CN104618034B - A kind of mobile terminal radio frequency consistency Auto-Test System - Google Patents
A kind of mobile terminal radio frequency consistency Auto-Test System Download PDFInfo
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- CN104618034B CN104618034B CN201410461875.1A CN201410461875A CN104618034B CN 104618034 B CN104618034 B CN 104618034B CN 201410461875 A CN201410461875 A CN 201410461875A CN 104618034 B CN104618034 B CN 104618034B
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Abstract
The invention discloses a kind of mobile terminal radio frequency consistency Auto-Test Systems, device and method.Test macro includes industrial personal computer；Base station simulator；Vector signal source；Analog signal generator；Spectrum analyzer；Radio frequency case；Measured terminal.After industrial personal computer operation, industrial personal computer is operated by instrument such as remote control commands control base station simulator, vector signal generator, analog signal generator, spectrum analyzer and switch units, need to gate corresponding test link according to different cycle tests, to realize automatic test.Above-mentioned automatic test approach can monitor and inquire situations such as progress of test in real time, after the completion of required some cycle tests test, the dependence test result data tested by base station simulator and spectrum analyzer feeds back to industrial personal computer automatic testing software program by GPIB mouthfuls, whether program is saved and is analyzed to resulting data, and qualified according to testing standard judging result.
Description
Technical field
The present invention relates to mobile terminal radio frequency consistency Auto-Test Systems, device and method, especially WCDMA, HSDPA
Or HSUPA mobile terminal radio frequency consistency Auto-Test System, device and method.
Background technique
In recent years, 3-G (Generation Three mobile communication system) based on WCDMA technology is in Europe, North America, Japan, China etc. national
Rapid development and extensively commercialization are arrived.In order to guarantee safety and the numerous mobile subscribers of maintenance of 3-G (Generation Three mobile communication system)
Vital interests, each state has all carried out enforceable control and comprehensive model to WCDMA/HSDPA/HSUPA terminal device and has authenticated
System, the Valuation Standard approved by third-party testing mechanism according to the decree regulation of various countries and network operator is to each manufacture
The WCDMA/HSDPA/HSUPA terminal device of manufacturer's production carries out consistency certification.Uniformity test is the characteristic for verifying product
With the matching degree of code requirement, the whether test of which kind of rank, WCDMA/HSDPA/HSUPA terminal consistency test it is interior
Hold all includes radio frequency (RF) uniformity test, testing protocol consistency, card interface (USIM) uniformity test, wireless resource management
(RRM) uniformity test, audio uniformity test etc., wherein the RF consistency test of terminal is entire Mobile Communication Industry chain
Developing important link, and the basis of research intersystem electromagnetic compatibilit (EMC) and interoperability testing (IOT).
Existing WCDMA/HSDPA/HSUPA mobile terminal radio frequency consistency testing system has Luo De and applies currently on the market
The TS 8950-W system of Watts company and the test macro of Amway Company almost cover all of 3GPP test specification requirement
Radio frequency testing example, whole system include the software systems specifying instrument and mutually binding therewith, and prices are rather stiff, and the country is simultaneously
There is no Related product, set of test macro is even more to be substantially at space state.And CE certification is to WCDMA/HSDPA/HSUPA
Mobile terminal radio frequency test is 301 908-2 of establishing criteria ETSI EN, and corresponding test item only has more than ten, FCC certification
Only several.Therefore, research and develop it is a kind of have certain versatility, greatly save testing cost, effectively improve test effect
The test macro of rate is very necessary.
Summary of the invention
In order to have certain versatility, testing cost is greatly saved, testing efficiency is effectively improved, the present invention mentions
A kind of mobile terminal radio frequency consistency Auto-Test System, device and method are supplied.
In order to achieve the above objectives, a kind of mobile terminal radio frequency consistency Auto-Test System includes:
The switch includes connecting pin and guide end；The wherein connecting pin of measured terminal connection switch K5 and switch K5 mono-
Switch K4, bis- guide end of the switch K5 connection combining power splitter of guide end connection；Signal of the combining power splitter switch K5
Divide two-way, flow to switch K4 all the way, another way flows to the connecting pin of switch K12；Switch K3 is connected with by the connecting pin of switch K4
Connecting pin, a guide end of switch K4 connect with combining power splitter；Two guide ends of switch K4 connect a guiding with switch K5
End connection；A guide end of switch K3 is connected with the first end of the first circulator, and two guide ends of switch K3 are connected with the second ring
The first end of row device；The second end of first circulator is connected with mono- guide end of switch K6, and the third end of the first circulator is connected with
A guide end of switch K2；The second end of second circulator is connect with two guide ends of switch K6, the third end of the second circulator
It is connect with bis- guide end of switch K2；Power splitter is connected on the connecting pin of switch K6；Power splitter from the signal of switch K6 being divided into
Two-way, the connection base station simulator all the way of power splitter, the connecting pin of the another way connection switch K8 of power splitter；The one of switch K8 leads
A guide end of switch K7 is connected with to end；The connecting pin switch K7 is connect with spectrum analyzer, the two guide ends connection of switch K7
Mono- guide end of switch K10；A guide end of the two guide end connection switch K9 of switch K10,10 connecting pin connection switch of switch
The connecting pin of K11；The connecting pin switch K9 is connect with analog signal generator, and two guide ends of switch K9 are connected with the first combining
Device；First combiner merges the signal of switch K9 with the signal YSG of vector signal generator flows to one leading for switch K1 all the way
Xiang Duan；A guide end of switch K11 passes through a guide end of filter connection switch K12；Bis- guide end of switch K11 and switch
Two guide ends of K12 connect；The connecting pin switch K1 is connected with the second combiner, and the second combiner, which exports base station simulator BS, to be believed
Number and switch K1 signal merge all the way flow direction switch K2 connecting pin.
Attenuator is equipped in the radio frequency case；Attenuator is equipped between switch K5 and combining power splitter；In switch K4 and
It is combined between power splitter and is equipped with attenuator；Attenuator is equipped between combining power splitter and switch K12；In power splitter and base station
Attenuator is equipped between simulator；Attenuator is equipped between power splitter and switch K8.
Industrial personal computer is used for control base station simulator, vector signal source, analog signal generator, spectrum analyzer and switching
Control unit, to complete automatic test；
Base station simulator, the connection of mode needed for being established by radio frequency case and measured terminal；Network parameter is set and controls quilt
It surveys terminal transmission and receives signal；
Vector signal source, for emitting adjustable signal, with analog signal generator cooperate, as interference signal be coupled to by
Terminal receiver is surveyed, the performance test of measured terminal receiver intermodulation is used for；Fading environment needed for energy mock standard, as decline
Channel simulator；
Analog signal generator is coupled to measured terminal receiver as interference signal for emitting continuous wave, is used for quilt
Survey terminal receiver performance test；The continuous wave signal of frequency needed for emitting, cooperation spectrum analyzer complete system link line loss
Calibration；
Spectrum analyzer, for measuring measured terminal scattering transmission power and the calibration of system link line loss；
Switch control unit, the on off operating mode for each item test link of control system；
Radio frequency case, according to standard requirements to base station simulator, vector signal source, analog signal generator, spectrum analyzer
Organic linking is carried out, cooperation radio frequency switch control unit realizes the automatic test of system；
Measured terminal；The radio frequency case is connect with measured terminal；
The radio frequency case includes switch K1-K12, combining power splitter, first annular device, the second circulator, power splitter, first
Combiner, the second combiner and filter.
A kind of mobile terminal radio frequency consistency automatic test approach includes the following steps:
(1) automatic cycle tests implementation is imported to start to test；
(2) base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit are detected
It is whether controlled；If it is, initialization base station simulator, vector signal source, analog signal generator, spectrum analyzer and
The parameter of switch control unit；If it is not, then adding corresponding instrument；
(3) instruction for opening measured terminal is issued；
(4) measured terminal is waited to connect by radio frequency case with base station simulator；
(5) measured terminal establishes calling connection by channel and base station simulator；
(6) it reads automatic cycle tests and enters test item；
(7) it tests whether to finish and whether has test result, if there is test result, then enter step (8), do not have such as
There is test result, then control base station simulator, vector signal source, analog signal generator, spectrum analyzer and switching control list
Member waits in limited time and returns to step (6)；
(8) read test result；
(9) judge whether test result meets the requirements of the standard；Such as meet, then judgement passes through, and does not meet such as, then judges to lose
It loses；
(10) judge whether read cycle tests has been completed, if so, then entering step (11)；If not, returning
Return to step (6)；
(11) test terminates.
A kind of mobile terminal radio frequency consistency automatic testing equipment includes:
The gatherer for starting to test is carried out for importing automatic cycle tests；
For detecting base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit
Whether controlled detection device；
For issuing the instruction sending device for opening measured terminal instruction；
For waiting measured terminal to pass through the waiting device whether radio frequency case connect with base station simulator；
For detecting the calling detection device that measured terminal passes through channel and whether base station simulator establishes calling connection；
Enter the reading device of test item for reading automatic cycle tests；
For testing whether to finish and whether have the test result detection device of test result；
Assay result reader for read test result；
For judging whether test result meets the requirements of the standard test result judgment means；
The judgment means whether completed for judging read cycle tests.
The beneficial effects of the present invention are: industrial personal computer operation after, industrial personal computer by remote control commands control base station simulator,
The instrument such as vector signal generator, analog signal generator, spectrum analyzer and switch unit are operated, according to different surveys
It tries sequence and needs to gate corresponding test link, to realize automatic test.Above-mentioned automatic test approach can monitor in real time and
Situations such as inquiring the progress of test, after the completion of required some cycle tests test, by base station simulator and spectrum analyzer
It tests obtained dependence test result data and feeds back to industrial personal computer automatic testing software program by GPIB mouthfuls, program is to resulting
Whether data are saved and are analyzed, and qualified according to testing standard judging result.Therefore, technical solution of the present invention has
Certain versatility, cost saved testing cost, effectively improve testing efficiency.
In addition, 2 circulators of the invention and filter bank design ensure that system can test WCDMA terminal automatically
Multiple frequency ranges measure multiple WCDMA frequency ranges or can be automatically performed when the switching between frequency range, do not need to replace manually and penetrate
Frequency device.
Bandstop filter can be such that corresponding frequency band signal is greatly attenuated, and keep test result more reasonable, otherwise it is possible that not
The signal needed passes to measuring instrumentss, disturbed test result.
High-pass filter can be such that corresponding high frequency band signal passes through, and cutoff frequency signal below is greatly attenuated, and is guaranteed
Test result is rationally effective.
Low-pass filter can be such that cutoff frequency signal below passes through, and signal more than cutoff frequency is greatly attenuated,
It is also to guarantee that test result is more rationally effective.
The signal power of input can be divided into 2 tunnels by power splitter, be connected to other instrument or radio-frequency devices, make to test link
The various connections of carry out required according to testing standard.
Combiner can be merged into the signal that 2 tunnels input the output of 1 tunnel, such as according to the needs of standard testing, useful letter
Number power and interference signal are coupled to required chain road.
Combining power splitter has both two kinds of functions on signal function division and combination road.
Attenuator effect: first is that for protective meter and device, the signal of input is made to bear function in instrument or device
Within the scope of rate；Second is that meeting the needs of test, guarantee that the power of incoming terminal radio frequency mouth is the value of standard requirements.
The effect of matched load is to be absorbed signal power, reaches ideal assimilation effect as far as possible.
Detailed description of the invention
Fig. 1 is frame diagram of the invention.
Fig. 2 is the connection schematic diagram of radio frequency case.
Fig. 3 is flow diagram of the invention.
Specific embodiment
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
First embodiment.
As depicted in figs. 1 and 2, a kind of mobile terminal radio frequency consistency Auto-Test System includes:
Industrial personal computer is used for control base station simulator, vector signal source, analog signal generator, spectrum analyzer and switching
Control unit, to complete automatic test.
Base station simulator, the connection of mode needed for being established by radio frequency case and measured terminal；Network parameter is set and controls quilt
It surveys terminal transmission and receives signal.
Vector signal source, for emitting adjustable signal, with analog signal generator cooperate, as interference signal be coupled to by
Terminal receiver is surveyed, the performance test of measured terminal receiver intermodulation is used for；Fading environment needed for energy mock standard, as decline
Channel simulator.
Analog signal generator is coupled to measured terminal receiver as interference signal for emitting continuous wave, is used for quilt
Survey terminal receiver performance test；The continuous wave signal of frequency needed for emitting, cooperation spectrum analyzer complete system link line loss
Calibration.
Spectrum analyzer, for measuring measured terminal scattering transmission power and the calibration of system link line loss.
Switch control unit, the on off operating mode for each item test link of control system.
Radio frequency case, according to standard requirements to base station simulator, vector signal source, analog signal generator, spectrum analyzer
Organic linking is carried out, cooperation radio frequency switch control unit realizes the automatic test of system.
Measured terminal, in the present embodiment, measured terminal are WCDMA terminal.
Wherein, as shown in Fig. 2, it includes connecting pin and guide end that radio frequency case, which includes the switch connecting with measured terminal,；
The radio frequency case include with the connecting pin of measured terminal connection switch K5, the switch K4 being connect with mono- guide end of switch K5, open
Close bis- guide end of K5 connection combining power splitter；；The combining power splitter divides two-way the signal of switch K5, all the way flow direction switch
K4, another way flow to switch K12；Be connected with the connecting pin of switch K3 by the connecting pin of switch K4, a guide end of switch K4 with
It is combined power splitter connection；Two guide ends of switch K4 connect guide end connection with switch K5；A guide end of switch K3 connects
There is the first circulator, two guide ends of switch K3 are connected with the second circulator；One end of first circulator is connected with switch K6 mono-
Guide end, the other end of the first circulator are connected with a guide end of switch K2；One end of second circulator and the two of switch K6
Guide end connection, the other end of the second circulator are connect with bis- guide end of switch K2；Active point is connected on the connecting pin of switch K6
Device；Two-way is divided into from the signal of switch K6, the another way of the connection base station simulator all the way of power splitter, power splitter connects power splitter
Connect the connecting pin of switch K8；A guide end of switch K8 is connected with a guide end of switch K7；The connecting pin switch K7 and frequency spectrum point
Analyzer connection, two guide end connection switch K10, mono- guide end of switch K7；The two guide end connection switch K9 of switch K10, switch
The connecting pin of 10 connecting pin connection switch K11；The connecting pin switch K9 is connect with analog signal generator, two guide ends of switch K9
It is connected with the first combiner；First combiner merges the signal of switch K9 with the signal YSG of vector signal generator to flow all the way
To switch K1；Switch K11 passes through a guide end of filter connection switch K12；The two of bis- guide end of switch K11 and switch K12
Guide end connection；The connecting pin switch K1 is connected with the second combiner, and the second combiner is base station simulator BS output signal and opens
The signal for closing K1 merges flows to switch K2 all the way.In addition, making the signal of input in instrument for one side protective meter and device
Or device is born in power bracket；On the other hand the needs for meeting test guarantee that the power of incoming terminal radio frequency mouth is mark
The value of alignment request, the radio frequency case is interior to be equipped with attenuator；Attenuator is equipped between switch K5 and combining power splitter；In switch K4
Attenuator is equipped between combining power splitter；Attenuator is equipped between combining power splitter and switch K12；In power splitter and base station
Attenuator is equipped between simulator；Attenuator is equipped between power splitter and switch K8.
Above-mentioned Auto-Test System, industrial personal computer pass through gpib bus control base station simulator (BS), vector signal generator
(VSG), analog signal generator (ASG), spectrum analyzer (SA) pass through LAN mouthfuls of control radio frequency switch control units.Industrial personal computer
After operation, industrial personal computer passes through remote control commands control base station simulator, vector signal generator, analog signal generator, frequency
The instrument such as spectrum analysis instrument and switch unit are operated, and need to gate corresponding test link according to different cycle tests, from
And realize automatic test.
In addition, 2 circulators of the invention and filter bank design ensure that system can test WCDMA terminal automatically
Multiple frequency ranges measure multiple WCDMA frequency ranges or can be automatically performed when the switching between frequency range, do not need to replace manually and penetrate
Frequency device.
Bandstop filter can be such that corresponding frequency band signal is greatly attenuated, and keep test result more reasonable, otherwise it is possible that not
The signal needed passes to measuring instrumentss, disturbed test result.
High-pass filter can be such that corresponding high frequency band signal passes through, and cutoff frequency signal below is greatly attenuated, and is guaranteed
Test result is rationally effective.
Low-pass filter can be such that cutoff frequency signal below passes through, and signal more than cutoff frequency is greatly attenuated,
It is also to guarantee that test result is more rationally effective.
The signal power of input can be divided into 2 tunnels by power splitter, be connected to other instrument or radio-frequency devices, make to test link
The various connections of carry out required according to testing standard.
Combiner can be merged into the signal that 2 tunnels input the output of 1 tunnel, such as according to the needs of standard testing, useful letter
Number power and interference signal are coupled to required chain road.
Combining power splitter has both two kinds of functions on signal function division and combination road.
Attenuator effect: first is that for protective meter and device, the signal of input is made to bear function in instrument or device
Within the scope of rate；Second is that meeting the needs of test, guarantee that the power of incoming terminal radio frequency mouth is the value of standard requirements.
The effect of matched load is to be absorbed signal power, reaches ideal assimilation effect as far as possible.
In order to realize automatic test, as shown in figure 3, the step of mobile terminal radio frequency consistency automatic test approach is:
(1) automatic cycle tests implementation is imported to start to test.
(2) base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit are detected
It is whether controlled；If it is, initialization base station simulator, vector signal source, analog signal generator, spectrum analyzer and
The parameter of switch control unit；If it is not, then adding corresponding instrument.
(3) instruction for opening measured terminal is issued.
(4) measured terminal is waited to connect by radio frequency case with base station simulator.
(5) measured terminal establishes calling connection by channel and base station simulator, and the calling connection is voice connection
Or data connection.
(6) it reads automatic cycle tests and enters test item.
(7) it tests whether to finish and whether has test result, if there is test result, then enter step (8), do not have such as
There is test result, then control base station simulator, vector signal source, analog signal generator, spectrum analyzer and switching control list
Member waits in limited time and returns to step (6).
(8) read test result.
(9) judge whether test result meets the requirements of the standard；Such as meet, then judgement passes through, and does not meet such as, then judges to lose
It loses.
(10) judge whether read cycle tests has been completed, if so, then entering step (11)；If not, returning
Return to step (6).
(11) test terminates.
Corresponding automatic testing equipment includes:
The gatherer for starting to test is carried out for importing automatic cycle tests.
For detecting base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit
Whether controlled detection device.
For issuing the instruction sending device for opening measured terminal instruction.
For waiting measured terminal to pass through the waiting device whether radio frequency case connect with base station simulator.
For detecting the calling detection device that measured terminal passes through channel and whether base station simulator establishes calling connection.
Enter the reading device of test item for reading automatic cycle tests.
For testing whether to finish and whether have the test result detection device of test result.
Assay result reader for read test result.
For judging whether test result meets the requirements of the standard test result judgment means.
The judgment means whether completed for judging read cycle tests.
Wherein, above-mentioned gatherer, detection device, instruction sending device, waiting device, calling detection device, reading dress
It sets, test result detection device, assay result reader, test result judgment means, judgment means are arranged in industrial personal computer.
Industrial personal computer by gpib bus control base station simulator (BS), vector signal generator (VSG), analog signal generator (ASG),
Spectrum analyzer (SA) passes through LAN mouthfuls of control radio frequency switch control units, base station simulator (BS), vector signal generator
(VSG), analog signal generator (ASG), spectrum analyzer (SA), switch control unit pass through radio frequency case and WCDMA terminal
Connection.
Above-mentioned automatic test approach can monitor and inquire situations such as progress of test in real time, when some required cycle tests
After the completion of test, the dependence test result data tested by base station simulator and spectrum analyzer is fed back to by GPIB mouthfuls
Industrial personal computer automatic testing software program, program are saved and are analyzed to resulting data, and according to testing standard judging result
It is whether qualified.Therefore, technical solution of the present invention has certain versatility, cost saved testing cost, effectively
Improve testing efficiency.
Second embodiment.
As depicted in figs. 1 and 2, a kind of mobile terminal radio frequency consistency Auto-Test System includes:
Industrial personal computer is used for control base station simulator, vector signal source, analog signal generator, spectrum analyzer and switching
Control unit, to complete automatic test.
Base station simulator, the connection of mode needed for being established by radio frequency case and measured terminal；Network parameter is set and controls quilt
It surveys terminal transmission and receives signal.
Vector signal source, for emitting adjustable signal, with analog signal generator cooperate, as interference signal be coupled to by
Terminal receiver is surveyed, the performance test of measured terminal receiver intermodulation is used for；Fading environment needed for energy mock standard, as decline
Channel simulator.
Analog signal generator is coupled to measured terminal receiver as interference signal for emitting continuous wave, is used for quilt
Survey terminal receiver performance test；The continuous wave signal of frequency needed for emitting, cooperation spectrum analyzer complete system link line loss
Calibration.
Spectrum analyzer, for measuring measured terminal scattering transmission power and the calibration of system link line loss.
Switch control unit, the on off operating mode for each item test link of control system.
Radio frequency case, according to standard requirements to base station simulator, vector signal source, analog signal generator, spectrum analyzer
Organic linking is carried out, cooperation radio frequency switch control unit realizes the automatic test of system.
Measured terminal, in the present embodiment, measured terminal are WCDMA terminal.
Wherein, as shown in Fig. 2, radio frequency case includes the switch K5 connecting with measured terminal, opens with what the one end switch K5 was connect
The combining power splitter for closing K4, being connect with the switch K5 other end；One end of switch K4 is connected with switch K3, the other end of switch K4
It is connect with combining power splitter；One end of switch K3 is connected with the first circulator, and the other end of switch K3 is connected with second and goes in ring
Device；One end of first circulator is connected with switch K6, and the other end of the first circulator is connected with switch K2；The one of second circulator
End is connect with the other end of switch K6, and the other end of the second circulator is connect with switch K2；Power splitter is connected on switch K6；
The connection base station simulator all the way of power splitter, the another way of power splitter are connected with switch K8, and load is connected on switch K8；It opens
The one end for closing K8 is connected with one end of switch K7；Switch K7 is connect with spectrum analyzer, and the other end of switch K7 is connected with switch
K10；One end connection switch K9 of switch K10 is connected with switch K11 on switch 10；Switch K9 is connect with analog signal generator,
The other end of switch K9 is connected with the first combiner；First combiner is connect with vector signal generator all the way；Switch K11 is logical
Wave filter is connected with switch K12；Switch K11 is connect with switch 12；Switch K12 is connect with combining power splitter；In the first combining
Be connected with switch K1 on device, the second combiner be connected on switch K1, be connected with load on switch K1, the second combiner with
Switch K2 is connected.In addition, for one side protective meter and device, the signal of input is made to bear function in instrument or device
Within the scope of rate；On the other hand the needs for meeting test guarantee that the power of incoming terminal radio frequency mouth is the value of standard requirements, are then opening
It closes and is equipped with attenuator between K5 and combining power splitter；Attenuator is equipped between switch K4 and combining power splitter；In combining function point
Attenuator is equipped between device and switch K12；Attenuator is equipped between power splitter and base station simulator；In power splitter and switch K8
Between be equipped with attenuator.The radio frequency case includes switch K1-K12, combining power splitter, first annular device, the second circulator, function point
Device, the first combiner, the second combiner and filter.
Above-mentioned Auto-Test System, industrial personal computer pass through gpib bus control base station simulator (BS), vector signal generator
(VSG), analog signal generator (ASG), spectrum analyzer (SA) pass through LAN mouthfuls of control radio frequency switch control units.Industrial personal computer
After operation, industrial personal computer passes through remote control commands control base station simulator, vector signal generator, analog signal generator, frequency
The instrument such as spectrum analysis instrument and switch unit are operated, and need to gate corresponding test link according to different cycle tests, from
And realize automatic test.
In addition, 2 circulators of the invention and filter bank design ensure that system can test WCDMA terminal automatically
Multiple frequency ranges measure multiple WCDMA frequency ranges or can be automatically performed when the switching between frequency range, do not need to replace manually and penetrate
Frequency device.
Bandstop filter can be such that corresponding frequency band signal is greatly attenuated, and keep test result more reasonable, otherwise it is possible that not
The signal needed passes to measuring instrumentss, disturbed test result.
High-pass filter can be such that corresponding high frequency band signal passes through, and cutoff frequency signal below is greatly attenuated, and is guaranteed
Test result is rationally effective.
Low-pass filter can be such that cutoff frequency signal below passes through, and signal more than cutoff frequency is greatly attenuated,
It is also to guarantee that test result is more rationally effective.
The signal power of input can be divided into 2 tunnels by power splitter, be connected to other instrument or radio-frequency devices, make to test link
The various connections of carry out required according to testing standard.
Combiner can be merged into the signal that 2 tunnels input the output of 1 tunnel, such as according to the needs of standard testing, useful letter
Number power and interference signal are coupled to required chain road.
Combining power splitter has both two kinds of functions on signal function division and combination road.
Attenuator effect: first is that for protective meter and device, the signal of input is made to bear function in instrument or device
Within the scope of rate；Second is that meeting the needs of test, guarantee that the power of incoming terminal radio frequency mouth is the value of standard requirements.
The effect of matched load is to be absorbed signal power, reaches ideal assimilation effect as far as possible.
Third embodiment.
As shown in figure 3, the step of mobile terminal radio frequency consistency automatic test approach, is:
(1) automatic cycle tests implementation is imported to start to test.
(2) base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit are detected
It is whether controlled；If it is, initialization base station simulator, vector signal source, analog signal generator, spectrum analyzer and
The parameter of switch control unit；If it is not, then adding corresponding instrument.
(3) instruction for opening measured terminal is issued.
(4) measured terminal is waited to connect by radio frequency case with base station simulator.
(5) measured terminal establishes calling connection by channel and base station simulator, and the calling connection is voice connection
Or data connection.
(6) it reads automatic cycle tests and enters test item.
(7) it tests whether to finish and whether has test result, if there is test result, then enter step (8), do not have such as
There is test result, then control base station simulator, vector signal source, analog signal generator, spectrum analyzer and switching control list
Member waits in limited time and returns to step (6).
(8) read test result.
(9) judge whether test result meets the requirements of the standard；Such as meet, then judgement passes through, and does not meet such as, then judges to lose
It loses.
(10) judge whether read cycle tests has been completed, if so, then entering step (11)；If not, returning
Return to step (6).
(11) test terminates.
Corresponding automatic testing equipment includes:
The gatherer for starting to test is carried out for importing automatic cycle tests.
For detecting base station simulator, vector signal source, analog signal generator, spectrum analyzer and switch control unit
Whether controlled detection device.
For issuing the instruction sending device for opening measured terminal instruction.
For waiting measured terminal to pass through the waiting device whether radio frequency case connect with base station simulator.
For detecting the calling detection device that measured terminal passes through channel and whether base station simulator establishes calling connection.
Enter the reading device of test item for reading automatic cycle tests.
For testing whether to finish and whether have the test result detection device of test result.
Assay result reader for read test result.
For judging whether test result meets the requirements of the standard test result judgment means.
The judgment means whether completed for judging read cycle tests.
Wherein, above-mentioned gatherer, detection device, instruction sending device, waiting device, calling detection device, reading dress
It sets, test result detection device, assay result reader, test result judgment means, judgment means are arranged in industrial personal computer.
Industrial personal computer by gpib bus control base station simulator (BS), vector signal generator (VSG), analog signal generator (ASG),
Spectrum analyzer (SA) passes through LAN mouthfuls of control radio frequency switch control units, base station simulator (BS), vector signal generator
(VSG), analog signal generator (ASG), spectrum analyzer (SA), switch control unit pass through radio frequency case and WCDMA terminal
Connection.
Above-mentioned automatic test approach can monitor and inquire situations such as progress of test in real time, when some required cycle tests
After the completion of test, the dependence test result data tested by base station simulator and spectrum analyzer is fed back to by GPIB mouthfuls
Industrial personal computer automatic testing software program, program are saved and are analyzed to resulting data, and according to testing standard judging result
It is whether qualified.Therefore, technical solution of the present invention has certain versatility, cost saved testing cost, effectively
Improve testing efficiency.
4th embodiment.
As shown in Fig. 2, radio frequency case is connect with measured terminal；The switch includes connecting pin and guide end；It is wherein tested eventually
End connection switch K5, the switch K4 being connect with mono- guide end of switch K5, the combining power splitter being connect with bis- guide end of switch K5；Institute
It states combining power splitter and divides two-way the signal of switch K5, flow to switch K4 all the way, another way flows to the connecting pin of switch K12；By
The connecting pin of switch K4 is connected with the connecting pin of switch K3, and a guide end of switch K4 is connect with combining power splitter；Switch K4's
Two guide ends connect guide end connection with switch K5；A guide end of switch K3 is connected with the first end of the first circulator, opens
Two guide ends for closing K3 are connected with the first end of the second circulator；The second end of first circulator is connected with the guiding of switch K6 mono-
End, the third end of the first circulator is connected with a guide end of switch K2；The second end of second circulator is led with the two of switch K6
It is connected to end, the third end of the second circulator is connect with bis- guide end of switch K2；Power splitter is connected on the connecting pin of switch K6；
Two-way is divided into from the signal of switch K6, the another way of the connection base station simulator all the way of power splitter, power splitter connects power splitter
The connecting pin of switch K8；A guide end of switch K8 is connected with a guide end of switch K7；The connecting pin switch K7 and spectrum analysis
Instrument connection, two guide end connection switch K10, mono- guide end of switch K7；The one of the two guide end connection switch K9 of switch K10 leads
Xiang Duan, the connecting pin of 10 connecting pin connection switch K11 of switch；The connecting pin switch K9 is connect with analog signal generator, switch K9
Two guide ends be connected with the first combiner；First combiner is the signal of switch K9 and the signal YSG of vector signal generator
Merge the guide end for flowing to switch K1 all the way；A guide end of switch K11 passes through a guiding of filter connection switch K12
End；Bis- guide end of switch K11 is connect with two guide ends of switch 12；The connecting pin switch K1 is connected with the second combiner, and second closes
Road device merges the signal of base station simulator BS output signal and switch K1 the connecting pin for flowing to switch K2 all the way.
Attenuator is equipped between switch K5 and combining power splitter；Decaying is equipped between switch K4 and combining power splitter
Device；Attenuator is equipped between combining power splitter and switch K12；Attenuator is equipped between power splitter and base station simulator；?
Attenuator is equipped between power splitter and switch K8.
2 circulators of the invention and filter bank design ensure that system can survey multiple frequencies of WCDMA terminal automatically
Section measures multiple WCDMA frequency ranges or can be automatically performed when the switching between frequency range, do not need to replace RF device manually
Part.
Bandstop filter can be such that corresponding frequency band signal is greatly attenuated, and keep test result more reasonable, otherwise it is possible that not
The signal needed passes to measuring instrumentss, disturbed test result.
High-pass filter can be such that corresponding high frequency band signal passes through, and cutoff frequency signal below is greatly attenuated, and is guaranteed
Test result is rationally effective.
Low-pass filter can be such that cutoff frequency signal below passes through, and signal more than cutoff frequency is greatly attenuated,
It is also to guarantee that test result is more rationally effective.
The signal power of input can be divided into 2 tunnels by power splitter, be connected to other instrument or radio-frequency devices, make to test link
The various connections of carry out required according to testing standard.
Combiner can be merged into the signal that 2 tunnels input the output of 1 tunnel, such as according to the needs of standard testing, useful letter
Number power and interference signal are coupled to required chain road.
Combining power splitter has both two kinds of functions on signal function division and combination road.
Attenuator effect: first is that for protective meter and device, the signal of input is made to bear function in instrument or device
Within the scope of rate；Second is that meeting the needs of test, guarantee that the power of incoming terminal radio frequency mouth is the value of standard requirements.
The effect of matched load is to be absorbed signal power, reaches ideal assimilation effect as far as possible.
In the present invention, CE standard testing specification refers to 301 908-2 V4.2.1 (2010-3) of ETSI EN (or more
Highest version), 134.121 V8.8.0 of ETSI TS (2009-11) (or more highest version), as shown in table (1).FCC standard testing
It standardizes and refers to ANSI/TIA-603-C-2004 (or more highest version), Per 47 CFR PART 2, PART 22, PART24,
As shown in table (2).CTA standard testing specification is YD/T 1548.1-2009 (or more highest version) and YD/T 2218.1-
2011 (or more highest versions), as shown in table (3).
The requirement of table (1) WCDMA terminal CE test specification
The requirement of table (2) WCDMA terminal FCC test specification
The requirement of table (3) WCDMA terminal CTA test specification
Claims (4)
1. a kind of mobile terminal radio frequency consistency Auto-Test System, comprising:
Industrial personal computer is used for control base station simulator, vector signal source, analog signal generator, spectrum analyzer and switching control
Unit, to complete automatic test；
Base station simulator, the connection of mode needed for being established by radio frequency case and measured terminal；It is tested eventually that network parameter control is set
End transmitting and reception signal；
Vector signal source cooperates for emitting adjustable signal with analog signal generator, is coupled to as interference signal tested whole
Receiver is held, the performance test of measured terminal receiver intermodulation is used for；Fading environment needed for energy mock standard, as fading channel
Simulator；
Analog signal generator is coupled to measured terminal receiver as interference signal for emitting continuous wave, for tested whole
Hold receiver performance test；The continuous wave signal of frequency needed for emitting, cooperation spectrum analyzer complete the calibration of system link line loss；
Spectrum analyzer, for measuring measured terminal scattering transmission power and the calibration of system link line loss；
Switch control unit, the on off operating mode for each item test link of control system；
Radio frequency case carries out base station simulator, vector signal source, analog signal generator, spectrum analyzer according to standard requirements
Organic linking, cooperation radio frequency switch control unit realize the automatic test of system；
Measured terminal, the radio frequency case are connect with measured terminal；
Switch includes connecting pin and guide end；
It is characterised by comprising:
The radio frequency case includes switch K1-K12, combining power splitter, first annular device, the second circulator, power splitter, the first combining
Device, the second combiner and filter；
The wherein connecting pin of measured terminal connection switch K5, bis- guide end of switch K5 connection combining power splitter；The combining function point
Device divides two-way the signal of switch K5, flows to switch K4 all the way, and another way flows to the connecting pin of switch K12；By the company of switch K4
The connecting pin that end is connected with switch K3 is connect, a guide end of switch K4 is connect with combining power splitter；Two guide ends of switch K4 with
The connection of one guide end of switch K5 connection；A guide end of switch K3 is connected with the first end of the first circulator, and the two of switch K3 lead
The first end of the second circulator is connected with to end；The second end of first circulator is connected with mono- guide end of switch K6, and first goes in ring
The third end of device is connected with a guide end of switch K2；The second end of second circulator is connect with two guide ends of switch K6, the
The third end of two circulators is connect with bis- guide end of switch K2；Power splitter is connected on the connecting pin of switch K6；Power splitter from
The signal of switch K6 is divided into two-way, the connection base station simulator all the way of power splitter, the company of the another way connection switch K8 of power splitter
Connect end；A guide end of switch K8 is connected with a guide end of switch K7；The connecting pin switch K7 is connect with spectrum analyzer, switch
Two guide end connection switch K10, mono- guide end of K7；A guide end of the two guide end connection switch K9 of switch K10, switch K10
The connecting pin of connecting pin connection switch K11；The connecting pin switch K9 is connect with analog signal generator, and two guide ends of switch K9 connect
It is connected to the first combiner；First combiner merges the signal of switch K9 with the signal YSG of vector signal generator to be flowed to all the way
A guide end of switch K1；A guide end of switch K11 passes through a guide end of filter connection switch K12；Switch K11 bis- is led
Two guide ends of Xiang Duanyu switch K12 connect；The connecting pin switch K1 is connected with the second combiner, and the second combiner simulates base station
The signal of device BS output signal and switch K1 merge the connecting pin for flowing to switch K2 all the way.
2. mobile terminal radio frequency consistency Auto-Test System according to claim 1, it is characterised in that: in switch K1 bis-
Guide end is connected with load, is connected with load in bis- guide end of switch K8.
3. mobile terminal radio frequency consistency Auto-Test System according to claim 2, it is characterised in that: the radio frequency case
It is interior to be equipped with attenuator；Attenuator is equipped between switch K5 and combining power splitter；It is equipped between switch K4 and combining power splitter
Attenuator；Attenuator is equipped between combining power splitter and switch K12；Decaying is equipped between power splitter and base station simulator
Device；Attenuator is equipped between power splitter and switch K8.
4. mobile terminal radio frequency consistency Auto-Test System according to any one of claims 1 to 3, it is characterised in that:
The filter includes the low-pass filtering of two or more bandstop filters, two or more high-pass filters and two or more
Device, all filters are connected in parallel, and the both ends of all filters are equipped with change-over switch.
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| CN104980960B (en) * | 2015-07-14 | 2020-12-01 | 中国电子科技集团公司第四十一研究所 | Switching device of TD-LTE/TD-LTE-Advanced base station radio frequency conformance test system |
| CN105323023B (en) * | 2015-10-19 | 2018-01-09 | 青岛海信移动通信技术股份有限公司 | Optimization calibration method for mobile terminal |
| CN105703849B (en) * | 2016-01-25 | 2018-04-24 | 北京星河亮点技术股份有限公司 | A kind of radio frequency a-b box and terminal radio frequency consistency test system |
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| CN105873108A (en) * | 2016-05-25 | 2016-08-17 | 工业和信息化部电信研究院 | Test system for radio frequency conformance of LTE (long term evolution) terminal |
| CN107506035B (en) * | 2017-08-21 | 2020-03-27 | 中国电子科技集团公司第二十九研究所 | Gesture spectrum analysis method and system based on mobile platform |
| CN107359944B (en) * | 2017-08-28 | 2024-04-09 | 中国信息通信研究院 | Bluetooth equipment radio frequency test system |
| CN107809288B (en) * | 2017-10-30 | 2021-01-15 | 深圳无线电检测技术研究院 | Wireless interference test method and system |
| CN108040345B (en) * | 2018-01-18 | 2023-08-04 | 深圳信息通信研究院 | Automatic detection system for LTE conduction transmitting power of 4G mobile terminal |
| CN110769434A (en) * | 2018-07-25 | 2020-02-07 | 普天信息技术有限公司 | LTE base station blocking performance test method and system |
| EP3709033A1 (en) * | 2019-03-14 | 2020-09-16 | Rohde & Schwarz GmbH & Co. KG | Performance test system for testing a complex system under test |
| CN110995366B (en) * | 2019-11-18 | 2021-09-03 | 中电科思仪科技(安徽)有限公司 | Automatic switching device for IOT-G230 MHz radio frequency consistency test system |
| CN113037583B (en) * | 2019-12-25 | 2022-08-30 | 中移物联网有限公司 | Test apparatus, method and readable storage medium |
| CN113810129A (en) * | 2021-09-15 | 2021-12-17 | 深圳市德普华电子测试技术有限公司 | 5G NR testing method, device, terminal and storage medium |
| CN114845328B (en) * | 2022-05-17 | 2023-05-09 | 北京智网信测科技有限公司 | Polymorphism NR radio frequency test system, test case generation method and test method |
| CN116893978B (en) * | 2023-09-08 | 2024-02-20 | 东莞信宝电子产品检测有限公司 | Test plan generation method, system and storage medium based on PTCRB authentication |
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