CN101035387B - Testing method of multi-access terminal channel restraint - Google Patents
Testing method of multi-access terminal channel restraint Download PDFInfo
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- CN101035387B CN101035387B CN2007101004457A CN200710100445A CN101035387B CN 101035387 B CN101035387 B CN 101035387B CN 2007101004457 A CN2007101004457 A CN 2007101004457A CN 200710100445 A CN200710100445 A CN 200710100445A CN 101035387 B CN101035387 B CN 101035387B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention is a channel prohibition test method of multiaccess terminal (MAT), comprising the steps of: (1) establishing normal operating environments of multiple wireless links of MAT and setting these wireless links in a loop mode at the same time; (2) setting transmission power of MAT to be the highest; (3) respectively working frequencies of RNUT and RUT and making RNUT and RUT in the normal working mode; (4) for RUT, generating an interference signal on signal source and add the interference signal and the normal working signal on system simulator together onto MAT; (5) testing the value of bit error rate (BER); (6) if the test result is greater than the set value, reducing the transmission power of MAT and entering into the step (3) for retesting; otherwise outputting the test result and ending the test. And it can make the test result more accord with the actual conditions and more accurate.
Description
Technical field
The present invention relates to a kind of parameter test method of portable terminal, relate in particular to a plurality of radio insert the GSM mode mobile terminals (hereinafter to be referred as multi-access terminal, Multi-Access Terminal, the method for testing that channel MAT) suppresses.
Background technology
Along with the development of the third generation (3G) mobile communication technology, in several years of Chinese future, the situation that certainly exists 2G 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 class multi-access terminal.
Present known multi-access terminal exists multiple access module and multiple standby mode, but multiple standard radio frequency can phase mutual interference, and all need soft, hardware technology to cooperatively interact and solve at aspects such as the calling of heterogeneous networks, controls.In the practical application scene, (Radio Not Under Test, RNUT) (Radio Under Tes, the relative RUT of influencing factor RUT) are coloured interference of an anisotropic to non-radio to be measured to radio to be measured.The objective reality of RNUT has obvious difference when causing the receiving sensitivity of RUT to compare the RUT individualism.And suppress not consider that all RNUT is to the influencing factor of RUT in the practical application scene in the test process at the MAT channel at present.Therefore be necessary the RNUT equivalence is the coloured noise source of RUT, need under the environment of described coloured noise source, carry out the receiving sensitivity test of RUT.
Summary of the invention
Technical problem to be solved by this invention provides the method for testing that a kind of MAT channel suppresses, and this method makes test result more accurate by the influencing factor of considering RNUT.
The present invention realizes by the following method.
A kind of channel prohibition test method of multiaccess terminal, described multi-access terminal comprise that RNUT is that non-radio to be measured and RUT are radio to be measured, and described method of testing may further comprise the steps:
(1), set up the environment of a plurality of Radio Link operate as normal of MAT, and a plurality of Radio Links that described MAT is set are in loopback mode simultaneously;
(2), the transmitting power of MAT is set for maximum;
(3) operating frequency of RNUT and RUT is set respectively, makes RNUT and RUT be in normal mode of operation respectively;
(4), RUT is produced interference signal on signal source, and the operate as normal signal of described interference signal on system simulator is added on the MAT;
(5) the smallest sample number sequence row of check successive frame on tester, and the bit error rate BER value of test RUT;
(6) if the test result in the step (5) greater than set point, then reduces the transmitting power of MAT, enter the test that step (3) is carried out subsequent step again; Test otherwise output test result and finish.
Wherein, the operating frequency of RNUT described in the step (3) and RUT is set to the combination in any of basic, normal, high three frequencies of place standard respectively, and carries out the test of subsequent step respectively.
Wherein, in step (4), described interference signal is made as continuous interference signal of the lower Stochastic Modulation of modulating frequency and the higher Frequency Hopping Signal of modulating frequency respectively, carries out the test of subsequent step respectively.
Wherein, in step (4), described interference signal also is made as the lower continuous interference signal of Stochastic Modulation of modulating frequency that produces on signal source, the nominal frequency of described interference signal is set to several grades than the high certain value of RUT operating frequency respectively, be added to the operate as normal signal on described interference signal and the system simulator on the MAT together, carry out the test of subsequent step respectively, face channel with test and suppress ability.
The present invention is owing to consider all the time that in test process RNUT is the influencing factor that test environment brings, thus test result tally with the actual situation more, more accurate; The present invention and have that environmental requirement is low, Easy Test, simple and easy to do advantage.
Description of drawings
Fig. 1 is that channel of the present invention suppresses the test module connection diagram;
Fig. 2 is that another channel of the present invention suppresses the test module connection diagram;
Fig. 3 is that channel of the present invention suppresses the method for testing schematic flow sheet.
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 description and interpretation the present invention, and be not used in qualification the present invention.
(User Equipment UE) is example to the subscriber equipment that following MAT inserts with two GSM standards, and this MAT is made of RNUT and RUT, and describes the method for testing that the MAT channel suppresses in conjunction with the accompanying drawings.
As shown in Figure 1, MAT comprises RNUT and RUT; RNUT is connected a coupler respectively with RUT, connected system simulator 1 under the coupler of RNUT side, and connected system simulator 2 under the coupler of RUT side, the coupler of RNUT side also connects power divider, the input in this power divider received signal source 1,2.
With reference to Fig. 3, method of the present invention is taked following steps:
Step S1 sets up the environment of a plurality of Radio Link operate as normal of MAT, and a plurality of Radio Links that described MAT is set are in loopback mode simultaneously.Also can connect testing apparatus among the step S1, note the polarised direction of change coupler leading portion test antenna this moment and, make MAT and coupler front end emission and reception be in optimum state in polarizing voltage by Fig. 2.
Step S2 selects the working frequency range of the RUT that GSM to be measured inserts, it is set is in normal mode of operation; It is channel 1 that operating frequency can be set, and its operating power is 33dBm.
Step S3, adjust RNUT work in respectively place GSM standard low, in and on the Senior Three frequency, work in respectively under channel 1, channel 62 and channel 124 frequencies as non-GSM900M module to be measured, and keep RNUT and work under the normal mode of operation and test, and its transmitting power is set to maximum;
The operating frequency that the RNUT of non-GSM access to be measured can be set is a low frequency, and as channel 1, its transmitting power is made as maximum, and as when the power grade controlled stage is 5, its transmitting power is that 33dBm carries out normal talking.
Step S4 produces a continuous interference signal of Stochastic Modulation (the level ratio useful signal hangs down 9dB) that modulating frequency is lower to RUT on signal source, and the operate as normal signal of described interference signal and system simulator 2 upper signal channels 1 is added on the MAT together.
Step S5, the smallest sample number sequence row of check successive frame on tester, and the bit error rate BER value of test RUT, then are considered as this test and do not pass through greater than 2.4% as the BER value.
Step S6 all is set to the high Frequency Hopping Signal of modulating frequency with useful signal and interference signal, as when the GSM900M, is operated in channel 62 even 124; The test of repeating step S5 then.
Step S7, RUT is produced a continuous interference signal of Stochastic Modulation that modulating frequency is lower on signal source, the frequency configuration of described interference signal is the several grades than the high certain value of RUT operating frequency, as being provided with respectively, and be added to the operate as normal signal on described interference signal and the system simulator on the MAT together than the high 200kHz of useful signal, 400kHz and 600kHz; The test of repeating step S5 then, then is considered as this test and does not pass through greater than 2.4% as the BER value.
Step S8 if S4 can not meet the demands to the test result of S7, then reduces the transmitting power of MAT and tests, and being reduced to class 6 as the power controlling grade is 31dBm, this moment back-off 2dBm, till test result meets the demands.
Above-mentioned steps S4 is that common channel suppresses ability to the S6 test, and what step S7 tested is to face channel to suppress ability.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, 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 (5)
1. channel prohibition test method of multiaccess terminal, described multi-access terminal comprises that RNUT is that non-radio to be measured and RUT are radio to be measured, is characterized in that described method of testing may further comprise the steps:
(1), set up the environment of a plurality of Radio Link operate as normal of MAT, and a plurality of Radio Links that described MAT is set are in loopback mode simultaneously;
(2), the transmitting power of MAT is set for maximum;
(3) operating frequency of RNUT and RUT is set respectively, makes RNUT and RUT be in normal mode of operation respectively;
(4), RUT is produced interference signal on signal source, and the operate as normal signal of described interference signal on system simulator is added on the MAT;
(5) the smallest sample number sequence row of check successive frame on tester, and the bit error rate BER value of test RUT;
(6) if the test result in the step (5) greater than set point, then reduces the transmitting power of MAT, enter the test that step (3) is carried out subsequent step again; Test otherwise output test result and finish.
2. channel prohibition test method of multiaccess terminal as claimed in claim 1, it is characterized in that: the operating frequency of RNUT described in the step (3) and RUT is set to the combination in any of basic, normal, high three frequencies of place standard respectively, carries out the test of subsequent step respectively.
3. channel prohibition test method of multiaccess terminal as claimed in claim 1 or 2, it is characterized in that: in step (4), described interference signal is made as continuous interference signal of the lower Stochastic Modulation of modulating frequency and the higher Frequency Hopping Signal of modulating frequency respectively, carries out the test of subsequent step respectively.
4. channel prohibition test method of multiaccess terminal as claimed in claim 1 or 2, it is characterized in that: in step (4), the modulating frequency lower Stochastic Modulation continuous interference signal of described interference signal on signal source, producing, the nominal frequency of described interference signal is set to several grades than the high certain value of RUT operating frequency respectively, be added to the operate as normal signal on described interference signal and the system simulator on the MAT together, carry out the test of subsequent step respectively, suppress ability with the test side channel.
5. channel prohibition test method of multiaccess terminal as claimed in claim 3, it is characterized in that: in step (4), also comprise, described interference signal is made as the lower continuous interference signal of Stochastic Modulation of modulating frequency that on signal source, produces, the nominal frequency of described interference signal is set to several grades than the high certain value of RUT operating frequency respectively, be added to the operate as normal signal on described interference signal and the system simulator on the MAT together, carry out the test of subsequent step respectively, suppress ability with the test side channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101004457A CN101035387B (en) | 2007-04-06 | 2007-04-06 | Testing method of multi-access terminal channel restraint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101004457A CN101035387B (en) | 2007-04-06 | 2007-04-06 | Testing method of multi-access terminal channel restraint |
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| CN101035387A CN101035387A (en) | 2007-09-12 |
| CN101035387B true CN101035387B (en) | 2011-12-28 |
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| CN2007101004457A Expired - Fee Related CN101035387B (en) | 2007-04-06 | 2007-04-06 | Testing method of multi-access terminal channel restraint |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2263345A1 (en) * | 2008-03-31 | 2010-12-22 | Nokia Siemens Networks OY | Method and device for testing a mobile station's capability of processing at least one second channel and communication system comprising such device |
| CN101969349B (en) * | 2009-07-28 | 2014-08-13 | 中兴通讯股份有限公司 | Measuring method for space transmission power of receiving terminal under test in multi-access terminal |
| CN102045755B (en) * | 2009-10-15 | 2014-12-10 | 中兴通讯股份有限公司 | Method and device for measuring addictive maximum power attenuation |
| US9253658B2 (en) * | 2012-08-01 | 2016-02-02 | Qualcomm Incorporated | Management of uncoordinated interference |
| CN106160895B (en) * | 2015-03-27 | 2019-06-25 | 中国移动通信集团公司 | A kind of mutual disturbed test method and system suitable for reverberation chamber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154638A (en) * | 1998-01-16 | 2000-11-28 | Lucent Technologies Inc. | Methods and apparatus for determining forward and reverse link performance in a wireless communication system |
| CN1889400A (en) * | 2006-08-07 | 2007-01-03 | Ut斯达康通讯有限公司 | Multi-mode cell phone capable of suppressing PHS mode radio frequency interference |
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2007
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154638A (en) * | 1998-01-16 | 2000-11-28 | Lucent Technologies Inc. | Methods and apparatus for determining forward and reverse link performance in a wireless communication system |
| CN1889400A (en) * | 2006-08-07 | 2007-01-03 | Ut斯达康通讯有限公司 | Multi-mode cell phone capable of suppressing PHS mode radio frequency interference |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国信息产业部.GSM/CDMA 1X双模数字移动台测试方法.《YD/T 1395-2006》.2006, * |
| 施武林.GSM多频终端射频技术研究.《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》.2007, * |
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