CN101068122B - Multi-switch-in terminal maximum transmission power obtaining method - Google Patents
Multi-switch-in terminal maximum transmission power obtaining method Download PDFInfo
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- CN101068122B CN101068122B CN2007101093056A CN200710109305A CN101068122B CN 101068122 B CN101068122 B CN 101068122B CN 2007101093056 A CN2007101093056 A CN 2007101093056A CN 200710109305 A CN200710109305 A CN 200710109305A CN 101068122 B CN101068122 B CN 101068122B
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Abstract
A method for obtaining maximum emission power of multi-access terminal includes connecting multi-access terminal to tester, setting multi-radio link on said terminal to be on return mode simultaneously, detecting maximum emission power of each radio module on said terminal by switching radio module one by one separately and detecting maximum emission power of said terminal by switching on all radio module on said terminal, comparing obtained maximum emission power with desired value for confirming emission power of each radio module on said terminal and confirming maximum emission power based on relevant parameters.
Description
Technical field
This aspect relates to the parameter test method of portable terminal, relates to the access terminal acquisition methods of maximum transmission power of (MAT, Multi-Access Terminal is hereinafter to be referred as multi-access terminal) of a plurality of radio especially.
Background technology
Along with the development of 3G (third generation mobile technology), in a period of time that can expect future, the situation that certainly exists 2G (second generation mobile communication technology) and 3G mobile communications network and deposit.And from 2G in the stage of 3G mobile communications network transition, bimodulus or multi mode terminal become the fine selection that realizes the network smooth transition of two generations.In addition; Under the current a plurality of mobile networks and the situation of depositing; Bimodulus and multi mode terminal can effectively reduce the cost of operator, farthest protect existing customer's resource of operator, realize a plurality of mobile networks' fusion and professional smooth evolution; Its these effects and advantage more make its main product that becomes present Communications Market, to the also increase just day by day of demand of this type multi-access terminal.
Present known multi-access terminal exists multiple access module and multiple standby mode, exists the problem of multiple standard radio frequency phase mutual interference, and all needs soft, hardware technology to cooperatively interact and solve at aspects such as the calling of heterogeneous networks, controls.In the practical application scene; A plurality of transmitter modules of MAT will be introduced new Traffic Channel than single-mode terminal; The new physical channel of introducing can cause power peak-to-average force ratio (PAPR) and CM (Cubic Metric) to increase; Therefore need carry out the rollback adjustment to the transmitting power of MAT, be necessary terminal transmit power is carried out the strictness test.MAT also need carry out certain rollback to transmitting power in order to satisfy the requirement of specific absorption rate (SAR) in addition, has obviously different when therefore objectively causing the test of MAT maximum transmission power to exist with single-mode terminal.And at present in MAT maximum transmission power test process, all do not consider in the practical application scene constellation between a plurality of modules among the MAT.Therefore be necessary to utilize new method of testing to carry out the test of transmitter maximum power.
Summary of the invention
In order to address the above problem, the invention provides a kind of acquisition methods of MAT maximum transmission power, this method makes the result more accurate through the influencing factor of considering each wireless module among the MAT.
One aspect of the present invention provides a kind of acquisition methods of MAT maximum transmission power; May further comprise the steps: step 1; Set up the environment of a plurality of Radio Link operate as normal of multi-access terminal; Multi-access terminal is connected to tester, and a plurality of Radio Links of multi-access terminal are set to be in simultaneously loopback mode; Step 2, the maximum transmission power when checking the wireless module of each multi-access terminal to open separately respectively; Step 3 is opened all wireless modules of multi-access terminal, the maximum transmission power of check multi-access terminal; And step 4, the maximum transmission power and the desired value of multi-access terminal compared, and carry out back-off or increase, to confirm the transmitting power of each said wireless module according to comparative result.
Wherein, The step of the maximum transmission power when checking the wireless module of each multi-access terminal to open separately comprises following processing: a wireless module in the multi-access terminal is set to module to be measured; Close other all wireless modules, the operating frequency of module to be measured is set; And making the minimum operating power grade of module to be measured be maximum, the average power content on check successive frame or burst time series on the tester is as the maximum transmission power of module to be measured.
Wherein, the maximum transmission power desired value by such as emission interference, radiation, specific absorption rate and and other radio frequency parameters of maximum transmission power tolerance value determine.
The step of the maximum transmission power of check multi-access terminal may further comprise the steps: the operating frequency of multi-access terminal is set, and makes the lowest operating frequency grade of all wireless modules be maximum; And the average power content on check successive frame or burst time series on the tester is as the maximum transmission power of multi-access terminal.
The operating frequency that said multi-access terminal is set comprises: the operating frequency of multi-access terminal is set to belong to low frequency, medium frequency, the high-frequency of wireless communication mode, and the combination of different frequency between each wireless communication mode.
In step 4, when comparative result is the maximum transmission power of multi-access terminal during greater than said desired value, comprise following processing: the transmitting power of each wireless module of multi-access terminal is reduced predetermined value; And repeating step 3 is to step 4, and when the maximum transmission power of multi-access terminal was not more than said desired value, whether the maximum transmission power of judging multi-access terminal was less than the lower limit of desired value; If the maximum transmission power of multi-access terminal is not less than the lower limit of desired value, then confirm the maximum transmission power of each wireless module; And if the maximum transmission power of multi-access terminal is less than the lower limit of desired value; Then the transmitting power with each wireless module of multi-access terminal increases predetermined value; Repeating step 3 is to step 4, in the scope of maximum transmission power in desired value of multi-access terminal.
In said method, multi-access terminal can be connected to tester through coupler through cable or antenna.
Another aspect of the present invention provides a kind of system of definite multi-switch-in terminal maximum transmission power; Comprise: one or more testers; Be connected respectively to each wireless module of multi-access terminal; Maximum transmission power when being used for checking respectively the wireless module of each multi-access terminal to open separately, and be used for when opening all wireless modules of multi-access terminal the maximum transmission power of check multi-access terminal; And relatively confirm the unit, be used for the maximum transmission power of the multi-access terminal lower limit with the desired value of desired value and prescribed by standard is compared, and carry out back-off or increase, with the transmitting power of definite each wireless module according to comparative result.
In said system, multi-access terminal is connected to tester through cable or antenna through coupler.
According to the method for the invention and system; All the time consider that a plurality of radio insert the influencing factor of bringing for test environment among the MAT, therefore, test result tallies with the actual situation more and is more accurate; In addition, the present invention has also that environmental requirement is low, Easy Test, simple and easy to do advantage.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for definite multi-switch-in terminal maximum transmission power of the present invention;
Fig. 2 is that the cable of employed maximum transmission power test module among the present invention connects sketch map;
Fig. 3 uses the antenna of maximum transmission power test module to connect sketch map among the present invention;
Fig. 4 is the main flow chart according to the maximum transmission power method of testing of the embodiment of the invention; And
Fig. 5 is the system block diagram according to definite multi-switch-in terminal maximum transmission power of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 1 is the flow chart according to the method for definite multi-switch-in terminal maximum transmission power of the present invention.As shown in Figure 1, this method can may further comprise the steps:
Step S102 sets up the environment of a plurality of Radio Link operate as normal of multi-access terminal, multi-access terminal is connected to tester, and a plurality of Radio Links of multi-access terminal is set to be in simultaneously loopback mode;
Step S104, the maximum transmission power when checking the wireless module of each multi-access terminal to open separately respectively;
Step S106 opens all wireless modules of multi-access terminal, the maximum transmission power of check multi-access terminal; And
Step S108; The maximum transmission power and the desired value of multi-access terminal are compared, and carry out back-off or increase, to confirm the transmitting power of each said wireless module according to comparative result; Wherein, Each module is carried out back-off, and the result meets desired range of values when rollback, and then test is passed through.
Wherein, the maximum transmission power desired value by such as emission interference, radiation, specific absorption rate and and other radio frequency parameters of maximum transmission power tolerance value determine.
Wherein, The step of the maximum transmission power when checking the wireless module of each multi-access terminal to open separately comprises following processing: a wireless module in the multi-access terminal is set to module to be measured; Close other all wireless modules, the operating frequency of module to be measured is set; And making the minimum operating power grade of module to be measured be maximum, the average power content on check successive frame or burst time series on the tester is as the maximum transmission power of module to be measured.
The step of the maximum transmission power of check multi-access terminal may further comprise the steps: the operating frequency of multi-access terminal is set, and makes the lowest operating frequency grade of all wireless modules be maximum; And the average power content on check successive frame or burst time series on the tester is as the maximum transmission power of multi-access terminal.
The operating frequency that said multi-access terminal is set comprises: the operating frequency of multi-access terminal is set to belong to low frequency, medium frequency, the high-frequency of wireless communication mode, and the combination of different frequency between each wireless communication mode.
In step S108, when comparative result is the maximum transmission power of multi-access terminal during greater than said desired value, comprise following processing: the transmitting power of each wireless module of multi-access terminal is reduced predetermined value; And repeating step S106 is to step S108, and when the maximum transmission power of multi-access terminal was not more than said desired value, whether the maximum transmission power of judging multi-access terminal was less than the lower limit of desired value; If the maximum transmission power of multi-access terminal is not less than the lower limit of desired value, then confirm the maximum transmission power of each wireless module; And if the maximum transmission power of multi-access terminal is less than the lower limit of desired value; Then the transmitting power with each wireless module of multi-access terminal increases predetermined value; Repeating step S106 is to step S108, in the scope of maximum transmission power in desired value of multi-access terminal.
In said method, multi-access terminal can be connected to tester through coupler through cable or antenna.
(User Equipment UE) is example to the subscriber equipment that following MAT inserts with two GSM standards, and this MAT is made up of two gsm module RNUT and RUT.
The method of testing of MAT maximum transmission power is described below in conjunction with accompanying drawing.Fig. 2 is that the cable of employed maximum transmission power test module among the present invention connects sketch map; Fig. 3 uses the antenna of maximum transmission power test module to connect sketch map among the present invention, and Fig. 4 is the main flow chart according to the maximum transmission power method of testing of the embodiment of the invention.
As shown in Figure 2, MAT comprises RNUT and RUT, and wherein RNUT is the UE that two GSM standards insert; RNUT is connected a coupler respectively with RUT, connected system simulator 1 under the coupler of RNUT side, connected system simulator 2 under the coupler of RUT side.
As shown in Figure 4, adopt following steps according to the maximum transmission power method of testing of the embodiment of the invention:
Step S402; Set up the environment of a plurality of Radio Link operate as normal of MAT; And a plurality of Radio Links of MAT are set to be in loopback mode simultaneously, in addition, when as shown in Figure 3 when connecting testing apparatus; Should note to change the polarised direction of coupler leading portion test antenna and in polarizing voltage, thereby make MAT and coupler front end emission and reception be in optimum state;
Step S404 closes the RNUT module, and the operating frequency that the RUT that GSM to be measured inserts is set is a channel 1, and its work lowest power is controlled to be maximum, and for example, the power rank is 4, and the lowest power controlling grade is 4;
Step S406, on system simulator 2, the average power content P on test successive frame or the burst time series, this value is this RUT maximum transmission power;
Step S408 opens all wireless modules of MAT, and the operating frequency of radio module to be measured is set, and makes the minimum operating power grade of all modules be maximum; For example, module 1 operating frequency is a channel 1, and its work lowest power is controlled to be maximum, for example; The power rank is 4, and the lowest power controlling grade is 4, module 2; Channel is 1, power rank 5, and power level control does not select 7;
Step S410, the average power content P on test successive frame or burst time series on the system simulator 1,2 calculates maximum transmission power on all system simulators from the individual, obtains the maximum transmission power of MAT; And
Step S412 if the test value among the step S410 surpasses desired value, then carries out back-off to each module, for example, respectively to module 1 and module 2 rollback 2dB, repeats the test among the S410.
Wherein, The operating frequency of radio RUT to be measured among the step S404 is set to belong to basic, normal, high three frequencies of wireless communication mode respectively, for example, channel 62 and 124; And between different mode, carry out carrying out the test of subsequent step respectively by the different frequency combination.
Change RUT and RNUT module repeating step S404 and S406 and can obtain the maximum transmission power that MAT goes up disparate modules.
In addition; The operating frequency of MAT among the step S408 is set to belong to basic, normal, high three frequencies of wireless communication mode respectively; For example, module 1 is selected channel 1,62,124 respectively, and module 2 selects 512,679,885 to carry out matched combined; And between different mode, carry out carrying out the test of subsequent step respectively by the different frequency combination.
Fig. 5 is system's 500 block diagrams according to definite multi-switch-in terminal maximum transmission power of the present invention.As shown in Figure 5; This system comprises: one or more testers 502; Be connected respectively to each wireless module of multi-access terminal; Maximum transmission power when being used for checking respectively the wireless module of each multi-access terminal to open separately, and be used for when opening all wireless modules of multi-access terminal the maximum transmission power of check multi-access terminal; And relatively confirm unit 504, be used for the maximum transmission power of the multi-access terminal lower limit with the desired value of desired value and prescribed by standard is compared, and carry out back-off or increase, with the transmitting power of definite each wireless module according to comparative result.
In said system 500, multi-access terminal is connected to tester through cable or antenna through coupler.
In sum, through the present invention, considered that a plurality of radio insert the influencing factor of bringing for test environment among the MAT; Therefore; Test result tallies with the actual situation more and is more accurate, and in addition, the present invention has also that environmental requirement is low, Easy Test, simple and easy to do advantage.
More than be merely 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 changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the method for a definite multi-switch-in terminal maximum transmission power is characterized in that, may further comprise the steps:
Step 1 is set up the environment of a plurality of Radio Link operate as normal of multi-access terminal, said multi-access terminal is connected to tester, and a plurality of Radio Links of said multi-access terminal is set to be in simultaneously loopback mode;
Step 2, the maximum transmission power when checking the wireless module of each said multi-access terminal to open separately respectively;
Step 3 is opened all wireless modules of said multi-access terminal, checks the maximum transmission power of said multi-access terminal; And
Step 4 compares the lower limit of the desired value of the maximum transmission power of said multi-access terminal and desired value and prescribed by standard, and carries out back-off or increase according to comparative result, to confirm the transmitting power of each said wireless module;
Wherein, in said step 4, when comparative result is the maximum transmission power of said multi-access terminal during greater than said desired value, carry out following processing:
The transmitting power rollback of each wireless module of said multi-access terminal is reduced predetermined value; And
Repeating step 3 is to step 4, and when the maximum transmission power of said multi-access terminal was not more than said desired value, whether the maximum transmission power of judging said multi-access terminal less than the lower limit of said desired value,
If the maximum transmission power of said multi-access terminal is not less than the lower limit of said desired value, then confirm the maximum transmission power of each said wireless module;
If the maximum transmission power of said multi-access terminal is less than the lower limit of said desired value; Then the transmitting power with each wireless module of said multi-access terminal increases predetermined value; Repeating step 3 is to step 4, in the scope of maximum transmission power in said desired value of said multi-access terminal.
2. method according to claim 1 is characterized in that, the step of the maximum transmission power the when wireless module of said each said multi-access terminal of check is opened separately comprises following processing:
A wireless module in the said multi-access terminal is set to module to be measured, closes other all wireless modules, and the operating frequency of said module to be measured is set; And
The minimum operating power grade that makes said module to be measured is for maximum, and the average power content on check successive frame or burst time series on the said tester is as the maximum transmission power of said module to be measured.
3. method according to claim 2 is characterized in that, the said operating frequency that said module to be measured is set comprises that the operating frequency of said module to be measured respectively is set to low frequency, medium frequency and the high-frequency of wireless communication mode.
4. method according to claim 1 is characterized in that, the maximum transmission power of the said multi-access terminal of said check may further comprise the steps:
The operating frequency of said multi-access terminal is set, and makes the lowest operating frequency grade of all wireless modules be maximum; And
Average power content on check successive frame or burst time series on the tester is as the maximum transmission power of said multi-access terminal.
5. method according to claim 4; It is characterized in that; The said operating frequency that said multi-access terminal is set comprises: the operating frequency of said multi-access terminal is set to belong to low frequency, medium frequency, the high-frequency of wireless communication mode, and the combination of different frequency between each wireless communication mode.
6. method according to claim 1 is characterized in that, the said desired value of said maximum transmission power determines by radio frequency parameter, wherein,
Said radio frequency parameter comprises: emission interference, radiation, specific absorption rate and and maximum transmission power tolerance value.
7. according to each described method in the claim 1 to 6, it is characterized in that said multi-access terminal is connected to said tester through cable or antenna through coupler.
8. the system of a definite multi-switch-in terminal maximum transmission power is characterized in that, comprising:
One or more testers; Be connected respectively to each wireless module of multi-access terminal; Maximum transmission power when being used for checking respectively the wireless module of each said multi-access terminal to open separately; And be used for when opening all wireless modules of said multi-access terminal, checking the maximum transmission power of said multi-access terminal; And
Relatively confirm the unit; Be used for the lower limit of the desired value of the said maximum transmission power of stating multi-access terminal and desired value and prescribed by standard is compared; And carry out back-off or increase according to comparative result, to confirm the transmitting power of each said wireless module;
Wherein, said relatively more definite unit is confirmed the transmitting power of each said wireless module in the following manner:
When comparative result is the maximum transmission power of said multi-access terminal during greater than said desired value, the transmitting power rollback of each wireless module of said multi-access terminal is reduced predetermined value; And; Trigger said one or more tester; Check the maximum transmission power of said multi-access terminal, when the maximum transmission power of said multi-access terminal was not more than said desired value, whether the maximum transmission power of judging said multi-access terminal was less than the lower limit of said desired value; If the maximum transmission power of said multi-access terminal is not less than the lower limit of said desired value, then confirm the maximum transmission power of each said wireless module; If the maximum transmission power of said multi-access terminal is less than the lower limit of said desired value; Then the transmitting power with each wireless module of said multi-access terminal increases predetermined value; Trigger said one or more tester; Check the maximum transmission power of said multi-access terminal, in the scope of maximum transmission power in said desired value of said multi-access terminal.
9. system according to claim 8 is characterized in that, each wireless module of said multi-access terminal is connected to said tester through cable or antenna through coupler.
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| CN2007101093056A CN101068122B (en) | 2007-05-25 | 2007-05-25 | Multi-switch-in terminal maximum transmission power obtaining method |
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| CN2007101093056A CN101068122B (en) | 2007-05-25 | 2007-05-25 | Multi-switch-in terminal maximum transmission power obtaining method |
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| CN101068122B true CN101068122B (en) | 2012-11-28 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9084201B2 (en) | 2008-01-25 | 2015-07-14 | Qualcomm Incorporated | Power headroom management in wireless communication systems |
| 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 |
| US9467941B2 (en) * | 2012-06-07 | 2016-10-11 | Qualcomm Incorporated | Power based fast dormancy |
| CN104869202B (en) * | 2015-04-03 | 2018-09-14 | 深圳市财富之舟科技有限公司 | A kind of producing line calibrates comprehensive survey method and producing line calibrates comprehensive survey device |
| WO2019041308A1 (en) * | 2017-09-01 | 2019-03-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Power back-off controlling method, apparatus and equipment |
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| CN1433597A (en) * | 1999-12-08 | 2003-07-30 | 艾利森电话股份有限公司 | Transmission power control of mobile station |
| CN1511384A (en) * | 2001-09-03 | 2004-07-07 | 三菱电机株式会社 | Transmission power control method in wireless mobile device |
| 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 |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1433597A (en) * | 1999-12-08 | 2003-07-30 | 艾利森电话股份有限公司 | Transmission power control of mobile station |
| 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 |
| CN1511384A (en) * | 2001-09-03 | 2004-07-07 | 三菱电机株式会社 | Transmission power control method in wireless mobile device |
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