CN104811253B - Wireless composite tester - Google Patents
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- CN104811253B CN104811253B CN201510111149.1A CN201510111149A CN104811253B CN 104811253 B CN104811253 B CN 104811253B CN 201510111149 A CN201510111149 A CN 201510111149A CN 104811253 B CN104811253 B CN 104811253B
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- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 238000012360 testing method Methods 0.000 claims abstract description 103
- 238000006243 chemical reaction Methods 0.000 claims description 9
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- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 238000010200 validation analysis Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
A kind of wireless composite tester, including test circuit, test circuit include main control unit and by main control unit control work or the business module tested, and business module includes test module, and test module includes：Transmitter unit module and receiving unit module, transmitter unit module, receiving unit module are independently arranged and are provided with one or more, the testing time ratio, corresponding proportional setting between receiving unit and transmitter unit of the transmitter unit module to receiving unit module according to part to be measured；Above-mentioned wireless composite tester is by the testing time ratio between receiving unit and transmitter unit of the transmitter unit module to receiving unit module according to part to be measured, corresponding proportional setting, and one or more are independently set, flexibly configure the quantitative proportion of transmitter unit module and receiving unit module to realize testing efficiency maximization and capacity utilization maximum so as to the transmitter unit testing time different from receiving unit according to different parts to be measured.
Description
Technical field
The present invention relates to a kind of wireless test instrument, more particularly to a kind of wireless composite tester.
Background technology
Comprehensive tester is the multiple function apparatus for integrating various radio frequency instruments and conventional electrical measuring instrument function.It is comprehensive
Close tester and would generally be integrated with cymometer, energy meter, radio-frequency signal generator, audio signal generator, modulation meter, Xin Na
Than conventional funcs such as instrument, digital voltmeter, distortion factor meters, some also have audiofrequency spectrometer, oscillograph, receiver, tracking signal source,
The functions such as signalling analysis, anolog base station, special test pattern.
Existing wireless test instrument internal is typically with the circuit of a set of Tx+Rx, with the progress of technology, integrated level
Raising, some wireless test instruments are put into the such instrument of two sets of Tx+Rx to have radio function to two on the spot
The wireless module of equipment tested, but general a set of Tx and Rx is generally arranged in pairs, and the TRx of complete setting
（Transmit-Receive Unit）It is individually independent, two sets of TRx（Transmit-Receive Unit）Between without associate.Due to Tx with the Rx test job times not
Together, generally the utilization rate of Rx and Tx is different, such as Rx（Receive receiving units）The time for using can be Tx（
Transmit transmitter units）Several times, Rx will be caused in this case when testing（Receive receiving units）
Circuit is not enough, and Tx（Transmit transmitter units）Some time is all idle again.And wireless test instrument one
As it is all very expensive, the utilization rate for improving testing efficiency and wireless test instrument is the thing that manufacturer is concerned about the most.
When such as testing to the wifi module of certain wireless-enabled device, DUT（Device under testing are treated
Survey part）Tx to calibrate power accuracy, generally calibrate well several power grades, and DUT（device under testing
Part to be measured）Rx need not then calibrate, only need validation test, and the time generally calibrated be several times of test, such nothing
The utilization rate of the Tx modules of line test instrunment will be than relatively low（The Rx modules of wireless test instrument are used during the Tx of test DUT,
The Tx modules of wireless test instrument are used during the Rx of test DUT）；Wifi is not only, for other wireless systems such as 2G, 3G, 4G
Although formula Tx and Rx need to be calibrated, time difference is also larger.Rx calibrations such as DUT take 7s, and Tx then needs
41s, that means that the Tx of the 85% time wireless test instrument within the test monocycle is idle.
The content of the invention
Based on this, it is necessary to provide a kind of wireless composite tester that can improve testing efficiency.
A kind of wireless composite tester, including：Test circuit, the test circuit include：Main control unit and by the master
Control unit control work or the business module tested, the business module include：The test being connected with the main control unit
Module, the test module include：The transmitter unit module tested by main control unit control and receiving unit module,
The transmitter unit module, receiving unit module are independently arranged and are provided with one or more, the transmitter unit module
To the testing time ratio between receiving unit and transmitter unit of the setting quantity of receiving unit module according to part to be measured, it is corresponding into
Ratio setting.
In a preferred embodiment, the business module also includes：With the transmitter unit module and receiving unit module
Connection, and by transmitter unit module or receiving unit module switching be connected to different parts to be measured, to survey to different parts to be measured
The switch handover module of examination.
In a preferred embodiment, test mode or idle feelings of the switch handover module according to transmitter unit module
The switching of transmitter unit module is connected to the reception list of different parts to be measured by the test case of the receiving unit of condition and part to be measured
Unit is tested.
In a preferred embodiment, test mode or idle feelings of the switch handover module according to receiving unit module
The switching of receiving unit module is connected to the transmitting list of different parts to be measured by the test case of the transmitter unit of condition and part to be measured
Unit is tested.
In a preferred embodiment, the main control unit detects transmitter unit module and leaves unused or the reception list to part to be measured
Unit's test is completed, then the transmitter unit module switching is connected to connecing for another part to be measured to be measured by controlling switch handover module
Receive unit to be tested；The main control unit detects that receiving unit module is idle or transmitter unit of to part to be measured has been tested
Into then the transmitter unit that the receiving unit module switching is connected to opposite side part to be measured to be measured is entered by controlling switch handover module
Row test.
In a preferred embodiment, the quantity ratio between the transmitter unit module and receiving unit module is：Will be to be measured
Testing time between the receiving unit of part and transmitter unit is than round-off than arranging.
In a preferred embodiment, the transmitter unit module includes：The host interface that is connected with the main control unit and
According to signal trend set gradually baseband module, D/A converter module, RF up-converter module, RF front-end circuit.
In a preferred embodiment, the receiving unit module includes：According to the radio-frequency front-end that signal flow direction sets gradually
Circuit, radio frequency down-conversion module, analog-to-digital conversion module, baseband module and the host interface being connected with the main control unit.
In a preferred embodiment, the transmitter unit module or receiving unit module or switch handover module are set to
Standard modular structure, the standard modular structure configure compatibility interface；The quantity of the part to be measured tested is accessed simultaneously
Configured with the sum of transmitter unit module according to the receiving unit module of configuration.
In a preferred embodiment, also including the cabinet housing for loading the test circuit, the cabinet housing also sets up
There are backboard, the transmitter unit module or receiving unit module or switch handover module to be connected with main control unit by backboard.
In a preferred embodiment, also including the module mounting frame being installed in cabinet housing, the business module is arranged
For standard modular structure, the business module and the layering mounting structure that the module mounting frame is drawer type.
In a preferred embodiment, the cabinet housing cavity is provided with the first cavity, the second cavity being disposed adjacent, institute
State backboard and the module mounting frame is installed in second cavity, the main control unit is arranged in first cavity.
Above-mentioned wireless composite tester passes through the reception list of transmitter unit module and receiving unit module according to part to be measured
Unit and the testing time ratio between transmitter unit, corresponding proportional setting, and transmitter unit module, receiving unit module are only respectively
Erect and put and be provided with one or more, so as to the transmitter unit testing time spirit different from receiving unit according to different parts to be measured
Living configures the quantitative proportion of transmitter unit module and receiving unit module to realize testing efficiency maximization and capacity utilization
Maximum.
Description of the drawings
Functional block diagram part-structure schematic diagrams of the Fig. 1 for the wireless composite tester of one embodiment of the invention；
Part-structure schematic diagrams of the Fig. 2 for the wireless composite tester of one embodiment of the invention；
Functional blocks of the Fig. 3 for the part-structure of the switch handover module of the wireless composite tester of one embodiment of the invention
Figure；
Functional blocks of the Fig. 4 for the part-structure of the transmitter unit module of the wireless composite tester of one embodiment of the invention
Figure；
Functional blocks of the Fig. 5 for the part-structure of the receiving unit module of the wireless composite tester of one embodiment of the invention
Figure；
Fig. 6 tests the functional block that the part-structure being connected is tested with part to be measured for the wireless composite of one embodiment of the invention
Figure；
Fig. 7 carries out many DTU testing times burst figures for the wireless composite tester of one embodiment of the invention.
Specific embodiment
As shown in Figures 1 and 2, the wireless composite tester 100 of one embodiment of the invention, including：Test circuit 20.Test
Circuit 20 includes：Main control unit 22, and the business module 24 that controlled work or tested by main control unit 22.Business module 24
Including：Be connected with main control unit 22, and the test module tested by the main control unit 22 control.Test module includes：With
Main control unit 22 connects, and the transmitter unit module 242 tested by the control of main control unit 22 and receiving unit module
244.The business module of the present embodiment includes different function service modules, to meet different test needs or realize different
Function.
The transmitter unit module 242 of one embodiment of the invention, receiving unit module 244 are independently arranged, and according to survey
Examination needs to be provided with one or more.Further, the transmitter unit module 242 and 244 basis of receiving unit module of the present embodiment
The receiving unit of part to be measured（Rx）With transmitter unit（Tx）Between testing time than corresponding proportional setting.The survey of the present embodiment
The examination time is the to-be-measured cell such as receiving unit to a certain part to be measured（Rx）Or transmitter unit（Tx）The monocycle is tested at one whole
Spent all times during individual test job, including test job time, prover time, validation test time.
Preferably, the quantity ratio between the transmitter unit module 242 of the present embodiment and receiving unit module 244 is according to be measured
The receiving unit of part（Rx）With transmitter unit（Tx）Between testing time liken to corresponding proportion arrange.Further, preferably originally
The receiving unit of the quantity ratio between the transmitter unit module 242 of embodiment and receiving unit module 244 and part to be measured（Rx）With
Transmitter unit（Tx）Between testing time ratio be set to it is the same.
It is further preferred that the quantity ratio between the transmitter unit module 242 of the present embodiment and receiving unit module 244
For：By DUT（Part to be measured）60 receiving unit（Rx）With transmitter unit（Tx）In testing time it is relatively long with test when
Between relatively short testing time ratio be rounding to ratio of integers setting.The Tx of part even to be measured（Transmitter unit）With Rx（Receive
Unit）Between testing time ratio be 3.4, then quantity between receiving unit module 244 and transmitter unit module 242 is than arranging
For 3.If the Tx of part to be measured（Transmitter unit）With Rx（Receiving unit）Between testing time ratio be 3.6, then receiving unit module
Quantity ratio between 244 and transmitter unit module 242 is set to 4.
In this explanation, transmitter unit module is also referred to as Tx modules 242, and receiving unit module is also referred to as Rx modules 244.
The test DUT of wireless composite tester 100 of the present embodiment（Part to be measured）60 Tx（Transmitter unit）When use
The Rx modules 244 of wireless composite tester 100；Test DUT（Part to be measured）60 Rx（Receiving unit）When, use without twine helad
Close the Tx modules 242 of tester 100；Due to the Tx of part to be measured（Transmitter unit）And Rx（Receiving unit）Use time ratio not
Together, the wireless composite test of 3 times of the testing time that the testing time and Rx that such as Tx of part to be measured expends needs, i.e. the present embodiment
The Rx modules of instrument 100 using time be 3 times of Tx modules, so as to the wireless composite tester 100 of the present embodiment configures 3 Rx
Module and 1 Tx module.In order to further improve testing efficiency, in the present embodiment, according to Tx modules 242 and the Rx modules of configuration
The DUT tested simultaneously by 244 sum configuration（Part to be measured）Quantity.Such as the configuration of wireless composite tester 100 3 of the present embodiment
Individual Rx modules and 1 Tx module, such that it is able to access 4 DUT simultaneously（Part to be measured）60 are tested simultaneously.
As shown in Fig. 1 to Fig. 3 and Fig. 6, further, the business module 24 of the present embodiment also includes：With transmitter unit module
242 and receiving unit module 244 connect, and transmitter unit module 242 or the switching of receiving unit module 244 be connected to difference and treat
Survey part, the switch handover module 80 to be tested to different parts to be measured.
Further, the switch handover module 80 of the present embodiment is according to transmitter unit module 242 or receiving unit module 244
The test case of test mode or idle situation and part to be measured, transmitter unit module 242 or receiving unit module 244 are switched
It is connected to different parts to be measured to be tested.
Further, test mode or idle feelings of the switch handover module 80 of the present embodiment according to transmitter unit module 242
The switching of transmitter unit module 242 is connected to the reception of different parts to be measured by the test case of the receiving unit of condition and part to be measured
Unit is tested.I.e. when the present embodiment wireless composite tester 100 arrange a certain transmitter unit module 242 to some
After the completion of the receiving unit test of part to be measured, 22 controlling switch handover module 80 of main control unit is switched by switch contact, should
The switching of transmitter unit module 242 is connected to the Rx of another part to be measured（Receiving unit）Tested.
Further, if the main control unit of the present embodiment 22 detects transmitter unit module 242 and leaves unused or to DUT（Part to be measured）
60 receiving unit（Rx）Test is completed, then the switching of transmitter unit module 242 is connected to another by controlling switch handover module 80
One DUT to be measured（Part to be measured）Receiving unit（Rx）Tested.If main control unit 22 detects receiving unit module 244
Leave unused or to DUT（Part to be measured）60 transmitter unit（Tx）Test is completed, then controlling switch handover module 80 is by the receiving unit
The switching of module 244 is connected to opposite side DUT to be measured（Part to be measured）60 transmitter unit（Tx）Tested.
Further, test mode or idle feelings of the switch handover module 80 of the present embodiment according to receiving unit module 244
Condition and DUT（Part to be measured）60 Tx（Transmitter unit）Test case, by receiving unit module 244 switching be connected to it is different
DUT（Part to be measured）60 Tx（Transmitter unit）Tested.Wireless composite tester 100 such as the present embodiment configures 3 Rx moulds
Block and 1 Tx module, so as to can access 4 DUT simultaneously（Part to be measured）60 are tested simultaneously, and 22 controlling switch of main control unit is cut
Mold changing block 80 is switched to and is connected to the upper DUT of 4 different radio frequencies interface RF1, RF2, RF3, RF4（Part to be measured）60 are tested.
As shown in figure 4, further, in the present embodiment, reflector element module is that Tx modules 242 include：With main control unit 22
The host interface 2422 of connection, and according to signal baseband module 2424, digital-to-analogue conversion (DAC) module that sets gradually of trend
2426th, RF up-converter module 2428, RF front-end circuit 2429.RF front-end circuit 2429 connects radio frequency（RF）Interface.
As shown in figure 5, further, in the present embodiment, receiving unit module is that Rx modules 244 include：Flowed to according to signal
The RF front-end circuit 2449 that sets gradually, radio frequency down-conversion module 2448, analog digital conversion (ADC) module 2446, baseband module
2444th, and with main control unit 22 host interface 2442 being connected.RF front-end circuit 2449 connects radio frequency（RF）Interface.
Baseband module 2424 or baseband module 2444 are Baseband information sources（Information source, also referred to as transmitting terminal）What is sent does not have
Have through modulation（Carry out frequency spectrum shift and conversion）The intrinsic frequency band of raw electrical signal（Frequency bandwidth）, also referred to as basic frequency
Band.
RF front-end circuit includes：Amplifier, wave filter, converter and some radio frequencies connect and match circuit.
In order to can be with flexible configuration, the reflector element module of the present embodiment be Tx modules 242 or receiving unit module i.e. Rx
Module 244, or switch handover module 80 be set to standard modular structure, will reflector element module be Tx modules 242 or connect
Receive unit module be Rx modules 244, or switch handover module 80 size arrange on be consistent, with facilitate installation and more
Change.Further, the standard modular structure configuration compatibility interface of the present embodiment, flexibly to be configured according to test request.
The wireless composite tester 100 of the present embodiment also includes the cabinet housing 50 for loading test circuit 20.Cabinet housing
Backboard 52 is provided with 50.Transmitter unit module is Tx modules 242 or receiving unit module i.e. Rx modules 244, or switch switching
Module 80 is connected with main control unit 22 by backboard 52.
Further, in order to standard can be set to flexible configuration different business module 24, the business module 24 of the present embodiment
Modular construction, miscellaneous service module are consistent such as planar dimension size, interface holding compatibility in size.For side
Just install and change difference in functionality module, the present embodiment is preferred, the groove position interface of each business module 24 is set to the same.
Further, the wireless composite tester 100 of the present embodiment also includes：The mould being installed in the cavity of cabinet housing 50
Block installing rack 54.It is drawer type mounting structure between business module 24 and module mounting frame 54.Module mounting frame 54 is layering frame
Frame structure, business module 24 are set to standard modular structure, and the layering drawing and pulling type of different business module 24 is loaded in module installation
On frame 54.
Further, 50 inner chamber of cabinet housing of the present embodiment is provided with the first cavity 53, the second cavity 55 being disposed adjacent.
Main control unit 22 is separated with business module 24 and is respectively provided with the first cavity 53, the second cavity 55.Backboard 52 and module mounting frame
54 are installed in the second cavity 55.Main control unit 22 is arranged in the first cavity 53.
When the wireless composite tester 100 of the present embodiment is tested, such as with certain standard, in a test period
The time that Rx modules 244 are used is 3 times of Tx modules 242, and Rx modules 244 are separately independently arranged with Tx modules 242, wireless composite
Tester 100 configures 3 Rx modules such as RX1, RX2, RX3 and 1 i.e. TX1 of Tx modules 242, the switching of 22 controlling switch of main control unit
Module 80 is switched to 4 ports to be connected on 4 different parts to be measured.The switch handover module 80 of the present embodiment is by master control
Unit 22 controls any one test module in the multiple Rx modules 244 or Tx modules 242 for arranging to be connected to any one and connect
Enter the interface of part to be measured.As shown in fig. 7, when streamline is tested, in figure, transverse axis represents the testing time, in the dotted line of longitudinal direction
Between then indicate that several DUT are tested at the same time through several solid box, Tx modules such as TX1 and the three Rx modules point for arranging
Not Wei RX1, RX2, RX3, except a cycle started in streamline occur it is idle in addition to, in whole streamline running
In all fully can use；The dotted line of longitudinal direction can all pass through 4 solid box after a cycle, that is, represent in whole flowing water
There are 4 DUT to test at the same time in line operation.4 DUT different from 4 radio frequency interface RF1, RF2, RF3, RF4 connections.It is main
Control unit controlling switch handover module is switched to different radio frequency interface, so as to some test module connection is switched to difference
DUT is tested.As shown in fig. 6, the DTU of the present embodiment can be connected with main control unit by PC, main control unit will can be tested
Data or result are transferred to PC and are processed and recorded, or carry out the later stage process of data, and can be shown by PC
Record.
Transmitter unit and receiving unit needs different testing times of the present invention for part to be measured, so as to wireless composite is surveyed
Examination instrument 100 is different than the test module that arranges different ratio according to the transmitter unit of part to be measured and the testing time of receiving unit
Quantity Rx modules 244 and Tx modules 242, so as to pass through flexibly to configure the quantitative proportion of Rx modules 244 and Tx modules 242
To realize that testing efficiency is maximized and capacity utilization maximum.
First cavity 53 of the cabinet housing 50 of the wireless composite tester 100 of the present embodiment is master control region, is mainly put
Main control unit 22 is put, is responsible for the condition monitoring of whole instrument, control and scheduling of resource and the communication with outside, can also be processed industry
The data that business module transfer comes.Second cavity 55 of cabinet housing 50 is service area, mainly installs business module.Business mould
Block mainly includes：Rx modules 244, Tx modules 242, and switch handover module 80.The business module and main control unit of the present embodiment
22 are interconnected by backboard, and the groove position interface of each business module is both configured to equally, and miscellaneous service module dimensionally keeps one
Cause, interface keeps compatible, thus can flexibly configure different business modules；So that business module standardization so that
Being capable of the different business module of flexible configuration.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of wireless composite tester, including：Test circuit, it is characterised in that the test circuit includes：Main control unit,
And by the main control unit control work or the business module tested, the business module includes：With the main control unit
The test module of connection, the test module include：By the main control unit transmitter unit module tested of control with connect
Unit module is received, the transmitter unit module, receiving unit module independently arrange and be provided with one or more, according to treating
The testing time ratio surveyed between the receiving unit and transmitter unit of part, accordingly proportionally arranges the transmitter unit module and connects
Receive unit module and quantity is set.
2. wireless composite tester according to claim 1, it is characterised in that the business module also includes：With it is described
Transmitter unit module and the connection of receiving unit module, and transmitter unit module or the switching of receiving unit module are connected to difference and treat
Survey switch handover module of the part to be tested to different parts to be measured.
3. wireless composite tester according to claim 2, it is characterised in that：The switch handover module is single according to transmitting
The test case of the receiving unit of the test mode of element module or idle situation and part to be measured, the switching of transmitter unit module is connected
The receiving unit for being connected to different parts to be measured is tested.
4. wireless composite tester according to claim 2, it is characterised in that：The switch handover module is single according to receiving
The test case of the transmitter unit of the test mode of element module or idle situation and part to be measured, the switching of receiving unit module is connected
The transmitter unit for being connected to different parts to be measured is tested.
5. wireless composite tester according to claim 2, it is characterised in that the main control unit detects transmitter unit
Module is idle or receiving unit test of to part to be measured is completed, then transmitter unit module switching is connected by controlling switch handover module
The receiving unit for being connected to another part to be measured to be measured is tested；The main control unit detect receiving unit module it is idle or
Transmitter unit test to part to be measured is completed, then the receiving unit module switching is connected to opposite side by controlling switch handover module
The transmitter unit of part to be measured to be measured is tested.
6. the wireless composite tester according to claim 1 to 5 any one, it is characterised in that the transmitter unit mould
Quantity ratio between block and receiving unit module is：By the testing time ratioization between the receiving unit of part to be measured and transmitter unit
Arrange into ratio of integers.
7. the wireless composite tester according to claim 1 to 5 any one, it is characterised in that the transmitter unit mould
Block includes：The host interface being connected with the main control unit and the baseband module set gradually according to signal trend, digital-to-analogue conversion
Module, RF up-converter module, RF front-end circuit；The receiving unit module includes：Set gradually according to signal flow direction
RF front-end circuit, radio frequency down-conversion module, analog-to-digital conversion module, baseband module and the master control being connected with the main control unit
Interface.
8. the wireless composite tester according to claim 1 to 5 any one, it is characterised in that the transmitter unit mould
Block or receiving unit module or switch handover module are set to standard modular structure, and the standard modular structure configuration is simultaneous
Hold interface；The quantity for accessing the part to be measured tested simultaneously is total with transmitter unit module according to the receiving unit module of configuration
Number is configured.
9. wireless composite tester according to claim 8, it is characterised in that：Also include loading the machine of the test circuit
Tank shell, the cabinet housing are additionally provided with backboard, the transmitter unit module or receiving unit module or switch handover module
It is connected with main control unit by backboard.
10. wireless composite tester according to claim 9, it is characterised in that also including being installed in cabinet housing
Module mounting frame, the business module are set to standard modular structure, and the business module is to take out with the module mounting frame
The layering mounting structure of drawer formula；The cabinet housing cavity is provided with the first cavity, the second cavity being disposed adjacent, the backboard
And the module mounting frame is installed in second cavity, the main control unit is arranged in first cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111149.1A CN104811253B (en) | 2015-03-13 | 2015-03-13 | Wireless composite tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111149.1A CN104811253B (en) | 2015-03-13 | 2015-03-13 | Wireless composite tester |
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| CN104811253A CN104811253A (en) | 2015-07-29 |
| CN104811253B true CN104811253B (en) | 2017-03-29 |
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| CN112098740A (en) * | 2020-07-21 | 2020-12-18 | 广州思成科技有限公司 | Intelligent comprehensive test instrument |
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| CN1805313A (en) * | 2005-11-21 | 2006-07-19 | 海信集团有限公司 | Quick parallel radio frequency test system and test method for mobile terminals |
| US8166340B2 (en) * | 2008-06-24 | 2012-04-24 | Litepoint Corporation | Apparatus and method for testing a communication circuit |
| CN101834680B (en) * | 2010-05-18 | 2014-02-05 | 中兴通讯股份有限公司 | Test method and system of mobile terminal |
| CN101945019A (en) * | 2010-09-09 | 2011-01-12 | 福建星网锐捷通讯股份有限公司 | Back-to-back cache testing method for equipment |
| CN103428051A (en) * | 2013-08-29 | 2013-12-04 | 普联技术有限公司 | System and method for testing communication devices |
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