CN101212745A - Method for mutual interference performance test of dual-mode dual-standby mobile terminal - Google Patents
Method for mutual interference performance test of dual-mode dual-standby mobile terminal Download PDFInfo
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Abstract
The invention discloses a mutual interference performance test method for a double module and double set cell phone. The method is carried out in a microwave anechoic chamber and comprises the following steps: a radio frequency module 1 and a test instrument establish connecting link through a space coupling method and calibrate and compensate link loss; a radio frequency module 2 is turned off or stood-by to test the sensitivity of the radio frequency module 1; the radio frequency module 2 and the test instrument establish connecting link through a space coupling method and continue transmit the link with the largest power to test the sensitivity of the radio frequency module 1; when turn-off or stood-by, the sensitivity of the radio frequency module 2 is compared with the sensitivity of the radio frequency module 1 tested at the time of being turn-on, thus obtaining the interference of the radio frequency module 2 to the receiving sensitivity of the radio frequency module 1. Use of the method can quantificationally test the mutual interference between the two radio frequency modules of TD-SCDMA/GSM, TD-SCDMA/CDMA, CDMA/GMS and TD-SCDMA/PHS double module and double set cell phones, and conduct quantificational comparison the mutual interference degrees of different cell phones.
Description
Technical field
The present invention relates to a kind of method of mutual interference performance test of dual-mode dual-standby mobile terminal.
Background technology
The intersection of mobile communication technology development and with or transition period, dual-mode handset provides selection for people deal with problems.3G network as Chinese independent research, TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, hereinafter to be referred as TD) network will begin in the near future the trial run, but have in the face of the comprehensive inadequately problem of the network coverage at first stage of construction, if can not resolve this realistic problem, the TD network user's development will be influenced greatly.And the preferred embodiments that addresses this problem at present, mend net by other network for the TD network exactly, in the environment that has the TD network, the user can use the superior function of 3G network, under the situation that does not have the TD network, also can use the service guarantees user's of other network normal communication.Cheng Shu GSM (Global System for Mobile Communication) network just in time satisfies above condition already, if adopt TD/GSM dual-mode dual-standby machine equipment, just can satisfy the demand of TD+GSM network.To transition period of 3G, the mobile phone that on the market 2G is combined with 3G has very big demand at 2G, and the TD/GSM dual-mode handset arises at the historic moment.
Dual-mode handset in the past can only be realized the dual-mode single-standby function, and promptly in a kind of pattern work, another pattern is in closed condition.The very important characteristics of TD/GSM dual-mode handset of a new generation will realize the double-module double-standby function exactly, and promptly TD module and gsm module can be in holding state simultaneously, can answer the phone of any one network.And when answering a network (for example TD network) phone, another one module (for example gsm module) is in holding state, can receive the calling of another network (for example GSM network).
The problem of a maximum of this double model double standby phone is exactly whether the radio frequency part of TD and GSM can interfere with each other, when promptly two kinds of patterns are worked simultaneously, can a kind of pattern cause interference to another pattern? if interference is arranged, how to go to weigh? same problem also can appear in TD-SCDMA/CDMA, CDMA/GMS and the TD-SCDMA/PHS double model double standby phone.
The working frequency range of gsm system is GSM900 RX/TX:935～960MHz/890～915MHz, and maximum transmission power is 33dBm, and DCS1800RX/TX:1805～1880MHz/1710～1785MHz, maximum transmission power are 30dBm; The TD-SCDMA working frequency range is 2010～2025MHz, maximum transmission power 24dBm.The CDMA working frequency range is RX/TX:869～894MHz/824～849MHz, the PHS working frequency range is 1900MHz～1920MHz, when realizing two standby in various dual-mode handsets, two radio-frequency modules of mobile phone transmit and might become the barrage jamming of the other side's receiver.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of double model double standby phone mutual interference performance test.This method can be quantitative test out TD-SCDMA/GSM, TD-SCDMA/CDMA, CDMA/GMS and two radio-frequency modules of TD-SCDMA/PHS double model double standby phone separately receiving sensitivity when working simultaneously, and the degree of phase mutual interference, can be quantitative different double model double standby phone radio-frequency performances are compared.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
In microwave dark room, only allow double model double standby phone radio-frequency module 1 adopt spatial coupling and tester to connect, test out the sensitivity of radio-frequency module 1; Maintenance radio-frequency module 1 is connected with tester, and double model double standby phone radio-frequency module 2 adopts spatial coupling and tester to connect, and allows radio-frequency module 2 continuously with maximum power transmission simultaneously, and tests out the sensitivity of radio-frequency module 1; The difference of radio-frequency module 1 sensitivity of twice test can reflect the annoyance level of 2 pairs of radio-frequency modules 1 of double model double standby phone radio-frequency module.With same method can be quantitative the annoyance level that tests out 1 pair of radio-frequency module 2 of double model double standby phone radio-frequency module.
Double model double standby phone mutual interference performance test method of the present invention is operating as more specifically, carries out following steps in microwave dark room:
Radio-frequency module 1 and tester are with connect link and link load calibrated and compensate of spatial coupling;
Radio-frequency module 2 is closed or standby, test out the sensitivity of radio-frequency module 1;
Open radio-frequency module 2, and with tester with the spatial coupling link that connects;
Radio-frequency module 2 is launched continuously with maximum power, measured the sensitivity of radio-frequency module 1;
The sensitivity contrast of the radio-frequency module 1 that the sensitivity of the radio-frequency module 1 of radio-frequency module 2 being closed or measuring during standby is measured when opening radio-frequency module 2 draws the disturbed condition of 2 pairs of radio-frequency module 1 receiving sensitivities of radio-frequency module.
As a kind of preferred technical method, radio-frequency module 1 is set to the TD-SCDMA radio-frequency module, and radio-frequency module 2 correspondingly is the GSM radio-frequency module.
Further, the GSM radio-frequency module close or standby time test TD-SCDMA radio-frequency module in the sensitivity of 10054 channels; Make the GSM radio-frequency module be made as 512 channels successively with maximum power transmission and working channel, 699 channels, 885 channels, 1 channel is measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively;
Further, make the GSM radio-frequency module be made as 62 channels successively with maximum power transmission and working channel, 124 channels are measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively.
Further again, radio-frequency module 1 is the GSM radio-frequency module, and radio-frequency module 2 correspondingly is the TD-SCDMA radio-frequency module.
Further, the TD-SCDMA radio-frequency module is closed or is measured the GSM radio-frequency module at 512 channels, 699 channels, 885 channels, the sensitivity of 1 channel during standby;
Further, measure the GSM radio-frequency module at 62 channels, the sensitivity of 124 channels.
Further, the TD-SCDMA radio-frequency module is measured the GSM radio-frequency module at 512 channels, 699 channels, 885 channels, the sensitivity of 1 channel at 10054 channels during with maximum power transmission.
Further, the TD-SCDMA radio-frequency module is measured the GSM radio-frequency module at 62 channels, the sensitivity of 124 channels at 10054 channels during with maximum power transmission.
As the another kind of optimized technical scheme of the present invention, radio-frequency module 1 is the TD-SCDMA radio-frequency module, and radio-frequency module 2 correspondingly is the CDMA radio-frequency module;
The CDMA radio-frequency module close or standby time test TD-SCDMA radio-frequency module in the sensitivity of 10054 channels;
Make the CDMA radio-frequency module be made as 1013 channels successively with maximum power transmission and working channel, 384 channels, 777 channels are measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively.
Further, radio-frequency module 1 is the CDMA radio-frequency module, and radio-frequency module 2 correspondingly is the TD-SCDMA radio-frequency module;
The TD-SCDMA radio-frequency module is closed or is measured the CDMA radio-frequency module at 1013 channels, 384 channels, the sensitivity of 777 channels during standby;
The TD-SCDMA radio-frequency module is measured the CDMA radio-frequency module at 1013 channels, 384 channels, the sensitivity of 777 channels at 10054 channels during with maximum power transmission.
As not a kind of optimized technical scheme of the present invention, radio-frequency module 1 is the TD-SCDMA radio-frequency module, and radio-frequency module 2 correspondingly is the PHS radio-frequency module;
The PHS radio-frequency module close or standby time test TD-SCDMA radio-frequency module in the sensitivity of 10054 channels;
Make the PHS radio-frequency module be made as 1 channel with maximum power transmission and working channel, 4 channels, 66 channels are measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively.
Further, radio-frequency module 1 is the PHS radio-frequency module, and radio-frequency module 2 correspondingly is the TD-SCDMA radio-frequency module;
The TD-SCDMA radio-frequency module is closed or is measured the PHS radio-frequency module at 1 channel, 4 channels, the sensitivity of 66 channels during standby;
The TD-SCDMA radio-frequency module is measured the PHS radio-frequency module at 1 channel, 4 channels, the sensitivity of 66 channels at 10054 channels during with maximum power transmission.
As another optimized technical scheme of the present invention, radio-frequency module 1 is the CDMA radio-frequency module, and radio-frequency module 2 correspondingly is the GSM radio-frequency module;
The GSM radio-frequency module close or standby time test CDMA radio-frequency module in the sensitivity of 777 channels;
The GSM radio-frequency module is made as at 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels with maximum power transmission and working channel, measures of the sensitivity of corresponding CDMA module respectively at 777 channels.
Further, radio-frequency module 1 is the GSM radio-frequency module, and radio-frequency module 2 correspondingly is the CDMA radio-frequency module;
The sensitivity of GSM radio-frequency module at 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels is closed or measured during standby to the CDMA radio-frequency module;
The CDMA radio-frequency module is measured the sensitivity of GSM radio-frequency module at 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels during with maximum power transmission at 777 channels.
That adopts that this method can be quantitative tests out phase mutual interference between TD-SCDMA/GSM, TD-SCDMA/CDMA, CDMA/GMS and TD-SCDMA/PHS double model double standby phone two radio-frequency modules, and different mobile phone mutual interference degree are made quantitative comparison.
Description of drawings
Fig. 1 is the testing procedure of radio-frequency module 1 transmitter for the influence of radio-frequency module 2 receiver receiving sensitivities;
Fig. 2 is the testing procedures of radio-frequency module 2 transmitters for the influence of radio-frequency module 1 receiver receiving sensitivity.
Embodiment
Specific embodiment to the inventive method technical scheme is described in further detail below:
Fig. 1 is the testing process of GSM transmitter for the influence of TD-SCDMA receiving sensitivity, divides following several steps:
1) in the microwave dark room, comprehensive test instrument and dual-mode terminal adopt spatial coupling, by the antenna link that connects, before the test link load are calibrated and are compensated;
2) close gsm module, only connect the TD-SCDMA module, measure of the sensitivity of TD-SCDMA pattern at 10054 channels;
3) the TD-SCDMA module keeps being connected with the TD-SCDMA comprehensive test instrument, opens the GSM pattern, and gsm module and GSM comprehensive test instrument are connected;
4) make the gsm module of dual-mode terminal be operated in 512 channels, and allow GSM, measure this moment TD-SCDMA module in the sensitivity of 10054 channels with maximum power transmission;
5) channel of GSM is changed into 699 channels successively, 885 channels, 1 channel, 62 channels, 124 channels are measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively;
The sensitivity of the TD-SCDMA module during 6) with dual mode communication and the sensitivity when only opening the TD-SCDMA single mode contrast, and can obtain the disturbed condition of GSM transmitter for the TD-SCDMA receiving sensitivity.
Fig. 2 is the testing process of TD-SCDMA transmitter for the influence of GSM receiving sensitivity, divides following several steps:
1) in the microwave dark room, comprehensive test instrument and dual-mode terminal adopt spatial coupling, by the antenna link that connects, before the test link load are calibrated and are compensated;
2) the TD-SCDMA module is closed, and only connects gsm module, measures the sensitivity of GSM pattern at 512 channels, 699 channels, 885 channels, 1 channel, 62 channels and 124 channels respectively;
3) gsm module keeps being connected with the GSM comprehensive test instrument, opens the TD-SCDMA pattern, and TD-SCDMA module and TD-SCDMA comprehensive test instrument are connected at 10054 channels;
4) the TD-SCDMA module of dual-mode terminal is with maximum power transmission, measures this moment GSM more respectively in the sensitivity of above-mentioned 6 channels;
The sensitivity of the gsm module during 5) with dual mode communication and the sensitivity when only opening the gsm module single mode contrast, and can obtain the disturbed condition of TD-SCDMA transmitter for the GSM receiving sensitivity
For the TD-SCDMA/CDMA double model double standby phone, radio-frequency module 1 can be CDMA radio-frequency module or TD radio-frequency module one of them, radio-frequency module 2 is another modules;
The test of CDMA radio-frequency module is in the sensitivity of 1013 channels, 384 channels and 777 channels;
The test of TD radio-frequency module is in the sensitivity of 10054 channels;
When testing the CDMA radio-frequency module, need allow the CDMA radio-frequency module, test the sensitivity of TD radio-frequency module respectively respectively at 1013 channels, 384 channels and 777 channels to TD radio-frequency module annoyance level;
For the TD-SCDMA/PHS double model double standby phone, radio-frequency module 1 can be PHS radio-frequency module or TD radio-frequency module one of them, radio-frequency module 2 is another modules;
The test of PHS radio-frequency module is in the sensitivity of 1 channel, 40 channels and 66 channels;
The test of TD radio-frequency module is in the sensitivity of 10054 channels;
When testing the PHS radio-frequency module, need allow the PHS radio-frequency module, test the sensitivity of TD radio-frequency module respectively respectively at 1 channel, 40 channels and 66 channels to TD radio-frequency module annoyance level;
For the CDMA/GSM double model double standby phone, radio-frequency module 1 can be GSM radio-frequency module or CDMA radio-frequency module one of them, radio-frequency module 2 is another modules;
The test of GSM radio-frequency module is in the sensitivity of 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels;
The test of CDMA radio-frequency module is in the sensitivity of 777 channels;
The testing GSM radio-frequency module need allow the GSM radio-frequency module launch continuously at 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels respectively during to CDMA radio-frequency module annoyance level, tests the sensitivity of CDMA radio-frequency module respectively;
As other optional technical schemes, when the sensitivity of measuring each radio-frequency module, can also select local channel in the above-mentioned channel or increase the channel that each radio-frequency module can work to compare measurement.
Claims (15)
1. a double model double standby phone mutual interference performance test method is characterized in that, carries out following steps in microwave dark room:
Radio-frequency module 1 and tester are with connect link and link load calibrated and compensate of spatial coupling;
Radio-frequency module 2 is closed or standby, test out the sensitivity of radio-frequency module 1;
Open radio-frequency module 2, and with tester with the spatial coupling link that connects;
Radio-frequency module 2 is launched continuously with maximum power, measured the sensitivity of radio-frequency module 1;
The sensitivity contrast of the radio-frequency module 1 that the sensitivity of the radio-frequency module 1 of radio-frequency module 2 being closed or measuring during standby is measured when opening radio-frequency module 2 draws the disturbed condition of 2 pairs of radio-frequency module 1 receiving sensitivities of radio-frequency module.
2. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the TD-SCDMA radio-frequency module, and radio-frequency module 2 correspondingly is the GSM radio-frequency module.
3. method as claimed in claim 2 is characterized in that:
The GSM radio-frequency module close or standby time test TD-SCDMA radio-frequency module in the sensitivity of 10054 channels;
Make the GSM radio-frequency module be made as 512 channels successively with maximum power transmission and working channel, 699 channels, 885 channels, 1 channel is measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively.
4. method as claimed in claim 3 is characterized in that, also comprises:
Make the GSM radio-frequency module be made as 62 channels successively with maximum power transmission and working channel, 124 channels are measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively.
5. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the GSM radio-frequency module, and radio-frequency module 2 correspondingly is the TD-SCDMA radio-frequency module.
6. method as claimed in claim 5 is characterized in that:
The TD-SCDMA radio-frequency module is closed or is measured the GSM radio-frequency module at 512 channels, 699 channels, 885 channels, the sensitivity of 1 channel during standby.
7. method as claimed in claim 6 is characterized in that, also comprises:
Measure the GSM radio-frequency module at 62 channels, the sensitivity of 124 channels.
8. method as claimed in claim 6 is characterized in that:
The TD-SCDMA radio-frequency module is measured the GSM radio-frequency module at 512 channels, 699 channels, 885 channels, the sensitivity of 1 channel at 10054 channels during with maximum power transmission.
9. method as claimed in claim 7 is characterized in that:
The TD-SCDMA radio-frequency module is measured the GSM radio-frequency module at 62 channels, the sensitivity of 124 channels at 10054 channels during with maximum power transmission.
10. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the TD-SCDMA radio-frequency module, and radio-frequency module 2 correspondingly is the CDMA radio-frequency module;
The CDMA radio-frequency module close or standby time test TD-SCDMA radio-frequency module in the sensitivity of 10054 channels;
Make the CDMA radio-frequency module be made as 1013 channels successively with maximum power transmission and working channel, 384 channels, 777 channels are measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively.
11. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the CDMA radio-frequency module, and radio-frequency module 2 correspondingly is the TD-SCDMA radio-frequency module;
The TD-SCDMA radio-frequency module is closed or is measured the CDMA radio-frequency module at 1013 channels, 384 channels, the sensitivity of 777 channels during standby;
The TD-SCDMA radio-frequency module is measured the CDMA radio-frequency module at 1013 channels, 384 channels, the sensitivity of 777 channels at 10054 channels during with maximum power transmission.
12. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the TD-SCDMA radio-frequency module, and radio-frequency module 2 correspondingly is the PHS radio-frequency module;
The PHS radio-frequency module close or standby time test TD-SCDMA radio-frequency module in the sensitivity of 10054 channels;
Make the PHS radio-frequency module be made as 1 channel with maximum power transmission and working channel, 4 channels, 66 channels are measured the sensitivity of corresponding TD-SCDMA module at 10054 channels respectively.
13. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the PHS radio-frequency module, and radio-frequency module 2 correspondingly is the TD-SCDMA radio-frequency module;
The TD-SCDMA radio-frequency module is closed or is measured the PHS radio-frequency module at 1 channel, 4 channels, the sensitivity of 66 channels during standby;
The TD-SCDMA radio-frequency module is measured the PHS radio-frequency module at 1 channel, 4 channels, the sensitivity of 66 channels at 10054 channels during with maximum power transmission.
14. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the CDMA radio-frequency module, and radio-frequency module 2 correspondingly is the GSM radio-frequency module;
The GSM radio-frequency module close or standby time test CDMA radio-frequency module in the sensitivity of 777 channels;
The GSM radio-frequency module is made as at 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels with maximum power transmission and working channel, measures of the sensitivity of corresponding CDMA module respectively at 777 channels.
15. the method for claim 1 is characterized in that:
Radio-frequency module 1 is the GSM radio-frequency module, and radio-frequency module 2 correspondingly is the CDMA radio-frequency module;
The sensitivity of GSM radio-frequency module at 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels is closed or measured during standby to the CDMA radio-frequency module;
The CDMA radio-frequency module is measured the sensitivity of PHS radio-frequency module at 1 channel, 62 channels and 124 channels, 512 channels, 699 channels and 885 channels during with maximum power transmission at 777 channels.
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| CN101969653A (en) * | 2009-07-28 | 2011-02-09 | 中兴通讯股份有限公司 | Method for measuring receiving sensitivity of receiving terminal to be measured in multi-access terminal |
| WO2011094988A1 (en) * | 2010-02-05 | 2011-08-11 | 中兴通讯股份有限公司 | Method and system for testing multi-antenna terminal |
| CN101765128B (en) * | 2008-12-24 | 2012-11-14 | 联芯科技有限公司 | Dual-mode terminal testing device and dual-mode terminal testing method |
| CN101577924B (en) * | 2009-03-05 | 2014-02-19 | 上海闻泰电子科技有限公司 | Method for testing coupling sensitivity of PHS mobile phone |
| CN103986532A (en) * | 2014-04-30 | 2014-08-13 | 工业和信息化部电信研究院 | Method for judging relative value electromagnetic interference of multi-mode and multi-standby terminal |
| CN104754633A (en) * | 2013-12-30 | 2015-07-01 | 中国移动通信集团公司 | Mutual interference testing method and device |
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| CN101765128B (en) * | 2008-12-24 | 2012-11-14 | 联芯科技有限公司 | Dual-mode terminal testing device and dual-mode terminal testing method |
| CN101577924B (en) * | 2009-03-05 | 2014-02-19 | 上海闻泰电子科技有限公司 | Method for testing coupling sensitivity of PHS mobile phone |
| CN101969653A (en) * | 2009-07-28 | 2011-02-09 | 中兴通讯股份有限公司 | Method for measuring receiving sensitivity of receiving terminal to be measured in multi-access terminal |
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| CN104754633B (en) * | 2013-12-30 | 2018-11-02 | 中国移动通信集团公司 | A kind of mutual disturbed test method and device |
| CN103986532A (en) * | 2014-04-30 | 2014-08-13 | 工业和信息化部电信研究院 | Method for judging relative value electromagnetic interference of multi-mode and multi-standby terminal |
| CN103986532B (en) * | 2014-04-30 | 2016-05-18 | 工业和信息化部电信研究院 | A kind of relative value electromagnetic interference evaluation method of multi-mode multi-standby terminal |
| CN106162722A (en) * | 2015-03-27 | 2016-11-23 | 中国移动通信集团公司 | A kind of interference method for rapidly testing and system mutually |
| CN106162722B (en) * | 2015-03-27 | 2019-06-25 | 中国移动通信集团公司 | A kind of mutually interference method for rapidly testing and system |
| CN108152622B (en) * | 2017-12-18 | 2020-06-02 | 中国北方车辆研究所 | Interference degree quantitative evaluation method for vehicle-mounted communication system in wave-absorbing darkroom |
| CN108152622A (en) * | 2017-12-18 | 2018-06-12 | 中国北方车辆研究所 | For inhaling the disturbed degree quantitative estimation method of Vehicular communication system in wave darkroom |
| CN107994961A (en) * | 2017-12-20 | 2018-05-04 | 广东欧珀移动通信有限公司 | The channel disturbance test method and Related product of electronic device |
| CN110233685A (en) * | 2019-05-16 | 2019-09-13 | 德凯认证服务（苏州）有限公司 | A kind of wireless signal mutual interference test method and its test macro |
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