CN101094430B - Calibrating run device and method for terminal in dual modes - Google Patents
Calibrating run device and method for terminal in dual modes Download PDFInfo
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- CN101094430B CN101094430B CN2007101227309A CN200710122730A CN101094430B CN 101094430 B CN101094430 B CN 101094430B CN 2007101227309 A CN2007101227309 A CN 2007101227309A CN 200710122730 A CN200710122730 A CN 200710122730A CN 101094430 B CN101094430 B CN 101094430B
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Abstract
The apparatus comprises: a RF instrument used for testing the terminal. Said terminal comprises two RF ports and a RF switch; one end of the RF switch is connected to the one of two RF ports; the other end of the RF switch is connected to the RF instrument. The invention used for realizing the automatic switchover between the calibration testing channels when making a calibration test of two systems.
Description
Technical field
The invention belongs to wireless terminal calibration, field tests, relate in particular to a kind of RF calibration, testing apparatus and method of dual-mode terminal.
Background technology
The bimodulus portable terminal device of Chu Xianing has GSM and PHS dual-mode terminal, CDMA and GSM dual-mode terminal, TD and GSM dual-mode terminal, WiFi and GSM dual-mode terminal etc. in the market, the terminal of these bimodulus technology can be used a terminal on different networks, satisfy the demand of user to different business.But the calibration of these dual-mode terminals, test substantially all adopt each pattern to take a set of equipment, dual-mode terminal just need take the testing equipment of two cover different mode radio-frequency (RF) index, increase testing cost, increased human cost, reduced calibration, testing efficiency.
With TD-SCDMA and GSM double-mode and double-standby terminal is example, this terminal is supported two kinds of standards (TD-SCDMA, GSM), the synchronization terminal can be under TD-SCDMA and two networks of GSM standby simultaneously, the user can enjoy the service of 3G network, can keep again and the seamlessly transitting of GSM network.This double-mode and double-standby terminal adopts the signal of two prevention at radio-frequency port transmitting-receiving different systems usually in order to increase by two kinds of isolations between the standard radiofrequency signal.In the research and development of TD-SCDMA and GSM double-mode and double-standby terminal, production process, need carry out RF calibration, test to the transmitting-receiving branch road of TD-SCDMA with the testing equipment of TD-SCDMA, with the testing equipment of GSM the transmitting-receiving branch road of GSM is carried out RF calibration, test.Its test process is generally as follows: (a) computer is controlled the test instrumentation of this terminal to be measured and TD-SCDMA (GSM) simultaneously, carries out the calibration and the test of TD-SCDMA (GSM) radio frequency parameter; (b) computer is controlled the test instrumentation of this terminal to be measured and GSM (TD-SCDMA) simultaneously, carries out the calibration and the test of GSM (TD-SCDMA) radio frequency parameter.
But above-mentioned existing testing scheme has following defectives:
After having surveyed a kind of standard, if artificial reconfiguration arrives the instrument of another kind of standard, it is too many to spend in the time of switching on the instrument like this, has increased the testing time, has influenced production efficiency; This calibration test method need be supported a kind of instrument and each one of the instrument of supporting another kind of standard of standard in addition, has increased the expense of test instrumentation.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of calibrated tester and calibration test method of dual-mode terminal, realizes the automatic switchover of the calibration testing passage of two kinds of standards of dual-mode terminal, improves testing efficiency.
In order to solve the problems of the technologies described above, the invention provides a kind of dual-mode terminal calibrated tester, described calibrated tester comprises RF instrumentation, terminal is carried out calibration testing, described terminal comprises two prevention at radio-frequency port, also comprises radio-frequency (RF) switch, and described radio-frequency (RF) switch one end and two prevention at radio-frequency port of described terminal are selected one be connected, the described radio-frequency (RF) switch other end is connected with described RF instrumentation, and described RF instrumentation can switch between two kinds of standards fast.
Further, also comprise logic control device, described logic control device is connected with described radio-frequency (RF) switch.
Preferably, described radio-frequency (RF) switch is the single-pole double-throw switch (SPDT) of level control.
Preferably, the comprehensive test instrument of described RF instrumentation between two kinds of standards, switching fast.
Further, also comprise all-purpose computer, described all-purpose computer is connected with described terminal, logic control device and described RF instrumentation respectively by data wire.
Further, also comprise test fixture, described test fixture one end is connected with described terminal, and the other end is connected with described all-purpose computer.
Further, also comprise two two-way output digital powers, be connected with described all-purpose computer that its output is connected with described terminal, test fixture and described logic control device respectively by data wire.
The present invention also provides a kind of dual-mode terminal calibration test method, said method comprising the steps of:
(1) radio-frequency (RF) switch one end is connected with the prevention at radio-frequency port of terminal to be measured, the other end is connected with RF instrumentation, and described RF instrumentation can switch between two kinds of standards fast;
(2) prevention at radio-frequency port of radio-frequency (RF) switch and described RF instrumentation and terminal to be measured is connected, described RF instrumentation is switched under a kind of standard, carry out calibration testing, as success, execution in step (3), otherwise failure is withdrawed from;
(3) another prevention at radio-frequency port of radio-frequency (RF) switch and described RF instrumentation and terminal to be measured is connected, described RF instrumentation is switched under the another kind of standard, carry out calibration testing.
Preferably, utilize logic control device control radio-frequency (RF) switch, and then the prevention at radio-frequency port of control RF instrumentation and terminal is connected.
Preferably, described RF instrumentation is a comprehensive test instrument.
Preferably, described radio-frequency (RF) switch is the single-pole double-throw switch (SPDT) of level control.
The automatic switchover of calibration testing passage when the calibrated tester of dual-mode terminal of the present invention and calibration test method can be realized two kinds of standard calibration testings, it is too many to have avoided artificial reconfiguration to spend in the time of switching on the instrument to the instrument of another kind of standard, reduce the testing time, increased production efficiency; The present invention utilizes comprehensive test instrument to realize the calibration and the test of two kinds of standards in addition, has reduced the expense of test instrumentation.
Description of drawings
Fig. 1 is the structural representation of dual-mode terminal calibrated tester of the present invention;
Fig. 2 is a dual-mode terminal calibration test method flow chart of the present invention;
Fig. 3 is an application example schematic diagram of dual-mode terminal calibration test method of the present invention;
Fig. 4 is the subsequent calibrations method flow diagram of application example shown in Figure 3.
Fig. 5 is the follow-up test method flow diagram of application example shown in Figure 3.
Embodiment
The automatic switchover of the test channel of two kinds of standards when the present invention utilizes radio-frequency (RF) switch to realize the dual-mode terminal detection calibration can be avoided the artificial problem that manual operations caused loses time, production efficiency is low of prior art.Simultaneously, the present invention utilizes comprehensive test instrument as test instrumentation, can realize the calibration and the test of two kinds of standards, has reduced the expense of test instrumentation.
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail:
With reference to shown in Figure 1, be the structural representation of dual-mode terminal calibrated tester of the present invention.The calibrated tester of dual-mode terminal of the present invention comprises:
One the cover radio-frequency (RF) switch 1 with and logic control device 2, by logic control device 2 control radio-frequency (RF) switch 1, realize the switching between the prevention at radio-frequency port RF3 of two prevention at radio-frequency port RF1 of dual-mode terminal 7 and RF2 and RF instrumentation 3, be used to terminal 7 that the radio frequency testing passage is provided.In the present invention, RF instrumentation 3 is a comprehensive test instrument.One end of radio-frequency (RF) switch 1 comprises two contacts, contact SW1 and contact SW2.Contact SW1 links to each other with the prevention at radio-frequency port RF1 of terminal 7 to be measured by radio frequency line, and contact SW2 links to each other with the prevention at radio-frequency port RF2 of terminal 7 to be measured by radio frequency line; The contact SW3 of radio-frequency (RF) switch 1 other end links to each other with the prevention at radio-frequency port RF3 of comprehensive test instrument 3 by radio frequency line.This comprehensive test instrument 3 has the test function of two kinds of standards, is used for the transmitting-receiving branch road of two kinds of standards is carried out RF calibration, test, and two kinds of standards can be switched fast.Comprehensive test instrument 3 is connected with all-purpose computer 5 by the GPIB cable.All-purpose computer 5 is provided with serial ports and at least one gpib interface card.The serial ports of all-purpose computer 5 is the RS232 serial ports, and this serial ports links to each other with test fixture 4 by data wire, and test fixture 4 is connected with terminal 7 by data wire.Like this, test fixture 4 can provide the conversion of the RS232 interface of all-purpose computer 5 to the UART interface of terminal 7, can realize that all-purpose computer 5 is to terminal 7 transmission control command and data.This calibrated tester also comprises two two-way output digital powers 61,62, connect described all-purpose computer 5 by the GPIB cable, wherein two-way output digital power 61 links to each other with terminal 7 and test fixture 4, is used to test fixture 4 to power and provides battery voltage signal Vbat for terminal 7; Two-way output digital power 62 is used for control logic control device 2, and then control radio-frequency (RF) switch 1 is carried out the switching of passage.Test fixture 4 provides charge power supply for terminal simultaneously.
The work of all-purpose computer 5 control comprehensive test instruments 3, all-purpose computer 5 is connected with two-way output digital power 61,62 by GPIB, be used to control suitable voltage and the electric current of two-way output digital power 61,62 outputs, and then control the switching of the passage of radio-frequency (RF) switch 1 by logic control device 2.Two-way output digital power 61 output two-way power supply OUT1 and OUT2, wherein OUT1 exports test fixture 4 to, and OUT2 exports terminal 7 to.Two-way output digital power 62 output two-way power supply OUT3 and OUT4 are to logic control device 2.
Described radio-frequency (RF) switch is SPDT (single-pole double throw) switch that uses level to control.
Actual when carrying out calibration testing, be terminal 7, test fixture 4 and logic control device 2 power supplies by all-purpose computer 5 control two-way output digital powers 61 and 62 earlier, by logic control device 2 control radio-frequency (RF) switch 1, switch to a kind of radio-frequency channel of standard, a prevention at radio-frequency port that is about to terminal 7 is connected with the prevention at radio-frequency port RF3 of comprehensive test instrument 3, carries out a kind of calibration and test of standard; After calibration that successfully finishes a kind of standard and test, the prevention at radio-frequency port RF3 that is controlled comprehensive test instrument 3 by the test program of all-purpose computer 5 is connected with another prevention at radio-frequency port of terminal 7, carries out the RF calibration and the test of another kind of standard.
With reference to shown in Figure 2, be dual-mode terminal calibration test method flow chart of the present invention.This method may further comprise the steps:
Step 201: radio-frequency (RF) switch one end is connected with the prevention at radio-frequency port of terminal to be measured, and the other end is connected with RF instrumentation;
Step 202 a: prevention at radio-frequency port of radio-frequency (RF) switch and RF instrumentation and terminal is connected, carried out calibration testing;
Step 203: judge whether calibration testing successful? as success, execution in step 204, otherwise failure is withdrawed from;
Step 204: another prevention at radio-frequency port of radio-frequency (RF) switch and RF instrumentation and terminal is connected, carried out calibration testing.
Wherein, utilize logic control device control radio-frequency (RF) switch, and then the control RF instrumentation is connected with the prevention at radio-frequency port of terminal.Described RF instrumentation is a comprehensive test instrument.Described radio-frequency (RF) switch is the single-pole double-throw switch (SPDT) of level control.
Come the present invention is carried out exemplary explanation below by the example in the concrete application:
With reference to shown in Figure 3, be an application example schematic diagram of dual-mode terminal calibration test method of the present invention, wireless terminal is calibrated, method of testing is as follows:
Step 301: setup test device;
Step 302: build test environment according to Fig. 1;
Step 303: connect test fixture and terminal to be measured;
Step 304: operation calibration testing software on PC;
Step 305: the input test type as the input calibration, then enters step 401 (shown in Figure 4) and continues to carry out; Input test then enters step 501 (shown in Figure 5) and continues to carry out.
With reference to shown in Figure 4, be the subsequent calibrations method flow diagram of application example shown in Figure 3.
Step 401: the calibration option of configuration software;
Step 402: beginning terminal calibration;
Step 403: the calibration option of initialization comprehensive test instrument;
Step 404: calibration procedure control two-way output digital power 61 is given test fixture and terminal power supply;
Step 405: calibration procedure control two-way output digital power 62 is to the logic control device power supply, and control comprehensive test instrument and radio-frequency (RF) switch SW switch to standard 1 (such as TD-SCDMA) radio-frequency channel;
Step 406: the RF calibration of beginning terminal standard 1 (such as TD-SCDMA), calibration item comprises ADC (battery calibration), AFC (automatic frequency calibration), APC (automated power calibration), AGC (automatic gain calibration) etc.;
Step 407: judge whether standard 1 calibration is successful, as success, execution in step 408; If for denying execution in step 412;
Step 408: the calibration data that writes standard 1 to terminal;
Step 409: calibration procedure control comprehensive test instrument and radio-frequency (RF) switch SW switch to standard 2 (such as GSM) radio-frequency channel;
Step 410: the calibration of beginning terminal standard 2 (such as GSM), calibration item comprises ADC (battery calibration), AFC (automatic frequency calibration), APC (automated power calibration), AGC (automatic gain calibration) etc.;
Step 411: judge whether standard 2 calibrations successful? calibrate successfully execution in step 413; If the calibration failure, execution in step 412;
Step 412: write calibration marker position information: calibration Fail; Finish.
Step 413: the calibration data that writes standard 2 to terminal;
Step 414: write calibration marker position information: calibration OK; Success finishes.
With reference to shown in Figure 5, be the follow-up test method flow diagram of application example shown in Figure 3.
Step 501: the test option of configuration software;
Step 502: beginning terminal test;
Step 503: the test option of initialization comprehensive test instrument;
Step 504: test program control two-way output digital power 61 is given terminal and test fixture power supply;
Step 505: test program control two-way output digital power 62 is to the logic control device power supply, and control comprehensive test instrument and radio-frequency (RF) switch SW switch to standard 1 (such as TD-SCDMA) radio-frequency channel;
Step 506: the radio frequency testing of beginning terminal standard 1 (such as TD-SCDMA);
Step 507: judge whether standard 1 test successful? if test successfully, execution in step 508, if failure, execution in step 511;
Step 508: test program control comprehensive test instrument and radio-frequency (RF) switch SW switch to standard 2 (such as GSM) radio-frequency channel;
Step 509: the radio frequency testing of beginning terminal standard 2 (such as GSM);
Step 510: judge whether standard 2 tests are successful, if successfully continue execution in step 512, if test crash, execution in step 511;
Step 511: write test flag bit information: survey Fail eventually; Finish;
Step 512: write the flag bit information of surveying eventually: survey OK eventually; Success finishes.
The present invention realizes the automatic switchover of dual-mode terminal detection calibration instrument between two kinds of standard test channel by utilizing radio-frequency (RF) switch and logic control circuit thereof, can avoid the artificial problem that manual operations caused loses time, formation efficiency is low of prior art.Simultaneously, the present invention utilizes comprehensive test instrument as test instrumentation, can realize the calibration and the test of two kinds of standards, has reduced the expense of test instrumentation.
Certainly; the foregoing description and application example are not the further qualifications to technical solution of the present invention; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those skilled in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion are all within protection scope of the present invention.
Claims (11)
1. dual-mode terminal calibrated tester, described calibrated tester comprises RF instrumentation, terminal is carried out calibration testing, described terminal comprises two prevention at radio-frequency port, it is characterized in that, also comprise radio-frequency (RF) switch, described radio-frequency (RF) switch one end and two prevention at radio-frequency port of described terminal are selected one be connected, the described radio-frequency (RF) switch other end is connected with described RF instrumentation, and described RF instrumentation can switch between two kinds of standards fast.
2. dual-mode terminal calibrated tester as claimed in claim 1 is characterized in that, also comprises logic control device, and described logic control device is connected with described radio-frequency (RF) switch.
3. dual-mode terminal calibrated tester as claimed in claim 1 is characterized in that, described radio-frequency (RF) switch is the single-pole double-throw switch (SPDT) of level control.
4. dual-mode terminal calibrated tester as claimed in claim 2 is characterized in that, the comprehensive test instrument of described RF instrumentation for switching fast between two kinds of standards.
5. dual-mode terminal calibrated tester as claimed in claim 4 is characterized in that, also comprises all-purpose computer, and described all-purpose computer is connected with described terminal, logic control device and described RF instrumentation respectively by data wire.
6. dual-mode terminal calibrated tester as claimed in claim 5 is characterized in that, also comprises test fixture, and described test fixture one end is connected with described terminal, and the other end is connected with described all-purpose computer.
7. dual-mode terminal calibrated tester as claimed in claim 6, it is characterized in that, also comprise two two-way output digital powers, be connected with described all-purpose computer that its output is connected with described terminal, test fixture and described logic control device respectively by data wire.
8. a dual-mode terminal calibration test method is characterized in that, said method comprising the steps of:
(1) radio-frequency (RF) switch one end is connected with the prevention at radio-frequency port of terminal to be measured, the other end is connected with RF instrumentation, and described RF instrumentation can switch between two kinds of standards fast;
(2) prevention at radio-frequency port of radio-frequency (RF) switch and described RF instrumentation and terminal to be measured is connected, described RF instrumentation is switched under a kind of standard, carry out calibration testing, as success, execution in step (3), otherwise failure is withdrawed from;
(3) another prevention at radio-frequency port of radio-frequency (RF) switch and described RF instrumentation and terminal to be measured is connected, described RF instrumentation is switched under the another kind of standard, carry out calibration testing.
9. method as claimed in claim 8 is characterized in that, utilize logic control device control radio-frequency (RF) switch, and then the prevention at radio-frequency port of control RF instrumentation and terminal is connected.
10. method as claimed in claim 8 is characterized in that, described RF instrumentation is a comprehensive test instrument.
11. method as claimed in claim 8 is characterized in that, described radio-frequency (RF) switch is the single-pole double-throw switch (SPDT) of level control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101227309A CN101094430B (en) | 2007-07-02 | 2007-07-02 | Calibrating run device and method for terminal in dual modes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101227309A CN101094430B (en) | 2007-07-02 | 2007-07-02 | Calibrating run device and method for terminal in dual modes |
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| Publication Number | Publication Date |
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| CN101094430A CN101094430A (en) | 2007-12-26 |
| CN101094430B true CN101094430B (en) | 2011-01-19 |
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| CN102148719B (en) * | 2010-02-09 | 2013-07-24 | 奇点新源国际技术开发(北京)有限公司 | Integrated automated testing system based on subsystems |
| CN101833684A (en) * | 2010-04-13 | 2010-09-15 | 中兴通讯股份有限公司 | Multimode data card and calibration method thereof |
| CN102421124A (en) * | 2011-11-29 | 2012-04-18 | 李青花 | Dial-testing system of international roaming visiting service |
| CN102904997A (en) * | 2012-10-31 | 2013-01-30 | 广东欧珀移动通信有限公司 | Testing method for radio frequency of mobile phone |
| CN105493545B (en) * | 2013-04-26 | 2019-08-27 | 华为技术有限公司 | Network energy efficiency emulation and appraisal procedure, device |
| CN103354643B (en) * | 2013-06-26 | 2016-08-24 | 上海华为技术有限公司 | A kind of method and apparatus realizing dual-mode network efficiency associative simulation |
| CN105101245A (en) * | 2015-07-08 | 2015-11-25 | 上海斐讯数据通信技术有限公司 | WCDMA (Wideband Code Division Multiple Access) testing device, WCDMA testing system and WCDMA testing method |
| CN106877948A (en) * | 2015-12-14 | 2017-06-20 | 富泰华工业（深圳）有限公司 | Noise detection system and method |
| CN106936520A (en) * | 2015-12-30 | 2017-07-07 | 展讯通信（上海）有限公司 | The calibration system and method for mobile terminal |
| CN107332961B (en) * | 2016-04-29 | 2019-11-01 | 展讯通信（上海）有限公司 | Multi-module mobile terminal calibrates comprehensive survey method and device without card |
| CN109195172A (en) * | 2018-07-27 | 2019-01-11 | 闻泰通讯股份有限公司 | Radio frequency test method, device, test equipment and storage medium |
| CN113783638B (en) * | 2020-06-10 | 2024-03-12 | 抖音视界有限公司 | Communication assembly, signal calibration system and method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1681331A (en) * | 2004-04-06 | 2005-10-12 | 中兴通讯股份有限公司 | Testing and calibrating device of mobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1681331A (en) * | 2004-04-06 | 2005-10-12 | 中兴通讯股份有限公司 | Testing and calibrating device of mobile |
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