CN101068120B - Maximum transmission power testing device and method - Google Patents
Maximum transmission power testing device and method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
- H04B17/19—Self-testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/102—Power radiated at antenna
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Abstract
A test device of maximum emission power consists of parameter setting module for setting up radio frequency parameter and for configuring composite channel as well as for setting mobile terminal to be entered into loop test, power gain regulation module for estimating signal to jamming ratio of channel and for regulating power gain according to estimation value and D-value of signal to jamming ratio, maximum emission power confirming module for emitting signal and calculating maximum emission power of signal under condition that power gain is remained unchanged.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of maximum transmission power testing device and method that is used for portable terminal.
Background technology
The maximum transmission power of portable terminal is the index that is used for weighing its emission maximum ability, and the compression horsepower point is the ability that its transmitting power increases with input power.In general, the power amplifier in the portable terminal can increase and linear increasing with the terminal input signal power, but when power output surpass compression point near maximum transmission power after, amplifier presents nonlinear characteristic gradually.The nonlinear distortion of power amplifier can make it produce new frequency component, as producing second harmonic and double-tone beat frequency for second-order distortion, can produce triple-frequency harmonics and multitone beat frequency for third order distortion.These new frequency components will cause direct interference to the signal of emission as dropping in the passband, if drop on the outer signal that will disturb other channels of passband.
Along with portable terminal carries high-speed data service such as HSDPA (High SpeedDownlink Package Access, high speed downlink packet inserts) and HSUPA (HighSpeed Uplink Package Access, the high speed uplink packet access) after the business, must introduce HS-DPCCH (HighSpeed Dedicated Physical Control Channel respectively in conjunction with new physics and logic channel such as up physical channel, High-Speed Dedicated Physical Control Channel), E-DPCCH (Enchanced Dedicated Physical Control Channel, strengthen Dedicated Physical Control Channel) and E-DPDCH (E-DCH Dedicated Physical ControlChannel, the E-DCH Dedicated Physical Control Channel) many code operations, can cause power peak-to-average force ratio (Peak-to-Average Power Ratio, be called for short PAPR) and CM value (CubicMetric) increase, therefore more strict to the test of its amplifier emissivities and the linearity.To test the radio frequency power amplifier properties for this reason, amplify efficient at the raising power amplifier and carry out necessary linearization process simultaneously, solve the spectral re-growth problem of signal.
Along with the portable terminal development, the introducing of some high speed business such as HSDPA and HSUPA technology has increased new channel and channel configuration, and this has just increased the complexity and the accuracy of mobile terminal test.
In view of above problem, in order to satisfy above-mentioned requirements, simultaneously to have when maximum power among HSDPA and the HSUPA measured in order overcoming in the prior art that parameter defines irrational shortcoming in some channel configurations, to need a kind ofly can improve the measuring accuracy of portable terminal maximum transmission power and the method for speed.
Summary of the invention
At above one or more problems, the invention provides a kind of maximum transmission power testing device and method that is used for portable terminal, can improve the measuring accuracy and the speed of portable terminal maximum transmission power.
Maximum transmission power testing device of the present invention comprises: parameter is provided with module, is used to be provided with radio frequency parameter and disposes compound channel, and portable terminal is arranged to enter loopback test; The power gain adjustment module is connected to described parameter module is set, and is used to estimate the signal interference ratio of channel, and regulates power gain according to the valuation of signal interference ratio and the difference of system limits signal interference ratio; And the maximum transmission power determination module, be connected to described power gain adjustment module, be used under the situation that power gain remains unchanged, the also maximum transmission power of signal calculated transmits.
Above-mentioned power gain adjustment module comprises: the signal interference ratio estimation module is used for data are sent to portable terminal, and estimates the signal interference ratio of channel according to the response of portable terminal; Flash-up step-length determination module is used for determining next time flash-up step-length according to the signal interference ratio that estimates and system limits signal interference ratio; The power gain determination module is used under the situation of the signal interference ratio that estimates less than the system limits signal interference ratio, and power control command is set to 1, and under the situation of the signal interference ratio that estimates greater than the system limits signal interference ratio, power control command is set to 0; Be under 1 the situation at power control command, power gain is defined as last power and flash-up step-length sum, be under 0 the situation at power control command, power gain is defined as the poor of last power and flash-up step-length, be under non-0 and non-1 the situation, to keep power gain constant at power control command.
Under the situation that power gain changes, power gain adjustment module definite power gain that repeatedly transmits remains unchanged up to power gain.
Determine the flash-up step-length by following at least a method: the special differential technique in batten differential technique and Amire.
Maximum transmission power testing device of the present invention is used for the following at least a portable terminal of test: Wideband Code Division Multiple Access (WCDMA) portable terminal, high speed downlink packet access terminal and high-speed uplink packet access terminal.
Maximum transmission power method of testing of the present invention may further comprise the steps: step S202 is provided with radio frequency parameter and disposes compound channel, and portable terminal is arranged to enter loopback test; Step S204, estimate the signal interference ratio of channel, and regulate power gain, under the situation that channel gain changes according to the valuation of signal interference ratio and the difference of system limits signal interference ratio, repeat to send data to portable terminal and regulate power gain, remain unchanged up to power gain; And step S206, under the situation that power gain remains unchanged, the also maximum transmission power of signal calculated transmits.
Above-mentioned step S204 comprises: step S204-2 is sent to portable terminal with data, and estimates the signal interference ratio of channel according to the response of portable terminal; Step S204-4 determines next time flash-up step-length according to the signal interference ratio that estimates and system limits signal interference ratio; And step S204-6, under the situation of the signal interference ratio that estimates less than the system limits signal interference ratio, power control command is set to 1, and under the situation of the signal interference ratio that estimates greater than the system limits signal interference ratio, power control command is set to 0; Be under 1 the situation at power control command, power gain is defined as last power and flash-up step-length sum, be under 0 the situation at power control command, power gain is defined as the poor of last power and flash-up step-length, be under non-0 and non-1 the situation, to keep power gain constant at power control command;
Under the situation that power gain changes, repeating step S204-2 to S204-6 remains unchanged up to power gain.
Determine the flash-up step-length by following at least a method: the special differential technique in batten differential technique and Amire.
Maximum transmission power method of testing of the present invention can be tested by resetting radio frequency parameter and reconfiguring compound channel.
Maximum transmission power method of testing of the present invention is used for the following at least a portable terminal of test: Wideband Code Division Multiple Access (WCDMA) portable terminal, high speed downlink packet access terminal and high-speed uplink packet access terminal.
The present invention tests the maximum transmission power of portable terminal by adopting calculus of finite differences, has improved measuring accuracy and speed, provides solution for promoting the WCDMA/HSDPA/HSUPA terminal consistency test.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Figure 1A and Figure 1B are the block diagrams that is used for the maximum transmission power testing device of portable terminal according to of the present invention;
Fig. 2 A and Fig. 2 B are the flow charts that is used for the maximum transmission power method of testing of portable terminal according to of the present invention; And
Fig. 3 is the flow chart of the maximum transmission power method of testing of portable terminal according to an embodiment of the invention.
Embodiment
Below with reference to accompanying drawing, describe the specific embodiment of the present invention in detail.
The present invention relates to WCDMA (Wideband Code Division MultipleAccess, Wideband Code Division Multiple Access (WCDMA)) mobile communication system, especially WCDMA/HSDPA/HSUPA terminal peak power output conformance test method and device.
The invention solves in the prior art after introducing HSDPA and HSUPA technology in the WCDMA portable terminal, channel configuration increases, at the peak power output testing time and the measuring accuracy predicament in urgent need to be improved of portable terminal.
Figure 1A is the block diagram that is used for the maximum transmission power testing device of portable terminal according to of the present invention.Shown in Figure 1A, maximum transmission power testing device of the present invention comprises: parameter is provided with module 102, is used to be provided with radio frequency parameter and disposes compound channel, and portable terminal is arranged to enter loopback test; Power gain adjustment module 104 is connected to described parameter module is set, and is used to estimate the signal interference ratio of channel, and regulates power gain according to the valuation of signal interference ratio and the difference of system limits signal interference ratio; And maximum transmission power determination module 106, be connected to described power gain adjustment module, be used under the situation that power gain remains unchanged, the also maximum transmission power of signal calculated transmits.
Shown in Figure 1B, above-mentioned power gain adjustment module comprises: signal interference ratio estimation module 104-2 is used for data are sent to portable terminal, and estimates the signal interference ratio of channel according to the response of portable terminal; Flash-up step-length determination module 104-4 is used for determining next time flash-up step-length according to the signal interference ratio that estimates and system limits signal interference ratio; Power gain determination module 104-6 is used under the situation of the signal interference ratio that estimates less than the system limits signal interference ratio, and power control command is set to 1, and under the situation of the signal interference ratio that estimates greater than the system limits signal interference ratio, power control command is set to 0; Be under 1 the situation at power control command, power gain is defined as last power and flash-up step-length sum, be under 0 the situation at power control command, power gain is defined as the poor of last power and flash-up step-length, be under non-0 and non-1 the situation, to keep power gain constant at power control command.
Under the situation that power gain changes, power gain adjustment module definite power gain that repeatedly transmits remains unchanged up to power gain.Determine the flash-up step-length by following at least a method: the special differential technique in batten differential technique and Amire.
Maximum transmission power testing device of the present invention is used for the following at least a portable terminal of test: Wideband Code Division Multiple Access (WCDMA) portable terminal, high speed downlink packet access terminal and high-speed uplink packet access terminal.
Fig. 2 A is the flow chart that is used for the maximum transmission power method of testing of portable terminal according to of the present invention.Shown in Fig. 2 A, maximum transmission power method of testing of the present invention may further comprise the steps: step S202 is provided with radio frequency parameter and disposes compound channel, and portable terminal is arranged to enter loopback test; Step S204, estimate the signal interference ratio of channel, and regulate power gain, under the situation that channel gain changes according to the valuation of signal interference ratio and the difference of system limits signal interference ratio, repeat to send data to portable terminal and regulate power gain, remain unchanged up to power gain; And step S206, under the situation that power gain remains unchanged, the also maximum transmission power of signal calculated transmits.
Above-mentioned step S204 comprises: step S204-2 is sent to portable terminal with data, and estimates the signal interference ratio of channel according to the response of portable terminal; Step S204-4 determines next time flash-up step-length according to the signal interference ratio that estimates and system limits signal interference ratio; And step S204-6, under the situation of the signal interference ratio that estimates less than the system limits signal interference ratio, power control command is set to 1, and under the situation of the signal interference ratio that estimates greater than the system limits signal interference ratio, power control command is set to 0; Be under 1 the situation at power control command, power gain is defined as last power and flash-up step-length sum, be under 0 the situation at power control command, power gain is defined as the poor of last power and flash-up step-length, be under non-0 and non-1 the situation, to keep power gain constant at power control command;
Under the situation that power gain changes, repeating step S204-2 to S204-6 remains unchanged up to power gain.
Determine the flash-up step-length by following at least a method: the special differential technique in batten differential technique and Amire.Maximum transmission power method of testing of the present invention can be tested by resetting radio frequency parameter and reconfiguring compound channel.
Maximum transmission power method of testing of the present invention is used for the following at least a portable terminal of test: Wideband Code Division Multiple Access (WCDMA) portable terminal, high speed downlink packet access terminal and high-speed uplink packet access terminal.
Fig. 3 is the flow chart of the maximum transmission power method of testing of portable terminal according to an embodiment of the invention.As shown in Figure 3, maximum transmission power method of testing of the present invention may further comprise the steps:
S302-S304, radio frequency parameter is set, determines the channel configuration of channels such as high speed data channels and DPCCH, adjust DPCCH and DPDCHs and other High-speed Control or Traffic Channel such as HS-DPCCH and E-DCH power ratio and (dispose corresponding β according to standard code
c, β
d, β
Ec, β
EcAnd β
HsThe constant power control coefrficient), sets up high speed data channels and call out, distribute described each sub-channel power, portable terminal is set enters loopback test.
S306, in the standard code scope selected first transmit signal power P1, to send data by high speed data channels with this first transmit signal power P1 and be sent to portable terminal to be measured, and estimate to receive signal interference ratio (Signal to Interference NoiseRatio, be called for short SIR) from acknowledge(ment) signal;
S308, the difference DELTA SIR=SIR-SIRmax that allows signal interference ratio SIRmax according to the signal interference ratio that obtains in the test to estimate and system limits, according to the relation of influencing each other between signal interference ratio and the transmitting power, utilize the definite flash-up step delta Pi next time of interpolation method such as the special interpolation in spline interpolation or Amire, Δ Pi is relevant with Δ SIR;
S310, simultaneously at control channel, according to Δ SIR transmission power control commands (TransmitPower Control TPC), allows sir value when receiving sir value less than system limits, TPC=1, greater than the time TPC=0.
S312-2 and S312-4, work as TPC=1, increase transmitting power next time, transmitting power=last power P i+ power increases step delta Pi next time, and carry out power by control channel and control, launch corresponding high-speed data by data channel then and carry out high-speed data service, calculate average transmit power, and obtain sir value.
S314-2 and S314-4, work as TPC=0, reduce transmitting power next time, power gain=last power P i-Δ Pi next time, and carry out power control by control channel, carry out high-speed data service communication by data channel then, calculate average transmit power and obtain sir value.
Carry out S308 step and S310 step, determine TPC value, carry out when TPC is 0 or 1 that S312 goes on foot or S314 goes on foot, otherwise feasibility next step.
S316, when TPC is non-0 during with non-1 value, then power gain remains unchanged, and calculates average transmit power, the acquisition maximum transmission power outputs test result.
S318, new channel configuration and corresponding power control ratio are set, repeat above testing procedure and test.
The present invention has the following advantages: in the method that changes existing method of testing point by point scanning, allow that according to accepting SIR valuation and system limits last time the interpolation estimation of SIR utilizes interpolation method to estimate that this emission increases step-length, can effectively reduce test period, measuring accuracy and test error have been improved, and after preventing effectively in the conventional method that the test step-length is excessive, power output is crossed macrolesion amplifier and related device, improves the fail safe and the reliability of test.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. maximum transmission power testing device that is used for portable terminal is characterized in that comprising:
Parameter is provided with module, is used to be provided with radio frequency parameter and disposes compound channel, and described portable terminal is arranged to enter loopback test;
The power gain adjustment module is connected to described parameter module is set, and is used to estimate the signal interference ratio of channel, and regulates power gain according to the valuation of signal interference ratio and the difference of system limits signal interference ratio; And
The maximum transmission power determination module is connected to described power gain adjustment module, is used under the situation that described power gain remains unchanged, and transmits and calculates the maximum transmission power of described signal.
Wherein, described power gain adjustment module comprises:
The signal interference ratio estimation module is used for data are sent to described portable terminal, and estimates the signal interference ratio of channel according to the response of described portable terminal;
Flash-up step-length determination module is used for determining next time flash-up step-length according to the described signal interference ratio that estimates and system limits signal interference ratio;
The power gain determination module, be used under the situation of the described signal interference ratio that estimates less than described system limits signal interference ratio, power control command is set to 1, and under the situation of the described signal interference ratio that estimates greater than described system limits signal interference ratio, power control command is set to 0; Be under 1 the situation at described power control command, described power gain is defined as last power and described flash-up step-length sum, be under 0 the situation at described power control command, described power gain is defined as the poor of described last power and described flash-up step-length, be under non-0 and non-1 the situation, to keep described power gain constant at described power control command.
2. maximum transmission power testing device according to claim 1 is characterized in that, under the situation that described power gain changes, described power gain adjustment module repeatedly transmits and determines described power gain, remains unchanged up to described power gain.
3. maximum transmission power testing device according to claim 1 is characterized in that, determines the flash-up step-length by following at least a method: the special differential technique in batten differential technique and Amire.
4. according to each described maximum transmission power testing device in the claim 1 to 3, it is characterized in that described maximum transmission power testing device is used for the following at least a portable terminal of test: Wideband Code Division Multiple Access (WCDMA) portable terminal, high speed downlink packet access terminal and high-speed uplink packet access terminal.
5. a maximum transmission power method of testing that is used for portable terminal is characterized in that, said method comprising the steps of:
Step S202 is provided with radio frequency parameter and disposes compound channel, and described portable terminal is arranged to enter loopback test;
Step S204, estimate the signal interference ratio of channel, and regulate power gain, under the situation that channel gain changes according to the valuation of signal interference ratio and the difference of system limits signal interference ratio, repeat to send data to described portable terminal and regulate described power gain, remain unchanged up to described power gain; And
Step S206 under the situation that described power gain remains unchanged, transmits and calculates the maximum transmission power of described signal.
Wherein, described step S204 comprises:
Step S204-2 is sent to described portable terminal with data, and estimates the signal interference ratio of channel according to the response of described portable terminal;
Step S204-4 determines next time flash-up step-length according to the described signal interference ratio that estimates and system limits signal interference ratio; And
Step S204-6, under the situation of the described signal interference ratio that estimates less than described system limits signal interference ratio, power control command is set to 1, and under the situation of the described signal interference ratio that estimates greater than described system limits signal interference ratio, power control command is set to 0; Be under 1 the situation at described power control command, described power gain is defined as last power and described flash-up step-length sum, be under 0 the situation at described power control command, described power gain is defined as the poor of described last power and described flash-up step-length, be under non-0 and non-1 the situation, to keep described power gain constant at described power control command;
Under the situation that described power gain changes, repeating step S204-2 to S204-6 remains unchanged up to described power gain.
6. maximum transmission power method of testing according to claim 5 is characterized in that, determines the flash-up step-length by following at least a method: the special differential technique in batten differential technique and Amire.
7. maximum transmission power method of testing according to claim 6 is characterized in that, described maximum transmission power method of testing is tested by resetting described radio frequency parameter and reconfiguring described compound channel.
8. according to each described maximum transmission power method of testing in the claim 5 to 7, it is characterized in that described maximum transmission power method of testing is used for the following at least a portable terminal of test: Wideband Code Division Multiple Access (WCDMA) portable terminal, high speed downlink packet access terminal and high-speed uplink packet access terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610144838 CN101068120B (en) | 2006-11-23 | 2006-11-23 | Maximum transmission power testing device and method |
| PCT/CN2007/002325 WO2008061419A1 (en) | 2006-11-23 | 2007-08-02 | Testing device and method for the maximum transmitting power of mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610144838 CN101068120B (en) | 2006-11-23 | 2006-11-23 | Maximum transmission power testing device and method |
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| CN101068120A CN101068120A (en) | 2007-11-07 |
| CN101068120B true CN101068120B (en) | 2011-08-10 |
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| CN 200610144838 Expired - Fee Related CN101068120B (en) | 2006-11-23 | 2006-11-23 | Maximum transmission power testing device and method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101741479B (en) * | 2008-11-04 | 2014-03-12 | 中兴通讯股份有限公司 | Joint test method for maximum power regression and adjacent channel leakage ratio |
| CN101404806B (en) * | 2008-11-24 | 2010-04-21 | 北京天碁科技有限公司 | Method and system for testing HSDPA demodulation and decoding performance of wireless terminal equipment |
| CN102487543B (en) * | 2010-12-02 | 2014-07-16 | 鼎桥通信技术有限公司 | Adjustment method of high speed uplink packet access authorization |
| CN102487300B (en) * | 2010-12-03 | 2015-01-28 | 中兴通讯股份有限公司 | Method and system for testing maximum transmitting power of multi-antenna user device |
| CN102547949B (en) * | 2010-12-22 | 2015-07-01 | 中国移动通信集团江苏有限公司 | Power control method and device in mobile communication system |
| CN105657742B (en) * | 2016-03-11 | 2019-01-01 | 中国联合网络通信集团有限公司 | The power measurement method and base station analog machine of mobile terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1545021A1 (en) * | 2000-09-12 | 2005-06-22 | NTT DoCoMo, Inc. | CDMA wireless transmitter-receiver system and transmission power control method of a CDMA wireless transmission apparatus |
| 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 |
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2006
- 2006-11-23 CN CN 200610144838 patent/CN101068120B/en not_active Expired - Fee Related
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- 2007-08-02 WO PCT/CN2007/002325 patent/WO2008061419A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1545021A1 (en) * | 2000-09-12 | 2005-06-22 | NTT DoCoMo, Inc. | CDMA wireless transmitter-receiver system and transmission power control method of a CDMA wireless transmission apparatus |
| 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 |
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| Publication number | Publication date |
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| CN101068120A (en) | 2007-11-07 |
| WO2008061419A1 (en) | 2008-05-29 |
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