CN104683048A - A td-scdma radio frequency testing method - Google Patents
A td-scdma radio frequency testing method Download PDFInfo
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- CN104683048A CN104683048A CN201310624668.9A CN201310624668A CN104683048A CN 104683048 A CN104683048 A CN 104683048A CN 201310624668 A CN201310624668 A CN 201310624668A CN 104683048 A CN104683048 A CN 104683048A
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Abstract
The present invention relates to the technical field of TD-SCDMA radio frequency testing, in particular, to a TD-SCDMA radio frequency testing method. The method includes: receiving a testing command triggered by a user; wherein, the testing command is a radio frequency testing signal sent to and applied on a tested receiving set specified by the command when the receiving set tests the command; receiving an output signal fed back after the radio frequency testing signal is received by the tested receiving set; and using the output signal to generate a TD-SCDMA radio frequency testing result of the tested receiving set. The TD-SCDMA radio frequency testing method provided in the present invention provides uses a radio frequency testing signal to perform a TD-SCDMA radio frequency test on the apparatus, for example, performing the TD-SCDMA radio frequency test on the tested receiving set. The testing manner is simple and convenient and the accuracy is increased.
Description
Technical field
The present invention relates to TD-SCDMA technical field of radio frequency test, in particular to a kind of TD-SCDMA radio frequency test method.
Background technology
In correlation technique, when testing in enormous quantities, especially during production test, need the test carrying out TD-SCDMA related performance indicators.
In correlation technique, carry out TD-SCDMA radio frequency testing mainly based on the manual test of technical staff to equipment, test is inconvenient and test accuracy is lower.
Summary of the invention
The object of the present invention is to provide a kind of TD-SCDMA radio frequency test method, to solve the above problems.
Provide a kind of TD-SCDMA radio frequency test method in an embodiment of the present invention, comprising:
Receive the test instruction that user triggers;
When described test instruction is receiver test instruction, the tested receiver of specifying to this instruction sends the RF test signal for TD-SCDMA radio frequency testing;
Receive the output signal fed back after described tested receiver receives described RF test signal;
Described output signal is utilized to generate the TD-SCDMA radio frequency testing result of described tested receiver.
The TD-SCDMA radio frequency test method that the embodiment of the present invention provides, utilizes RF test signal to carry out TD-SCDMA radio frequency testing to equipment, and as carried out TD-SCDMA radio frequency testing to tested receiver, the easy and accuracy of test mode improves.
Accompanying drawing explanation
Fig. 1 shows the flow chart of embodiment of the present invention TD-SCDMA radio frequency test method.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
The embodiment of the present invention provides a kind of TD-SCDMA radio frequency test method, and as shown in Figure 1, main processing steps comprises:
Step S11: receive the test instruction that user triggers;
Step S12: when test instruction is receiver test instruction, the tested receiver of specifying to this instruction sends the RF test signal for TD-SCDMA radio frequency testing;
Step S13: the output signal fed back after receiving tested receiver received RF test signal;
Step S14: utilize output signal to generate the TD-SCDMA radio frequency testing result of tested receiver.
The TD-SCDMA radio frequency test method that the embodiment of the present invention provides, utilizes RF test signal to carry out TD-SCDMA radio frequency testing to equipment, and as carried out TD-SCDMA radio frequency testing to tested receiver, the easy and accuracy of test mode improves.
Wherein, the tested receiver of specifying to this instruction sends the RF test signal for TD-SCDMA radio frequency testing, comprising: the wave file triggering mode arranging RMC channel and RF test signal; In the RMC channel arranged, utilize the wave file triggering mode arranged to trigger RF test signal, and the RF test signal of triggering is inputed in tested receiver.
In the embodiment of the present invention, when test instruction is transmitter test instruction, comprise: utilize the rapid decay device switch of PSA and built-in pre-relieving to close, different emission period for tested transmitter adopt different attenuators and put setting in advance, wherein, for the useful time slot of large-signal, 40dB is set and decays and close and put in advance; For the switch-off power place of small-signal, 0dB is set and decays and open and put in advance, then the test result curve of matching twice, obtain the test result of tested transmitter.
Further, when test instruction can also be TD-HSDPA test instruction, comprising:
Utilize ESG or MXG and PSA, test ACLR, PVT, EVM, PCDE of TD-HSDPA, wherein ESG or MXG coordinates N7612B, realizes measuring EVM and PCDE of 8PSK and HSDPA16QAM signal.
In addition, when test instruction is the test of TD-SCDMA RF consistency, comprising: based on the wireless test Management software platform of Agilent standard, adopt E4445A, E4438C and E8257D as radio frequency instrument, realize the test of TD-SCDMA RF consistency.
When test instruction can also be mobile phone radio frequency calibration testing instruction, comprising: transmitter power calibration, receiver gain calibration and voltage controlled oscillator VCO frequency calibration.
Particularly, transmitter power calibration comprises: make mobile phone launch the signal of different capacity at different frequencies, utilizes comprehensive test instrument to measure the actual emission power of mobile phone, thus each power level is calibrated the transmitting power of mobile phone in full frequency band.
Receiver gain calibration comprises: utilize comprehensive test instrument to produce emission standard signal in different allocation power level, mobile phone for measuring received signal strength RSSI, thus the gain of calibration mobile phone receiving path.
Voltage controlled oscillator VCO frequency calibration comprises: utilize comprehensive test instrument to launch the signal of assigned frequency, mobile phone adjusts its VCO according to standard signal; Or, making mobile phone with under the condition of Network Synchronization not launching the signal of assigned frequency, utilizing comprehensive test instrument to measure its frequency error, thus the VCO of adjustment mobile phone.
Flexible and varied signal source function: E6835A can produce TD-SCDMA modulation signal, continuous wave signal (CW), am signals (AM), frequency modulated signal (FM) and double-sideband suppressed-carrier signal (DSB-SC), for the different demands of different chip manufacturers mobile phone calibration provide strong guarantee.Complete measurement function: E6835A provides the multiple measurement function meeting testing standard, as channel power (power test of band RRC filter and the power test not with RRC filter), Adjacent Channel Power Ratio (ACLR), frequency spectrum spuious (SEM), EVM, frequency error, peak code domain er power, spectrum analysis etc.Dynamic power calibration function: in addition, E6835A additionally provides handset transmitter quickly calibrated scheme-dynamic power calibration function.It once can complete the calibration of output power of transmitter in different capacity grade in same frequency, thus greatly improves the efficiency of handset transmitter calibration.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a TD-SCDMA radio frequency test method, is characterized in that, comprising:
Receive the test instruction that user triggers;
When described test instruction is receiver test instruction, the tested receiver of specifying to this instruction send for RF test signal;
Receive the output signal fed back after described tested receiver receives described RF test signal;
Described output signal is utilized to generate the TD-SCDMA radio frequency testing result of described tested receiver.
2. method according to claim 1, is characterized in that, described tested receiver of specifying to this instruction sends the RF test signal for TD-SCDMA radio frequency testing, comprising:
The wave file triggering mode of RMC channel and RF test signal is set;
In the RMC channel arranged, utilize the described wave file triggering mode arranged to trigger RF test signal, and the described RF test signal triggered is inputed in tested receiver.
3. method according to claim 2, is characterized in that, when described test instruction is transmitter test instruction, comprising:
Utilize the rapid decay device switch of PSA and built-in pre-relieving to close, the different emission period for tested transmitter adopt different attenuators and put setting in advance, wherein, for the useful time slot of large-signal, arrange 40dB and decay and close and put in advance; For the switch-off power place of small-signal, 0dB is set and decays and open and put in advance, then the test result curve of matching twice, obtain the test result of tested transmitter.
4. method according to claim 1, is characterized in that, when described test instruction is TD-HSDPA test instruction, comprising:
Utilize ESG or MXG and PSA, test ACLR, PVT, EVM, PCDE of TD-HSDPA, wherein ESG or MXG coordinates N7612B, realizes measuring EVM and PCDE of 8PSK and HSDPA16QAM signal.
5. method according to claim 1, is characterized in that, when described test instruction is the test of TD-SCDMA RF consistency, comprising:
Based on the wireless test Management software platform of Agilent standard, adopt E4445A, E4438C and E8257D as radio frequency instrument, realize the test of TD-SCDMA RF consistency.
6. method according to claim 1, is characterized in that, when described test instruction is mobile phone radio frequency calibration testing instruction, comprising: transmitter power calibration, receiver gain calibration and voltage controlled oscillator VCO frequency calibration.
7. method according to claim 6, it is characterized in that, described transmitter power calibration comprises: make mobile phone launch the signal of different capacity at different frequencies, utilizes comprehensive test instrument to measure the actual emission power of mobile phone, thus each power level is calibrated the transmitting power of mobile phone in full frequency band.
8. method according to claim 6, it is characterized in that, described receiver gain calibration comprises: utilize comprehensive test instrument to produce emission standard signal in different allocation power level, mobile phone for measuring received signal strength RSSI, thus the gain of calibration mobile phone receiving path.
9. method according to claim 6, is characterized in that, described voltage controlled oscillator VCO frequency calibration comprises: utilize comprehensive test instrument to launch the signal of assigned frequency, mobile phone adjusts its VCO according to standard signal; Or, making mobile phone with under the condition of Network Synchronization not launching the signal of assigned frequency, utilizing comprehensive test instrument to measure its frequency error, thus the VCO of adjustment mobile phone.
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| CN201310624668.9A CN104683048A (en) | 2013-11-26 | 2013-11-26 | A td-scdma radio frequency testing method |
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| CN201310624668.9A CN104683048A (en) | 2013-11-26 | 2013-11-26 | A td-scdma radio frequency testing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323023A (en) * | 2015-10-19 | 2016-02-10 | 青岛海信移动通信技术股份有限公司 | Optimizing calibration method for mobile terminal |
| CN106452615A (en) * | 2016-09-30 | 2017-02-22 | 维沃移动通信有限公司 | Radio frequency calibration method and mobile terminal |
| CN109120358A (en) * | 2018-06-13 | 2019-01-01 | 北京星网锐捷网络技术有限公司 | Test method, mobile terminal, surveying device and the system of radio frequency signal |
| CN116633459A (en) * | 2023-07-25 | 2023-08-22 | 睿能科技(北京)有限公司 | Electronic equipment communication performance test method and device, electronic equipment and storage medium |
-
2013
- 2013-11-26 CN CN201310624668.9A patent/CN104683048A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105323023A (en) * | 2015-10-19 | 2016-02-10 | 青岛海信移动通信技术股份有限公司 | Optimizing calibration method for mobile terminal |
| CN106452615A (en) * | 2016-09-30 | 2017-02-22 | 维沃移动通信有限公司 | Radio frequency calibration method and mobile terminal |
| CN106452615B (en) * | 2016-09-30 | 2019-01-29 | 维沃移动通信有限公司 | A kind of RF calibration method and mobile terminal |
| CN109120358A (en) * | 2018-06-13 | 2019-01-01 | 北京星网锐捷网络技术有限公司 | Test method, mobile terminal, surveying device and the system of radio frequency signal |
| CN109120358B (en) * | 2018-06-13 | 2021-10-22 | 北京星网锐捷网络技术有限公司 | Wireless radio frequency signal testing method, mobile terminal, surveying equipment and system |
| CN116633459A (en) * | 2023-07-25 | 2023-08-22 | 睿能科技(北京)有限公司 | Electronic equipment communication performance test method and device, electronic equipment and storage medium |
| CN116633459B (en) * | 2023-07-25 | 2023-11-03 | 睿能科技(北京)有限公司 | Electronic equipment communication performance test method and device, electronic equipment and storage medium |
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Application publication date: 20150603 |