CN107889139A - A kind of signal test system and method - Google Patents
A kind of signal test system and method Download PDFInfo
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- CN107889139A CN107889139A CN201610877567.6A CN201610877567A CN107889139A CN 107889139 A CN107889139 A CN 107889139A CN 201610877567 A CN201610877567 A CN 201610877567A CN 107889139 A CN107889139 A CN 107889139A
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Abstract
The invention discloses a kind of signal test system and method, methods described includes：Control unit, for generating at least one test event and its configuration parameter；At least by least one test event and its configuration parameter be sent to target test equipment, and/or, at least one signal generating unit；Receive the testing result for up test link of the target test equipment feedback, and/or the testing result for descending test link of at least one detecting signal unit feedback is received, at least one index parameter for up test link, and/or at least one index parameter for descending test link are determined based on each testing result received；Link management unit, for by the up test link connection target test equipment and at least one signal generating unit, passing through the descending test link connection target test equipment and at least one detecting signal unit.
Description
Technical field
The present invention relates to the signal testing technology in the communications field, more particularly to a kind of signal test system and method.
Background technology
Test RF index is all single index test at present, when testing each index, is not had in prerequisite definition
It is identical.So in test, it is possible to when appearing in some index of test, adjust some parameters so that test result
Become excellent, when testing other parameter, go to adjust some other parameter again.So for this black box of equipment, testing not
With bar now, it is possible to that different states can be in so that the result of each entry is all optimal, and this can not accurately react real
Border test case.Because in actual use, once equipment normal work, these RF indexes are just it has been determined that can't be certainly
Adapt to adjustment.
The content of the invention
It is a primary object of the present invention to propose a kind of signal test system and method, it is intended to which solution exists in the prior art
Above mentioned problem.
To achieve the above object, a kind of signal test system provided by the invention, including：
Control unit, for generating at least one test event and its configuration parameter, wherein, the configuration of the test event
Parameter comprises at least test frequency and TCH test channel；At least at least one test event and its configuration parameter are sent to
Target test equipment, and/or, at least one signal generating unit；It is up to receive being directed to for the target test equipment feedback
The testing result of link is tested, and/or receives the inspection for descending test link of at least one detecting signal unit feedback
Survey result, based on each testing result received determine for up test link at least one index parameter and/
Or at least one index parameter for descending test link；
Link management unit, for establishing at least one up test link and/or establishing at least one descending test chain
Road, by the up test link connection target test equipment and at least one signal generating unit, by described descending
Test link connection target test equipment and at least one detecting signal unit.
A kind of signal testing method provided by the invention, methods described include：
Control unit generates at least one test event and its configuration parameter, wherein, the configuration parameter of the test event
Including at least test frequency and TCH test channel；
Described control unit at least by least one test event and its configuration parameter be sent to target test equipment,
And/or, at least one signal generating unit；
Link management unit establishes at least one up test link and/or establishes at least one descending test link, leads to
The up test link connection target test equipment and at least one signal generating unit are crossed, passes through the descending test chain
Road linking objective test equipment and at least one detecting signal unit；
Described control unit receives the testing result for up test link of the target test equipment feedback,
And/or receive the testing result for descending test link of at least one detecting signal unit feedback；Based on what is received
Each testing result is determined at least one index parameter of up test link, and/or for descending test link
At least one index parameter.
A kind of signal test system proposed by the present invention and method, it becomes possible to by control unit carry out test event and its
The generation of corresponding configuration parameter, and by target test equipment and/or signal generating unit send test event and its
Corresponding configuration parameter control carries out the generation and generation of up test signal and descending test signal, finally according to target
Test equipment and the testing result of detecting signal unit are determined for up and/or downlink at least one index ginseng
Number.In this way, improve the testing efficiency for target test equipment, and without the tune of parameter when due to being tested
Straightening taps into the acquisition of the multiple index parameters of row so as to not only ensure that testing efficiency more can also be set in accurate reaction really
Standby performance, improve the accuracy of test result.
Brief description of the drawings
Fig. 1 is that signal test system of the embodiment of the present invention forms structural representation one；
Fig. 2 is link management unit schematic diagram of the embodiment of the present invention；
Fig. 3 is that signal test system of the embodiment of the present invention forms structural representation two；
Fig. 4 signal interaction schematic diagrames between signal test system of the embodiment of the present invention and base station；
Fig. 5 is that signal test system of the embodiment of the present invention forms structural representation three；
Fig. 6 is signal testing method of embodiment of the present invention schematic flow sheet one；
Fig. 7 is signal testing method of embodiment of the present invention schematic flow sheet two.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one,
The embodiments of the invention provide a kind of signal test system, as shown in figure 1, including：
Control unit 11, for generating at least one test event and its configuration parameter, wherein, the test event is matched somebody with somebody
Put parameter and comprise at least test frequency and TCH test channel；At least at least one test event and its configuration parameter are sent
To target test equipment, and/or, at least one signal generating unit；It is upper to receive being directed to for the target test equipment feedback
The testing result of row test link, and/or receive at least one detecting signal unit feedback for descending test link
Testing result, based on each testing result received determine at least one index parameter for up test link,
And/or at least one index parameter for descending test link；
Link management unit 12, for establishing at least one up test link and/or establishing at least one descending test
Link, by the up test link connection target test equipment and at least one signal generating unit, under described
Row test link connection target test equipment and at least one detecting signal unit.
Here, it is necessary to which explanation, the electronic equipment that described control unit can possess CPU by one are formed, such as, one
Individual PC equipment, or can be a server, the present embodiment is not implemented to it and is defined.
Described control unit 11, it is additionally operable to the test event and its configuration parameter being sent to link management unit；
Accordingly, the link management unit 12, specifically at least one test item sent according to described control unit
TCH test channel in mesh and its configuration parameter, establish at least one up test link and/or establish at least one descending test
Link.
That is, test event can be that a numbering can also be a title in the present embodiment, such as, Ke Yishe
No. 1 test event is put, it can also be provided that carrying out the project of power consumption test.
Link management unit described in the present embodiment, Fig. 2 is may refer to, including：Isolator, combiner, attenuator, orientation
Coupler, bandpass filter, bandstop filter, derailing switch.
It is to be herein pointed out the quantity of above-mentioned each electronic device can also be able to be more for one without limiting
It is individual, such as, attenuator described in Fig. 2 can have multiple, it is assumed that target test equipment can be base station, then if to enter simultaneously
Row multi-channel test, the connection received or signaled can be established between base station respectively by multiple attenuators.
In addition, derailing switch i.e. SW, can also be arranged in link management unit by multiple switch device, and derailing switch
Effect is test access information in configuration parameter in test event, controlling switch device adjust its switch direction with establish with
Upstream or downstream corresponding to path information test link, and the path established between any two electronic device can be by least
One derailing switch is established.
Specifically, the link management unit, row test signal is concurrently served to target for receiving up test signal
Test equipment；Specifically include：
The up test signal of the first kind is got from signal generating unit by combiner, will by least one derailing switch
The up test signal of the first kind is transmitted to isolator progress signal isolation, is filtered by bandpass filter, will complete to filter
The oriented coupler of the up test signal of the first kind and the first attenuator after ripple are sent to target test equipment；Such as ginseng
See Fig. 2, wherein, the up test signal of the first kind can be useful signal branch, and the first attenuator can be multiple and base station energy
One in enough attenuators for establishing connection, DUT connects attenuator 1, and signal source connects combiner, and signal stream is：Combiner->SW26-
>SW18->SW16->Isolator->SW15->Bandpass filter->SW13->Directional coupler->SW12->SW11->SW9->
SW1->Attenuator.
Or
Up test signal carried out by amplifier after getting the up test signal of the second class from signal generating unit
Signal amplifies, and the up test signal of the second class after amplification is filtered by bandstop filter, by the after after filtering
The up test signal of two classes is sent to attenuator via at least one derailing switch, by the second attenuator by the up test of the second class
Signal is sent to target test equipment after being decayed.Wherein, the up test signal of the second class can be interference source branch,
Second attenuator and the first attenuator are identical or different, that is to say, that the second attenuator can also be that can establish to connect with base station
Multiple attenuators in one, referring to Fig. 2, specifically：DUT connects attenuator 1, and interference source meets SW24, and signal stream is：SW24->
Amplifier->SW25->SW23->SW22->SW21->Bandstop filter->SW20->SW19->SW14->SW13->Directional couple
Device->SW12->SW11->SW9->SW1->Attenuator.
The link management unit, for receiving descending test signal and sending descending test signal to signal detection list
Member；Specifically include：
The descending test signal of the first kind is got at target test equipment by the 3rd attenuator, opened by least one
The descending test signal of the first kind is sent to the 4th attenuator and decayed by the link that pass device is gated, after decay
The descending test signal of the first kind is sent to detecting signal unit.The descending test signal of the first kind can be for carrying out transmitting work(
Rate, the descending test signal of EVM, ACLR test, the 3rd attenuator can be identical or different with the first or second attenuator, according to
Actual conditions are configured, and here without restriction, for example referring to Fig. 2, are specially：DUT connects attenuator, and frequency spectrograph connects SW22's
Output, signal stream are：Signal source->Attenuator 1->SW1->SW9->SW11-SW12->SW14->SW19->SW20->Attenuator-
>SW21->SW22->Frequency spectrograph.
Or
The descending test signal of second class is got at target test equipment by the 5th attenuator, opened by least one
The link that device is chosen is closed, the descending test signal of the second class is sent to bandstop filter and is filtered, by filtered the
The descending test signal of two classes is sent to detecting signal unit.The descending test signal of second class can be to carry out spuious test
Descending test signal, referring to Fig. 2, it is specially：DUT connects attenuator, and frequency spectrograph connects SW22 output, and signal stream is：Signal source->
Attenuator 1->SW1->SW9->SW11-SW12->SW14->SW19->SW20->Bandstop filter->SW21->SW22->Frequency spectrum
Instrument.
As shown in figure 3, the system also includes：Signal generating unit 13, for receive control unit 11 send to
A few test event and its configuration parameter, according to the configuration parameter configuration test mode and test frequency, according to configuration
Test pattern and the test frequency generation first kind or up test signal of the second class, and by the first kind or the up survey of the second class
Trial signal is sent to target test equipment by link management unit.It is pointed out that above-mentioned signal generating unit 13 can be with
There is one can have multiple, the quantity of signal generating unit that can be included in signal test system is not carried out in the present embodiment
Limit.
As shown in figure 3, the system also includes：Detecting signal unit 14, send for receiving described control unit 11
At least one test event and its configuration parameter, test pattern is carried out according to the configuration parameter and tests the configuration of frequency,
The first kind or the descending test signal of the second class that target test equipment is sent are received at link management unit, and according to configuration
Test pattern and test frequency tested to obtain for descending for the first kind or the descending test signal of the second class
Test the testing result of link；
Accordingly, described control unit 11, be additionally operable to detecting signal unit 14 send at least one test event and its
Configuration parameter；Wherein, test pattern is also included in the configuration parameter.
Described control unit, is additionally operable to control signal test cell and signal generating unit carries out calibration process, obtains
And preserve the calibration result of signal testing unit and signal generating unit.
Further, described control unit, it is additionally operable to establish connection with target test equipment, and according to default communication
Form enters the interaction of row information.
For example referring to Fig. 4, target test equipment can be base station, wherein control unit and target test equipment (base station)
When establishing connection, UDP can be used to initiate broadcast, be determined when receiving the IP and port numbers of base station feedback to the base station
TCP connection requests are initiated, the backward control unit that base station establishes connection according to TCP connection requests feeds back TCP successful connection information；
Afterwards, control unit enters interacting for row information based on default communication format and base station, specific information format may refer to
Under table 1, specifically, TCP data bag content, and head corresponding to each TCP data bag are exactly included in TCP message
Byte content, wherein, head byte content can be the type identification of TCP data bag content.
Further, referring further to Fig. 4, when control unit needs to terminate test, end can be sent to base station and referred to
Order, base station is according to the connection between END instruction disconnection and control unit.
Table 1
Based on the signal test system of above-mentioned offer, as shown in figure 5, the present embodiment carries out specific test scene description,
Get out the instrument and meter (frequency spectrograph, signal source, interference source) of correlation, link management unit (switch-box), target test equipment
(such as TD-LTE RRU), control unit, such as industrial computer or computer, complete the connection of correlation.Simultaneously on industrial computer
Automatic test program is installed.
Described control unit, for being calibrated to system；And calibration value is preserved in test program.
Described control unit, for formulating test-schedule, wherein, the test plan content includes, test event, test
The execution sequence of project and the parameter of test event etc..The parameter of test event includes：Test pattern, test frequency, test are logical
Road etc..The lower row index of test：For each different ETM descending tested entries, power consumption is all recorded simultaneously, transmission power,
EVM, ACLR, spuious index；For upper row index：In upper row indexs such as measurement sensitivity, ACS, obstructions, ensure under base station
Row records power consumption also in normal transmission, transmission power, EVM, ACLR, spuious index；
The test event issued by described control unit, energy control base station and/or signal source, interference source, frequency spectrograph enter
Row automatic test：By specific automatization test system and base station programmable interface agreement, automatic test program and base station
Equipment interacts, and gives base station transmitting order to lower levels, base station to be automatically configured after receiving order as corresponding test pattern.Note：It is logical
Cross the interaction of these instructions for providing form, you can realize automatic test software and base station equipment communication (such as referring to
Table 1).
Described control unit inquiry in-line meter carries out instrument initialization, and then programme-controlled instrument performs survey according to test-schedule
Try and record test result.If exception occurs in test process or drops by the wayside, the continuous survey of breakpoint may be selected.Note：Rule are tested when exiting
Drawing and completed the test result of test item can retain automatically.
Described control unit generates test report：Test result file is chosen, clicking on " generation report " can automatically generate
Test report.
It can be seen that by using such scheme, the life of test event and its corresponding configuration parameter is carried out by control unit
Into, and by sending test event and its control of corresponding configuration parameter to target test equipment and/or signal generating unit
The generation and generation of up test signal and descending test signal are carried out, is finally examined according to target test equipment and signal
The testing result for surveying unit determines to be directed to up and/or downlink at least one index parameter.In this way, improve for mesh
The testing efficiency of test equipment is marked, and directly carries out multiple index ginsengs without the adjustment of parameter when due to being tested
Several acquisitions so as to not only ensure that testing efficiency can also the more accurate consersion unit that be really performance, improve test knot
The accuracy of fruit.
Embodiment two,
The embodiments of the invention provide a kind of signal testing method, as shown in fig. 6, including：
Step 601：Control unit generates at least one test event and its configuration parameter, wherein, the test event
Configuration parameter comprises at least test frequency and TCH test channel；
Step 602：At least one test event and its configuration parameter are at least sent to target by described control unit
Test equipment, and/or, at least one signal generating unit；
Step 603：Link management unit establishes at least one up test link and/or establishes at least one descending test
Link, by the up test link connection target test equipment and at least one signal generating unit, under described
Row test link connection target test equipment and at least one detecting signal unit；
Step 604：Described control unit receives the inspection for up test link of the target test equipment feedback
Result is surveyed, and/or receives the testing result for descending test link of at least one detecting signal unit feedback, based on connecing
The each testing result received is determined at least one index parameter of up test link, and/or for descending survey
Try at least one index parameter of link.
Here, it is necessary to which explanation, the electronic equipment that described control unit can possess CPU by one are formed, such as, one
Individual PC equipment, or can be a server, the present embodiment is not implemented to it and is defined.
Methods described also includes：The test event and its configuration parameter are sent to link management unit；
In at least one test event and its configuration parameter that the link management unit is sent according to described control unit
TCH test channel, establish at least one up test link and/or establish at least one descending test link.
That is, test event can be that a numbering can also be a title in the present embodiment, such as, Ke Yishe
No. 1 test event is put, it can also be provided that carrying out the project of power consumption test.
Link management unit described in the present embodiment, Fig. 2 is may refer to, including：Isolator, combiner, attenuator, orientation
Coupler, bandpass filter, bandstop filter, derailing switch.
It is to be herein pointed out the quantity of above-mentioned each electronic device can also be able to be more for one without limiting
It is individual, such as, attenuator described in Fig. 2 can have multiple, it is assumed that target test equipment can be base station, then if to enter simultaneously
Row multi-channel test, the connection received or signaled can be established between base station respectively by multiple attenuators.
In addition, derailing switch i.e. SW, can also be arranged in link management unit by multiple switch device, and derailing switch
Effect is test access information in configuration parameter in test event, controlling switch device adjust its switch direction with establish with
Upstream or downstream corresponding to path information test link, and the path established between any two electronic device can be by least
One derailing switch is established.
Specifically, at least one test event that the link management unit is sent according to described control unit and its configuration
TCH test channel in parameter, establish at least one up test link and/or establish at least one descending test link, including：
Up test signal is received concurrently to serve row test signal to target test equipment, and/or the descending test signal of reception and send
Descending test signal is to detecting signal unit；
Wherein, the up test signal of reception concurrently serves row test signal to target test equipment, including：
The up test signal of the first kind is got from signal generating unit by combiner, will by least one derailing switch
The up test signal of the first kind is transmitted to isolator progress signal isolation, is filtered by bandpass filter, will complete to filter
The oriented coupler of the up test signal of the first kind and the first attenuator after ripple are sent to target test equipment；Such as ginseng
See Fig. 2, wherein, the up test signal of the first kind can be useful signal branch, and the first attenuator can be multiple and base station energy
One in enough attenuators for establishing connection, DUT connects attenuator 1, and signal source connects combiner, and signal stream is：Combiner->SW26-
>SW18->SW16->Isolator->SW15->Bandpass filter->SW13->Directional coupler->SW12->SW11->SW9->
SW1->Attenuator.
Or
Up test signal carried out by amplifier after getting the up test signal of the second class from signal generating unit
Signal amplifies, and the up test signal of the second class after amplification is filtered by bandstop filter, by the after after filtering
The up test signal of two classes is sent to attenuator via at least one derailing switch, by the second attenuator by the up test of the second class
Signal is sent to target test equipment after being decayed.Wherein, the up test signal of the second class can be interference source branch,
Second attenuator and the first attenuator are identical or different, that is to say, that the second attenuator can also be that can establish to connect with base station
Multiple attenuators in one, referring to Fig. 2, specifically：DUT connects attenuator 1, and interference source meets SW24, and signal stream is：SW24->
Amplifier->SW25->SW23->SW22->SW21->Bandstop filter->SW20->SW19->SW14->SW13->Directional couple
Device->SW12->SW11->SW9->SW1->Attenuator.
Wherein, it is described to receive descending test signal and send descending test signal to detecting signal unit, including：
The descending test signal of the first kind is got at target test equipment by the 3rd attenuator, opened by least one
The descending test signal of the first kind is sent to the 4th attenuator and decayed by the link that pass device is gated, after decay
The descending test signal of the first kind is sent to detecting signal unit.The descending test signal of the first kind can be for carrying out transmitting work(
Rate, the descending test signal of EVM, ACLR test, the 3rd attenuator can be identical or different with the first or second attenuator, according to
Actual conditions are configured, and here without restriction, for example referring to Fig. 2, are specially：DUT connects attenuator, and frequency spectrograph connects SW22's
Output, signal stream are：Signal source->Attenuator 1->SW1->SW9->SW11-SW12->SW14->SW19->SW20->Attenuator-
>SW21->SW22->Frequency spectrograph.
Or
The descending test signal of second class is got at target test equipment by the 5th attenuator, opened by least one
The link that device is chosen is closed, the descending test signal of the second class is sent to bandstop filter and is filtered, by filtered the
The descending test signal of two classes is sent to detecting signal unit.The descending test signal of second class can be to carry out spuious test
Descending test signal, referring to Fig. 2, it is specially：DUT connects attenuator, and frequency spectrograph connects SW22 output, and signal stream is：Signal source->
Attenuator 1->SW1->SW9->SW11-SW12->SW14->SW19->SW20->Bandstop filter->SW21->SW22->Frequency spectrum
Instrument.
Methods described also includes：Signal generating unit receives at least one test event and its match somebody with somebody that control unit sends
Put parameter；The signal generating unit is according to the configuration parameter configuration test mode and test frequency, according to the survey of configuration
Die trial formula and the test frequency generation first kind or the up test signal of the second class；The signal generating unit is by the first kind or
The up test signal of two classes is sent to target test equipment by link management unit.
Methods described also includes：At least one test event and its configuration that detecting signal unit reception control unit is sent
Parameter；Detecting signal unit carries out test pattern according to the configuration parameter and tests the configuration of frequency, from link management list
First place receives the first kind or the descending test signal of the second class that target test equipment is sent, and according to the test pattern of configuration with
And test frequency is tested to obtain the inspection for descending test link for the first kind or the descending test signal of the second class
Survey result.
Described control unit control signal test cell and signal generating unit carry out calibration process, obtain and preserve letter
The calibration result of number test cell and signal generating unit.Further, described control unit is established with target test equipment
Connect, and enter the interaction of row information according to default communication format.For example referring to Fig. 4, target test equipment can be base
Stand, when wherein control unit establishes connection with target test equipment (base station), UDP can be used to initiate broadcast, work as reception
To base station feedback IP and port numbers when determine to the base station initiate TCP connection requests, base station according to TCP connection requests establish connect
The backward control unit feedback TCP successful connection information connect；Afterwards, control unit is based on default communication format and base station progress
The interaction of information, specific information format may refer to following table 1, specifically, TCP exactly included in TCP message
Packet content, and head byte content corresponding to each TCP data bag, wherein, head byte content can be in TCP data bag
The type identification of appearance.
Further, referring further to Fig. 4, when control unit needs to terminate test, end can be sent to base station and referred to
Order, base station is according to the connection between END instruction disconnection and control unit.
Table 1
Based on the signal test system of above-mentioned offer, as shown in fig. 7, the present embodiment carries out specific test scene description,
Environmental structure is carried out first, includes building for hardware and software environment：Get out the instrument and meter (frequency of correlation
Spectrometer, signal source, interference source), link management unit (switch-box), target test equipment (such as TD-LTE RRU), control list
Member, such as industrial computer or computer, complete the connection of correlation.Automatic test program is installed on industrial computer simultaneously.
Test environment is calibrated：System is calibrated；And calibration value is preserved in test program.
Formulate test-schedule, wherein, the test plan content includes, test event, test event execution sequence and
Parameter of test event etc..The parameter of test event includes：Test pattern, test frequency, TCH test channel etc..Test descending finger
Mark：For each different ETM descending tested entries, all power consumption, transmission power, EVM, ACLR, spuious index are recorded simultaneously；
For upper row index：In measurement sensitivity, ACS, during the upper row index such as obstruction, ensure the descending also in normal transmission of base station, together
Shi Jilu power consumptions, transmission power, EVM, ACLR, spuious index；
Perform automatic test：The test event issued by described control unit, energy control base station and/or signal source,
Interference source, frequency spectrograph carry out automatic test：Pass through specific automatization test system and base station programmable interface agreement, automation
Test program interacts with base station equipment, gives base station transmitting order to lower levels, base station to be automatically configured after receiving order as corresponding
Test pattern.Note：Pass through the interaction of these instructions for providing form, you can realize automatic test software and base station equipment
Communicate (such as referring to table 1).
Described control unit inquiry in-line meter carries out instrument initialization, and then programme-controlled instrument performs survey according to test-schedule
Try and record test result.If exception occurs in test process or drops by the wayside, the continuous survey of breakpoint may be selected.Note：Rule are tested when exiting
Drawing and completed the test result of test item can retain automatically.
Generate test report：Test result file is chosen, test report can be automatically generated by clicking on " generation report ".
In base station radio-frequency index test, descending test and two major classes of up test are broadly divided into.Descending test is mainly tested
Demonstrate,prove the big signal quality of this communication system and correspondence with foreign country system produces interference less as far as possible, this communication is mainly verified in up test
The minimal communications level that system can receive, and the antijamming capability of correspondence with foreign country system.
RF index is all association, and other indexs can be influenceed afterwards by generally adjusting a certain index, for same hardware
Equipment, relation is as follows between each index：
Transmission power uprises, and can cause：EVM deteriorates, and ACLR first optimizes and deteriorated again, power consumption increase；Band stray deteriorates；
Transmission power is constant, and peak-to-average force ratio uprises, and can cause：EVM is lifted, power consumption increase；
Transmission power is constant, power consumption increase, can cause：EVM is lifted, ACLR liftings；Band stray optimizes；
Sensitivity step-down, it can cause：Antijamming capability is lifted；
Therefore a set of testing scheme is devised in the present embodiment, weigh each index while can be effectively, reach as follows
Purpose：Influencing each other between each index can be accurately verified, intuitively observes that a certain RF index becomes
After change, the situation of change of remaining index of correlation；The integration capability of base station equipment can be verified, i.e., base station is in normally work shape
Under state, while all indexs are tested out, rather than test the optimal value of each index respectively.
Base station radio-frequency indication test method flow is as follows：
For downstream signal：Under different standard test patterns, at the same monitor power consumption, transmission power, peak-to-average force ratio, EVM,
These indexs of ACLR, band stray；For upward signal：Monitor power consumption, sensitivity, ACS, these indexs simultaneously.On and
The test of downstream signal is carried out simultaneously.
It can be seen that by using such scheme, the life of test event and its corresponding configuration parameter is carried out by control unit
Into, and by sending test event and its control of corresponding configuration parameter to target test equipment and/or signal generating unit
The generation and generation of up test signal and descending test signal are carried out, is finally examined according to target test equipment and signal
The testing result for surveying unit determines to be directed to up and/or downlink at least one index parameter.In this way, improve for mesh
The testing efficiency of test equipment is marked, and directly carries out multiple index ginsengs without the adjustment of parameter when due to being tested
Several acquisitions so as to not only ensure that testing efficiency can also the more accurate consersion unit that be really performance, improve test knot
The accuracy of fruit.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on such understanding, technical scheme is substantially done to prior art in other words
Going out the part of contribution can be embodied in the form of software product, and the computer software product is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, computer, clothes
Be engaged in device, air conditioner, or network equipment etc.) perform method described in each embodiment of the present invention.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
- A kind of 1. signal test system, it is characterised in that including：Control unit, for generating at least one test event and its configuration parameter, wherein, the configuration parameter of the test event Including at least test frequency and TCH test channel；At least one test event and its configuration parameter are at least sent to target Test equipment, and/or, at least one signal generating unit；Receive the target test equipment feedback is directed to up test The testing result of link, and/or receive the detection knot for descending test link of at least one detecting signal unit feedback Fruit, at least one index parameter, and/or pin for up test link are determined based on each testing result received To at least one index parameter of descending test link；Link management unit, for establishing at least one up test link and/or establishing at least one descending test link, lead to The up test link connection target test equipment and at least one signal generating unit are crossed, passes through the descending test chain Road linking objective test equipment and at least one detecting signal unit.
- 2. signal test system according to claim 1, it is characterised in thatDescribed control unit, it is additionally operable to the test event and its configuration parameter being sent to link management unit；Accordingly, the link management unit, specifically at least one test event for being sent according to described control unit and its TCH test channel in configuration parameter, establish at least one up test link and/or establish at least one descending test link.
- 3. signal test system according to claim 2, it is characterised in that the link management unit includes：Isolator, Combiner, attenuator, directional coupler, bandpass filter, bandstop filter, derailing switch；The link management unit, row test signal is concurrently served to target test equipment for receiving up test signal；Tool Body includes：The up test signal of the first kind is got from signal generating unit by combiner, by least one derailing switch by first The up test signal of class is transmitted to isolator progress signal isolation, is filtered by bandpass filter, will be completed after filtering The oriented coupler of the up test signal of the first kind and the first attenuator send to target test equipment；OrUp test signal is subjected to signal by amplifier after getting the up test signal of the second class from signal generating unit Amplification, the up test signal of the second class after amplification is filtered by bandstop filter, by the second class after after filtering Up test signal is sent to attenuator via at least one derailing switch, by the second attenuator by the up test signal of the second class Sent after being decayed to target test equipment；The link management unit, for receiving descending test signal and sending descending test signal to detecting signal unit；Tool Body includes：The descending test signal of the first kind is got at target test equipment by the 3rd attenuator, by least one derailing switch The descending test signal of the first kind is sent to the 4th attenuator and decayed by the link gated, by first after decay The descending test signal of class is sent to detecting signal unit；OrThe descending test signal of second class is got at target test equipment by the 5th attenuator, by least one derailing switch The link of selection, the descending test signal of the second class is sent to bandstop filter and is filtered, by filtered second class Descending test signal is sent to detecting signal unit.
- 4. signal test system according to claim 1, it is characterised in that the system also includes：Signal generating unit, for receiving at least one test event and its configuration parameter that control unit is sent, according to institute State configuration parameter configuration test mode and test frequency, according to the test pattern of configuration and test frequency generation the first kind or The up test signal of second class, and the first kind or the up test signal of the second class are sent to target by link management unit and surveyed Try equipment.
- 5. according to the signal test system described in claim any one of 1-4, it is characterised in that the system also includes：Detecting signal unit, for receiving at least one test event and its configuration parameter that described control unit is sent, according to The configuration parameter carries out test pattern and tests the configuration of frequency, and target test equipment is received at link management unit The first kind or the descending test signal of the second class sent, and it is directed to described first according to the test pattern and test frequency of configuration Class or the descending test signal of the second class are tested to obtain the testing result for descending test link；Accordingly, described control unit, it is additionally operable to send at least one test event and its configuration parameter to detecting signal unit； Wherein, test pattern is also included in the configuration parameter.
- 6. a kind of signal testing method, it is characterised in that methods described includes：Control unit generates at least one test event and its configuration parameter, wherein, the configuration parameter of the test event is at least Including test frequency and TCH test channel；Described control unit at least by least one test event and its configuration parameter be sent to target test equipment and/ Or, at least one signal generating unit；Link management unit establishes at least one up test link and/or establishes at least one descending test link, passes through institute Up test link connection target test equipment and at least one signal generating unit are stated, is connected by the descending test link Connect target test equipment and at least one detecting signal unit；Described control unit receives the testing result for up test link of the target test equipment feedback, and/or Receive the testing result for descending test link of at least one detecting signal unit feedback；Based on each institute received Testing result is stated to determine at least one index parameter of up test link, and/or for descending test link at least One index parameter.
- 7. according to the method for claim 6, it is characterised in that methods described also includes：The test event and its configuration parameter are sent to link management unit；Survey at least one test event and its configuration parameter that the link management unit is sent according to described control unit Ping, establish at least one up test link and/or establish at least one descending test link.
- 8. according to the method for claim 7, it is characterised in that the link management unit is sent according to described control unit At least one test event and its configuration parameter in TCH test channel, establish at least one up test link and/or foundation At least one descending test link, including：Up test signal is received concurrently to serve row test signal to target test equipment, and/or receive descending test signal simultaneously Descending test signal is sent to detecting signal unit；Wherein, the up test signal of reception concurrently serves row test signal to target test equipment, including：The up test signal of the first kind is got from signal generating unit by combiner, by least one derailing switch by first The up test signal of class is transmitted to isolator progress signal isolation, is filtered by bandpass filter, will be completed after filtering The oriented coupler of the up test signal of the first kind and the first attenuator send to target test equipment；Or up test signal carried out by amplifier after from signal generating unit getting the up test signal of the second class Signal amplifies, and the up test signal of the second class after amplification is filtered by bandstop filter, by the after after filtering The up test signal of two classes is sent to attenuator via at least one derailing switch, by the second attenuator by the up test of the second class Signal is sent to target test equipment after being decayed；Wherein, it is described to receive descending test signal and send descending test signal to detecting signal unit, including：The descending test signal of the first kind is got at target test equipment by the 3rd attenuator, by least one derailing switch The descending test signal of the first kind is sent to the 4th attenuator and decayed by the link gated, by first after decay The descending test signal of class is sent to detecting signal unit；OrThe descending test signal of second class is got at target test equipment by the 5th attenuator, by least one derailing switch The link of selection, the descending test signal of the second class is sent to bandstop filter and is filtered, by filtered second class Descending test signal is sent to detecting signal unit.
- 9. according to the method for claim 6, it is characterised in that methods described also includes：Signal generating unit receives at least one test event and its configuration parameter that control unit is sent；The signal generating unit is according to the configuration parameter configuration test mode and test frequency, according to the test mould of configuration Formula and the test frequency generation first kind or the up test signal of the second class；The first kind or the up test signal of the second class are sent to target and surveyed by the signal generating unit by link management unit Try equipment.
- 10. according to the method described in claim any one of 6-9, it is characterised in that methods described also includes：At least one test event and its configuration parameter that detecting signal unit reception control unit is sent；Detecting signal unit carries out test pattern according to the configuration parameter and tests the configuration of frequency, from link management unit Place receives the first kind or the descending test signal of the second class that target test equipment is sent, and according to the test pattern of configuration and Test frequency is tested to obtain the detection for descending test link for the first kind or the descending test signal of the second class As a result.
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