used to adjust the numerical value of frequency point to be measured and bandwidth to be measured.
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| CN201810540226.9A CN108900261A (en) | 2018-05-30 | 2018-05-30 | A kind of 1800M RF consistency reception intermodulation testing method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112437418A (en) * | 2020-07-17 | 2021-03-02 | 珠海市杰理科技股份有限公司 | TWS device communication data configuration method, device, equipment, chip and medium |
| CN114765472A (en) * | 2021-01-11 | 2022-07-19 | 中国移动通信有限公司研究院 | Test system, test method and test control device |
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