CN104202099A - System for calibrating 3G network card and calibration method thereof - Google Patents
System for calibrating 3G network card and calibration method thereof Download PDFInfo
- Publication number
- CN104202099A CN104202099A CN201410414929.9A CN201410414929A CN104202099A CN 104202099 A CN104202099 A CN 104202099A CN 201410414929 A CN201410414929 A CN 201410414929A CN 104202099 A CN104202099 A CN 104202099A
- Authority
- CN
- China
- Prior art keywords
- agilent
- network interface
- interface card
- tested
- comprehensive testers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the field of 3G (3rd Generation) telecommunications, in particular to a system for calibrating a 3G network card and a calibration method thereof. The system comprises a PC (Personal Computer), an Agilent 8960 general-purpose tester, a stabilized voltage supply and a plate clamp to be tested, wherein the 3G network card is fixed on the plate clamp to be tested; the Agilent 8960 general-purpose tester is connected to the PC through a general purpose interface bus; the PC is connected with the plate clamp to be tested through a USB (Universal Serial Bus) interface wire; the stabilized voltage supply is used for supplying a power supply for the plate clamp to be tested; the Agilent 8960 general-purpose tester is connected with the 3G network card through a radio frequency line. The automation of 3G network card production is realized, the interference of manual work on the testing environment is reduced, the error in operation of man-made validation is avoided, the test result for the radio frequency is prevented from being influenced by the accuracy of circuit attenuation, the workload of operators is reduced, and the production efficiency and degree of accuracy are improved.
Description
Technical field
The present invention relates to 3G communication field, relate in particular to a kind of for calibrating system and the calibration steps thereof of 3G network interface card.
Background technology
3G card of surfing Internet is the widely used online medium of current wireless wide-area communication network.At present there are tri-kinds of network formats of WCDMA of the td-scdma of China Mobile and the CDMA2000 of China Telecom and CHINAUNICOM in China, so common wireless Internet card just comprises CDMA2000 wireless Internet card and TD, WCDMA wireless Internet card three classes.
Along with the development of society and technology, 3G technology also enters in the middle of people's life more and more widely, and 3G network interface card, as a kind of online medium, also becomes the central common article of people's daily life.The vigorous market demand, needs corresponding productivity to meet the demands.But the production of 3G card of surfing Internet is also not easy, in the production process of 3G network interface card, need to radio-frequency (RF) index be calibrated and be tested, radio frequency parameter directly has influence on the quality of performance, and then affects product communication performance and user's experience.In the face of complicated calibration process and test process, artificial go manual operating instrument logging test results are obviously impossible, meanwhile, also far from can meet the nowadays vigorous market demand and the requirement of mass production above efficiency.
Summary of the invention
The object of the present invention is to provide a kind ofly for calibrating system and the calibration steps thereof of 3G network interface card, solve in prior art, to the radio-frequency (RF) index calibration of 3G network interface card and test that not only efficiency is low, and the very low problem of accuracy rate.
For addressing the above problem, the technical solution used in the present invention is:
A kind of for calibrating 3G network interface card system, comprise PC, Agilent 8960 comprehensive testers, stabilized voltage power supply and board clamp to be tested, 3G network interface card is fixed on board clamp to be tested, described Agilent 8960 comprehensive testers by general-purpose interface bus to described PC, described PC is connected with board clamp to be tested by usb line, described stabilized voltage power supply provides power supply for board clamp to be tested, and described Agilent 8960 comprehensive testers are connected with 3G network interface card by radio frequency line.
Further technical scheme is, described board clamp to be tested and 3G network interface card are all placed in shielded box.
For calibrating a method for 3G network interface card, comprise the following steps:
Step 1, build test environment, select Agilent 8960 comprehensive testers, PC, stabilized voltage power supply and board clamp to be tested, 3G network interface card is fixed on board clamp to be tested, described Agilent 8960 comprehensive testers are connected to described PC by GPIB card (general-purpose interface bus), described PC is connected with board clamp to be tested by usb line, and described stabilized voltage power supply provides power supply for board clamp to be tested, and described Agilent 8960 comprehensive testers are connected with 3G network interface card by radio frequency line.
Step 2, utilizes Agilent 8960 comprehensive testers to be calibrated and tested by VISA storehouse, and the QILB storehouse providing by high pass, reads and writes the parameter in test board chips to be measured;
3G network interface card is put into board clamp to be tested, open Agilent 8960 comprehensive testers, by Agilent 8960 comprehensive testers, enter calibration mode and complete calibration, then will be calibrated in parameter read-in 3G network interface card by Agilent 8960 comprehensive testers;
Step 3, restarts CG network interface card, opens Agilent 8960 comprehensive testers, by Agilent 8960 comprehensive testers, is controlled and is entered test pattern;
Step 5, disconnects described Agilent 8960 comprehensive testers and 3G network interface card, draws test result.
Further technical scheme is, in step 2, the method for Agilent 8960 comprehensive tester calibrations is:
AGC calibration: launch successively the descending of a class frequency and power combination by signal source list pattern in described Agilent 8960 comprehensive testers, and read AGC parameter by the AGC parameter reading command of board chip to be tested, calculate to adjust AGC parameter, the AGC parameter read-in instruction by board chip to be tested writes storage medium by the AGC parameter value after adjusting;
AFC calibration: allow the communication equipment that 3G network interface card is housed transmit in a series of specific frequencies, by physical layer signaling dummy instruction, set frequency and the power that mobile phone transmits, use described Agilent 8960 comprehensive testers to analyze the frequency error that option measuring terminals transmits, according to measured value, calculate and adjust AFC parameter, the AFC parameter read-in instruction providing by core 3G network interface card writes back storage medium by the AFC parameter value after adjusting;
APC calibration: set frequency and the power that mobile phone transmits by physical layer signaling dummy instruction, use Agilent 8960 comprehensive testers to test the power of signal, until the frequency of all requirements, power points are completed, according to measured value, calculate and adjust APC parameter, the APC parameter read-in instruction providing by chip manufacturer writes back storage medium by the APC parameter value after adjusting.
Further technical scheme is, in step 3, the method for testing of Agilent 8960 comprehensive testers is:
TX test: by the peak power output of described Agilent 8960 comprehensive testers test 3G network interface cards, minimum output power, faces power leakage, spectral emission template and take band;
RX test: by controlling described Agilent 8960 comprehensive testers, the receiving sensitivity of test 3G network interface card.
The beneficial effect that adopts technique scheme to produce is: the present invention has realized the automation that 3G network interface card is produced, reduce the artificial intervention for test environment, avoid artificial verification operation to make mistakes, avoid due to the accuracy of Line Attenuation, the test result of radio frequency being impacted, the workload that reduces operating personnel, has improved production efficiency and accuracy.
Accompanying drawing explanation
Fig. 1 is that the present invention is a kind of for calibrating the connection block diagram of 3G network interface card system.
Fig. 2 is that the present invention is a kind of for calibrating the schematic flow sheet of the method for 3G network interface card.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
It is a kind of for calibrating an embodiment of 3G network interface card system that Fig. 1 shows the present invention: a kind of for calibrating 3G network interface card system, comprise PC, Agilent 8960 comprehensive testers, stabilized voltage power supply and board clamp to be tested, 3G network interface card is fixed on board clamp to be tested, described Agilent 8960 comprehensive testers pass through general-purpose interface bus (GPIB BUS) to described PC, described PC is connected with board clamp to be tested by usb line, described stabilized voltage power supply provides power supply for board clamp to be tested, described Agilent 8960 comprehensive testers are connected with 3G network interface card by radio frequency line (RF Cable).
A kind of for calibrating a preferred embodiment of 3G network interface card system according to the present invention, described board clamp to be tested and 3G network interface card are all placed in shielded box.
It is a kind of for calibrating an embodiment of the method for 3G network interface card that Fig. 2 shows the present invention: a kind of for calibrating the method for 3G network interface card, comprise the following steps:
Step 1, build test environment, select Agilent 8960 comprehensive testers, PC, stabilized voltage power supply and board clamp to be tested, 3G network interface card is fixed on board clamp to be tested, described Agilent 8960 comprehensive testers pass through general-purpose interface bus (GPIB BUS) to described PC, described PC is connected with board clamp to be tested by usb line, and described stabilized voltage power supply provides power supply for board clamp to be tested, and described Agilent 8960 comprehensive testers are connected with 3G network interface card by radio frequency line;
Step 2, utilizes Agilent 8960 comprehensive testers to be calibrated and tested by VISA storehouse, and the QILB storehouse providing by high pass, reads and writes the parameter in test board chips to be measured;
3G network interface card is put into board clamp to be tested, open Agilent 8960 comprehensive testers, by Agilent 8960 comprehensive testers, enter calibration mode and complete calibration, then will be calibrated in parameter read-in 3G network interface card by Agilent 8960 comprehensive testers;
Step 3, restarts CG network interface card, opens Agilent 8960 comprehensive testers, by Agilent 8960 comprehensive testers, is controlled and is entered test pattern;
Step 5, disconnects described Agilent 8960 comprehensive testers and 3G network interface card, draws test result.
It is a kind of for calibrating a preferred embodiment of the method for 3G network interface card according to the present invention,, in step 2, the method for Agilent 8960 comprehensive tester calibrations is:
AGC calibration: launch successively the descending of a class frequency and power combination by signal source list pattern in described Agilent 8960 comprehensive testers, and read AGC parameter by the AGC parameter reading command of board chip to be tested, calculate to adjust AGC parameter, the AGC parameter read-in instruction by board chip to be tested writes storage medium by the AGC parameter value after adjusting;
AFC calibration: allow the communication equipment that 3G network interface card is housed transmit in a series of specific frequencies, by physical layer signaling dummy instruction, set frequency and the power that mobile phone transmits, use described Agilent 8960 comprehensive testers to analyze the frequency error that option measuring terminals transmits, according to measured value, calculate and adjust AFC parameter, the AFC parameter read-in instruction providing by core 3G network interface card writes back storage medium by the AFC parameter value after adjusting;
APC calibration: set frequency and the power that mobile phone transmits by physical layer signaling dummy instruction, use Agilent 8960 comprehensive testers to test the power of signal, until the frequency of all requirements, power points are completed, according to measured value, calculate and adjust APC parameter, the APC parameter read-in instruction providing by chip manufacturer writes back storage medium by the APC parameter value after adjusting.
A kind of for calibrating another preferred embodiment of the method for 3G network interface card according to the present invention, in step 3, the method for testing of Agilent 8960 comprehensive testers is:
TX test: by the peak power output of described Agilent 8960 comprehensive testers test 3G network interface cards, minimum output power, faces power leakage, spectral emission template and take band;
RX test: by controlling described Agilent 8960 comprehensive testers, the receiving sensitivity of test 3G network interface card.
Although with reference to a plurality of explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and within execution mode will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the building block of subject combination layout and/or layout.Except distortion that building block and/or layout are carried out and improving, to those skilled in the art, other purposes will be also obvious.
Claims (5)
1. one kind for calibrating 3G network interface card system, it is characterized in that: comprise PC, Agilent 8960 comprehensive testers, stabilized voltage power supply and board clamp to be tested, 3G network interface card is fixed on board clamp to be tested, described Agilent 8960 comprehensive testers by general-purpose interface bus to described PC, described PC is connected with board clamp to be tested by usb line, described stabilized voltage power supply provides power supply for board clamp to be tested, and described Agilent 8960 comprehensive testers are connected with 3G network interface card by radio frequency line.
2. according to claim 1 a kind of for calibrating 3G network interface card system, it is characterized in that: described board clamp to be tested and 3G network interface card are all placed in shielded box.
3. for calibrating a method for 3G network interface card, it is characterized in that comprising the following steps:
Step 1, build test environment, select Agilent 8960 comprehensive testers, PC, stabilized voltage power supply and board clamp to be tested, 3G network interface card is fixed on board clamp to be tested, described Agilent 8960 comprehensive testers are linked and are connected to described PC by GPIB, described PC is connected with board clamp to be tested by usb line, and described stabilized voltage power supply provides power supply for board clamp to be tested, and described Agilent 8960 comprehensive testers are connected with 3G network interface card by radio frequency line;
Step 2, utilizes Agilent 8960 comprehensive testers to be calibrated and tested by VISA storehouse, and the QILB storehouse providing by high pass, reads and writes the parameter in test board chips to be measured;
3G network interface card is put into board clamp to be tested, open Agilent 8960 comprehensive testers, by Agilent 8960 comprehensive testers, enter calibration mode and complete calibration, then will be calibrated in parameter read-in 3G network interface card by Agilent 8960 comprehensive testers;
Step 3, restarts CG network interface card, opens Agilent 8960 comprehensive testers, by Agilent 8960 comprehensive testers, is controlled and is entered test pattern;
Step 5, disconnects described Agilent 8960 comprehensive testers and 3G network interface card, draws test result.
4. according to claim 3 a kind of for calibrating the method for 3G network interface card, it is characterized in that: in step 2, the method for Agilent 8960 comprehensive tester calibrations is:
AGC calibration: launch successively the descending of a class frequency and power combination by signal source list pattern in described Agilent 8960 comprehensive testers, and read AGC parameter by the AGC parameter reading command of board chip to be tested, calculate to adjust AGC parameter, the AGC parameter read-in instruction by board chip to be tested writes storage medium by the AGC parameter value after adjusting;
AFC calibration: allow the communication equipment that 3G network interface card is housed transmit in a series of specific frequencies, by physical layer signaling dummy instruction, set frequency and the power that mobile phone transmits, use described Agilent 8960 comprehensive testers to analyze the frequency error that option measuring terminals transmits, according to measured value, calculate and adjust AFC parameter, the AFC parameter read-in instruction providing by core 3G network interface card writes back storage medium by the AFC parameter value after adjusting;
APC calibration: set frequency and the power that mobile phone transmits by physical layer signaling dummy instruction, use Agilent 8960 comprehensive testers to test the power of signal, until the frequency of all requirements, power points are completed, according to measured value, calculate and adjust APC parameter, the APC parameter read-in instruction providing by chip manufacturer writes back storage medium by the APC parameter value after adjusting.
5. according to claim 3 a kind of for calibrating the method for 3G network interface card, it is characterized in that: in step 3, the method for testing of Agilent 8960 comprehensive testers is:
TX test: by the peak power output of described Agilent 8960 comprehensive testers test 3G network interface cards, minimum output power, faces power leakage, spectral emission template and take band;
RX test: by controlling described Agilent 8960 comprehensive testers, the receiving sensitivity of test 3G network interface card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414929.9A CN104202099B (en) | 2014-09-16 | 2014-09-16 | A kind of for calibrating the method for 3G network interface card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414929.9A CN104202099B (en) | 2014-09-16 | 2014-09-16 | A kind of for calibrating the method for 3G network interface card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104202099A true CN104202099A (en) | 2014-12-10 |
| CN104202099B CN104202099B (en) | 2016-05-11 |
Family
ID=52087338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410414929.9A Active CN104202099B (en) | 2014-09-16 | 2014-09-16 | A kind of for calibrating the method for 3G network interface card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104202099B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868957A (en) * | 2015-05-08 | 2015-08-26 | 上海斐讯数据通信技术有限公司 | EDGE radio frequency test system and method for mobile terminal |
| CN105137364A (en) * | 2015-07-23 | 2015-12-09 | 浪潮电子信息产业股份有限公司 | Automatic test system of switching power supply |
| CN105375994A (en) * | 2015-10-10 | 2016-03-02 | 广东欧珀移动通信有限公司 | Mobile terminal antenna test method and system |
| CN109005555A (en) * | 2017-06-07 | 2018-12-14 | 江苏东大集成电路系统工程技术有限公司 | A method of the radio-frequency performance under test LTE network standard |
| CN109981187A (en) * | 2017-12-28 | 2019-07-05 | 北京松果电子有限公司 | Figure passes calibration method, device, storage medium and electronic equipment |
| CN114814540A (en) * | 2022-04-20 | 2022-07-29 | 苏州吾爱易达物联网有限公司 | SLT (Serial bus test) method and system of SIP (Session initiation protocol) chip |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7103336B1 (en) * | 1999-09-03 | 2006-09-05 | Matsushita Electric Industrial Co., Ltd. | Radio receiver, radio receiving method, and recording medium |
| CN101034947A (en) * | 2007-04-06 | 2007-09-12 | 中兴通讯股份有限公司 | Mobile phone thimble-type RF calibration clamp |
| CN201393230Y (en) * | 2008-12-26 | 2010-01-27 | 北京中电华大电子设计有限责任公司 | USB interface-based wireless network card testing device |
| CN102238266A (en) * | 2010-04-26 | 2011-11-09 | 上海三旗通信科技有限公司 | Mobile phone main board performance parameter quick-calibration method |
| CN102970084A (en) * | 2012-11-15 | 2013-03-13 | 惠州Tcl移动通信有限公司 | Test system used for 3G (3rd Generation Telecommunication) mobile communication terminal and corresponding antenna coupler |
-
2014
- 2014-09-16 CN CN201410414929.9A patent/CN104202099B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7103336B1 (en) * | 1999-09-03 | 2006-09-05 | Matsushita Electric Industrial Co., Ltd. | Radio receiver, radio receiving method, and recording medium |
| CN101034947A (en) * | 2007-04-06 | 2007-09-12 | 中兴通讯股份有限公司 | Mobile phone thimble-type RF calibration clamp |
| CN201393230Y (en) * | 2008-12-26 | 2010-01-27 | 北京中电华大电子设计有限责任公司 | USB interface-based wireless network card testing device |
| CN102238266A (en) * | 2010-04-26 | 2011-11-09 | 上海三旗通信科技有限公司 | Mobile phone main board performance parameter quick-calibration method |
| CN102970084A (en) * | 2012-11-15 | 2013-03-13 | 惠州Tcl移动通信有限公司 | Test system used for 3G (3rd Generation Telecommunication) mobile communication terminal and corresponding antenna coupler |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868957A (en) * | 2015-05-08 | 2015-08-26 | 上海斐讯数据通信技术有限公司 | EDGE radio frequency test system and method for mobile terminal |
| CN104868957B (en) * | 2015-05-08 | 2017-11-21 | 上海斐讯数据通信技术有限公司 | A kind of mobile terminal EDGE radio frequency test systems and method |
| CN105137364A (en) * | 2015-07-23 | 2015-12-09 | 浪潮电子信息产业股份有限公司 | Automatic test system of switching power supply |
| CN105375994A (en) * | 2015-10-10 | 2016-03-02 | 广东欧珀移动通信有限公司 | Mobile terminal antenna test method and system |
| CN105375994B (en) * | 2015-10-10 | 2018-09-04 | 广东欧珀移动通信有限公司 | A kind of method and system of mobile terminal antenna test |
| CN109005555A (en) * | 2017-06-07 | 2018-12-14 | 江苏东大集成电路系统工程技术有限公司 | A method of the radio-frequency performance under test LTE network standard |
| CN109981187A (en) * | 2017-12-28 | 2019-07-05 | 北京松果电子有限公司 | Figure passes calibration method, device, storage medium and electronic equipment |
| CN114814540A (en) * | 2022-04-20 | 2022-07-29 | 苏州吾爱易达物联网有限公司 | SLT (Serial bus test) method and system of SIP (Session initiation protocol) chip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104202099B (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104202099B (en) | A kind of for calibrating the method for 3G network interface card | |
| CN101256214B (en) | Self-adapting testing system and method for radio-frequency power amplifier | |
| CN102386982B (en) | The measuring apparatus of a kind of radio frequency testing system errors in mobile terminal production and method | |
| CN101848042B (en) | Method and system for testing radio frequency of mobile phones | |
| CN102638320A (en) | Method and equipment for determining radiofrequency signal calibration parameter of terminal testing instrument | |
| CN104345262A (en) | Universal circuit board test system | |
| CN105116369A (en) | Radio frequency radiation disturbance rejection degree test apparatus and system | |
| CN101119168B (en) | Automatic testing method and system of TDSCDMA integrated module to digital interface | |
| CN102055539A (en) | Automated calibration method and equipment for meter output signal | |
| CN103234534A (en) | Method for testing sensitivity of airplane radio compass receiver | |
| CN106053957A (en) | Test fixture line loss test method and test fixture line loss test system | |
| CN210112014U (en) | WIFI power test system | |
| CN103995185A (en) | Method for carrying out insertion loss test through simple probe | |
| CN210157197U (en) | Detection apparatus based on bluetooth communication module | |
| CN107018223A (en) | One kind is used for mobile phone radio frequency signal testing method and system | |
| CN110609183A (en) | IVI technology-based identification module and automatic test system of complete machine | |
| CN106788786B (en) | Standardized satellite radio frequency index testing system | |
| CN103728502B (en) | The method and system and wireless terminal of a kind of antenna measurement | |
| CN202918302U (en) | Comprehensive measuring instrument for measuring radio stations | |
| CN108040345A (en) | A kind of 4G mobile terminals LTE conducted emission power automated detection systems | |
| CN104215858A (en) | Constant temperature crystal oscillator temperature stability automatic test system and method | |
| CN106990376A (en) | A kind of test device and method of testing of scramble testing system line loss | |
| CN202974086U (en) | Automatic calibration system for radio fuse tester | |
| CN207910788U (en) | A kind of less radio-frequency automatic test production system | |
| CN102801485B (en) | Calibration method for wireless parameters of wireless chip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |