CN103052109B - Method and device for radio frequency consistency test of wireless communication terminal of public network - Google Patents
Method and device for radio frequency consistency test of wireless communication terminal of public network Download PDFInfo
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Abstract
The embodiment of the invention provides a method and a device for radio frequency consistency test of a wireless communication terminal of a public network. The method mainly comprises the following steps of according to the requirements of a test specification for the radio frequency test of the wireless communication terminal, selecting a function link from a function link group by a coaxial switch to engage, and selecting a filter from a filter group by a coaxial switch to engage; and enabling the function link group to receive the inputted tested signal of the wireless communication terminal, compensating the tested signal by the engaged function link, transmitting the compensated tested signal to the filter group, enabling the filter group to transmit the processed tested signal to the function link group, and enabling the function link group to output the filtered tested signal. The method and the system provided by the embodiment of the invention have the advantages that the problem of respective manual building of different test links due to different test specifications in the radio frequency consistency test process of the wireless communication terminal is solved; and the system integration of all models of test links for the radio frequency consistency test of a 2G/3G (second generation/third generation) wireless communication terminal is realized.
Description
Technical field
The present invention relates to wireless communication terminal technical field of measurement and test, particularly relate to a kind of method and apparatus public network wireless communication terminal being carried out to RF consistency test.
Background technology
Private network terminal radio frequency Auto-Test System refers to employing computer control, automatically complete and set up call, link switching, signal measurement, data computing the automatization test system outputed test result, the radio-frequency (RF) index test and the Auto-Test System that are mainly used in wireless communication terminal are built, and the radio-frequency (RF) index comprising wireless communication terminals such as digital handset, Digital Clustering, data radio station, analog-interphones is tested and Auto-Test System tower is built.
At present, wireless communication terminal is carried out in the process of 2G, 3G RF consistency test, for different radio frequency testing projects and standard, need to adopt and manually carry corresponding radio frequency link respectively to meet test request, sometimes, need manually to carry many test links completing in a radio frequency testing process, this test mode not only inefficiency, and manually carry test link, can measure error be introduced, affect the accuracy of test result.
If manually carry test link, can measure error be introduced, affect the accuracy of test result.And present stage RF consistency switch unit function singleness, the test index of all standards of Type Approval cannot be completed.
Summary of the invention
The embodiment provides a kind of method and apparatus public network wireless communication terminal being carried out to RF consistency test, to realize effectively carrying out RF consistency test to wireless communication terminal.
Public network wireless communication terminal is carried out to a method for RF consistency test, comprising:
According to the test specification requirement of the radio frequency testing of wireless communication terminal, from functional link group, select connection functional link by coaxial switch, from bank of filters, select connection filter by coaxial switch or all filters are disconnected; Described functional link group comprises the multiple functional links be connected in parallel, and described bank of filters comprises the filter of the multiple different models be connected in parallel, and described functional link group connects described bank of filters;
Described functional link group receives the measured signal of the wireless communication terminal of input, the functional link connected is utilized to compensate process to described measured signal, measured signal after compensation deals is transferred to bank of filters, the filter of the connection in described bank of filters carries out filtering process to the measured signal after described compensation deals, measured signal after filtering process is transferred to described functional link group, and the measured signal after described filtering process exports by described functional link group again.
Public network wireless communication terminal is carried out to a device for RF consistency test, comprising:
Functional link group, bank of filters, and the first coaxial switch group be connected with described functional link group, the second coaxial switch group be connected with described bank of filters, described functional link group connects described bank of filters;
According to the test specification requirement of the radio frequency testing of wireless communication terminal, from functional link group, select connection functional link by described first coaxial switch group, from bank of filters, select connection filter by described second coaxial switch group or all filters are disconnected;
Described functional link group receives the measured signal of the wireless communication terminal of input, the functional link connected is utilized to compensate process to described measured signal, measured signal after compensation deals is transferred to bank of filters, the filter of the connection in described bank of filters carries out filtering process to the measured signal after described compensation deals, measured signal after filtering process is transferred to described functional link group, and the measured signal after described filtering process exports by described functional link group again.
The technical scheme provided as can be seen from the embodiment of the invention described above, what the embodiment of the present invention provided can need according to test the signal path that uses in switch test process to the device that public network wireless communication terminal carries out RF consistency test, under the prerequisite not affecting test result, according to 2G, about the related request of radio frequency testing in 3G terminal RF consistency testing standard and the test of China wireless device Type Approval, necessary process is carried out to test signal, reduce the performance pressures of test instrumentation, also can play the function of protective meter simultaneously, achieve the system integration of the test link of all model 2G/3G wireless communication terminal RF consistency tests of wireless communication terminal.Be applied to the test of Type Approval RF consistency wireless terminal radio-frequency (RF) index and the building of integrated test system especially.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of structure chart public network wireless communication terminal being carried out to the device of RF consistency test that Fig. 1 provides for the embodiment of the present invention one;
The concrete structure schematic diagram of a kind of functional link group that Fig. 2 provides for the embodiment of the present invention one;
The concrete structure schematic diagram of a kind of bank of filters that Fig. 3 provides for the embodiment of the present invention one and coaxial switch;
A kind of process chart public network wireless communication terminal being carried out to the method for RF consistency test that Fig. 4 provides for the embodiment of the present invention two.
Embodiment
For ease of the understanding to the embodiment of the present invention, be further explained explanation below in conjunction with accompanying drawing for several specific embodiment, and each embodiment does not form the restriction to the embodiment of the present invention.
Embodiment one
A kind of structure chart public network wireless communication terminal being carried out to the device of RF consistency test that this embodiment provides as shown in Figure 1, comprises following module:
Functional link group 11 and bank of filters 12, and the first coaxial switch group 13 be connected with described functional link group 11, the second coaxial switch group 14 be connected with described bank of filters 12.Described functional link group 11 connects described bank of filters 12.Described functional link group 11 receives the measured signal of the wireless communication terminal of input, bank of filters 12 is exported in measured signal after compensation deals, bank of filters 12 by after filtering process after measured signal export to functional link group 11 again, measured signal is exported to dependence test instrument by functional link group 11 again.
Above-mentioned functional link group 11 comprises the multiple functional links be connected in parallel, coaxial switch 13 is connected with each functional link in described functional link group 11, connection and the closedown of each functional link in described functional link group 11 is controlled by described first coaxial switch group, in a test process, described first coaxial switch group 13 connects a functional link.
Above-mentioned bank of filters 12 comprises the filter of the multiple different models be connected in parallel, second coaxial switch group 14 is connected with each filter in described bank of filters 12, connection and the closedown of each filter in described bank of filters 12 is controlled by described second coaxial switch group 14, in a test process, described second coaxial switch group 14 is connected a filter or is all disconnected by all filters.In actual applications, when the functional link connected carries out spuious test time, connection filter is just needed.
Described multiple functional links comprise:
Functional link 1:WCDMA(Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) downlink radio frequency test function link;
Functional link 2:GSM(Global System for Mobile Communications, global system for mobile communications), CDMA(code division multiple access, Code Division Multiple Access), the up test function link of WCDMA;
Functional link 3: the descending functional link of signal source;
Functional link 4: the spuious and up functional link of intermodulation testing;
Functional link 5:TD-SCDMA(Time Division-Synchronous Code DivisionMultiple Access, TD SDMA) downlink radio frequency test function link;
The up test function link of functional link 6, TD-SCDMA;
Functional link 7, bluetooth/WLAN(Wireless Local Area Network, WLAN) downlink radio frequency test function link;
The up test function link of functional link 8, bluetooth/WLAN.
Signal source 2 interface in Fig. 2 is just used when receiving test event, and such as blocking test project, needs signal source 2 to launch interference signal.
The concrete structure schematic diagram of a kind of above-mentioned functions link group that this embodiment provides as shown in Figure 2, comprising: all kinds of coaxial switch, attenuator, power splitter, circulator and impedance matching resistor form.The specific implementation circuit of above-mentioned 8 functional links is as follows:
Functional link 1, comprehensive test instrument 1 output port to terminal links are functional link 1, and this link is used for compensating instrument downstream signal in comprehensive test instrument 1, is mainly used in WCDMA radio frequency testing.Comprehensive test instrument 1 outputs signal through switch k2-5, d2-3, k2-9, k2-3, circulator and 6db attenuator, EUT(Equipment Under Test is entered, measured terminal) through switch k2-2, d2-1 and attenuator, for being connected with terminal, wherein attenuator is optional, is respectively 20dB, 10dB, 3dB, 0dB, and the watt level according to terminal is selected.For uniformity test, switch D2-3 need be closed, comprehensive test instrument 1 be outputed signal and enters terminal through 5500.
Functional link 2, terminal is functional link 2 to comprehensive test instrument 1 input/output end port link, this link is used for compensating the upward signal of mobile communication terminal (mobile phone) in comprehensive test instrument 1, is mainly used in the tests such as the power on GSM, CDMA, WCDMA, modulation accuracy, up open loop, occupied bandwidth.K switch 2-10 and K2-2 need be closed when carrying out GSM, CDMA test.After EUT connects, (wherein attenuator is optional through attenuator module for the upward signal of terminal, be respectively 20dB, 10dB, 3dB, 0dB, watt level according to terminal is selected), switch d2-1, k2-2, 6dB attenuator and circulator, through switch k-10, d2-2, k3-1, enter comprehensive tester 1, comprehensive tester can be tested the upward signal of terminal, for GSM and CDMA test link, after then EUT connects, upward signal is through attenuator module, switch d2-1, k2-2(now needs k2-2 to close), k2-10(now needs k2-10 to close) through switch d2-2, k3-1, enter comprehensive tester 1.
Functional link 3, signal source 1 port to terminal links is functional link 3, and this link is used for compensating signal source downstream signal, is mainly used in the intermodulation testing of WCDMA and TD-SCDMA.The output signal of signal source 1 is through k2-8 (now needing k2-8 to close), power splitter 3, switch k2-3(now needs k2-3 to close) cross circulator and 6dB attenuator, through switch k2-2, d2-1 and attenuator module enter EUT, for generation of intermodulation interference signal.
Functional link 4, terminal to frequency spectrograph port links is functional link 4, this link is used for compensating mobile communication terminal (mobile phone) upward signal in frequency spectrograph, be mainly used in GSM, CDMA, WCDMA, TD-SCDMA, bluetooth, the spuious test of WLAN terminal and the intermodulation testing of WCDMA, TD-SCDMA terminal.For spuious test, the corresponding filter in bank of filters 12 can be selected to combine, thus different spuious section is tested.For more than 3GHz frequency range spuious section, use 3GHz high pass filter; For at more than 2.4GHz spuious section of frequency range, use 2.4GHz high pass filter; For at more than 1.28GHz spuious section of frequency range, use 1.28GHz high pass filter; For at below 1GHz spuious section of frequency range, use 1GHz low pass filter.Spuious section for particular/special requirement uses 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.For spuious section near intermediate frequency, use straight-through link.For intermodulation testing, switch D2-2 and K2-4 need be closed.EUT upward signal, through attenuator module, switch d2-1(now needs switch d2-1 to close) through power splitter 4, switch k-1,3dB attenuator enters port of wave filter, the filter different according to different spuious Frequency Band Selection, from port of wave filter 2 out, through switch k2-4, enter frequency spectrograph, thus complete test.
Functional link 5, comprehensive test instrument 2 output port to terminal links is functional link 5, this link is used for compensating the downstream signal of mobile communication terminal (mobile phone) in comprehensive test instrument 2, be mainly used in TD-SCDMA radio frequency testing, this link there are 4 kinds of attenuators (20dB attenuator, 10dB attenuator, 3dB attenuator and direct connected link) can select, be respectively used to different test events, K switch 2-5 is needed to close during use, for uniformity test, K switch 2-5 and D2-3 need be closed, comprehensive test instrument be outputed signal and enters terminal through 5500.Comprehensive test instrument 2 outputs signal now to be needed switch k2-5 to close through switch k2-5(), d2-3, k2-9, k2-3, circulator and 6dB attenuator, through switch k2-2, d2-1 and attenuator enter EUT, and for being connected with terminal, wherein attenuator is optional, be respectively 20dB, 10dB, 3dB, 0dB, watt level according to terminal is selected, for uniformity test, and need by switch k2-5, D2-3 closes, and comprehensive test instrument 2 is outputed signal and enters terminal through 5500.
Functional link 6, terminal is functional link 6 to comprehensive test instrument 2 input/output end port link, this link is used for compensating the upward signal of mobile communication terminal (mobile phone) in comprehensive test instrument 2, is mainly used in the tests such as the power on TD-SCDMA, modulation accuracy, open loop, closed loop, occupied bandwidth.After EUT connects, (wherein attenuator is optional through attenuator module for upward signal, be respectively 20dB, 10dB, 3dB, 0dB, watt level according to terminal is selected), switch d2-1, k2-2,6dB attenuator and circulator, now need switch k3-1 to close through switch k-10, d2-2, k3-1(), enter comprehensive tester 2 input/output port, comprehensive tester can be tested the upward signal of terminal.
Functional link 7, bluetooth comprehensive tester I/O to terminal links is functional link 7, this link is used for compensating the downstream signal of mobile communication terminal (mobile phone) in bluetooth comprehensive tester, be mainly used in bluetooth/WLAN(Wireless Local Area Network, WLAN) radio frequency testing, this link there are 4 kinds of attenuators (20dB attenuator, 10dB attenuator, 3dB attenuator and direct connected link) can select, are respectively used to different test events.Bluetooth comprehensive test instrument input/output end port now needs switch k3-1 to close through switch k3-1(), d2-2, k2-10(now need switch k2-10 to close), k2-2(now needs switch k2-2 to close) d2-1, enter EUT through attenuator module, be mainly used in connecting with equipment under test.
Functional link 8, terminal is functional link 8 to bluetooth comprehensive tester input/output end port link, this link is used for compensating the upward signal of mobile communication terminal (mobile phone) in bluetooth comprehensive tester, is mainly used in the tests such as bluetooth/WLAN frequency tolerance, power, occupied bandwidth.Terminal uplink signal, through attenuator module, switch d2-1, k2-2(now need k2-2 to close) k2-10(now needs k-10 to close), d2-2, k3-1(now need k3-1 to close), enter bluetooth comprehensive test instrument input/output end port, test.
The filter of above-mentioned multiple different models comprises: 3.0GHz high pass filter, 1.28GHz high pass filter, 2.40GHz high pass filter, 860-870MHz band pass filter, 1.0GHz low pass filter, 1805-1850MHz band pass filter and 1805-1880MHz band pass filter.The connection diagram of above-mentioned 7 filters and coaxial switch as shown in Figure 3, wherein:
3.0GHz high pass filter can realize carrying out filtering to below 3.0GHz measured signal, retains more than 3.0GHz measured signal and passes through filter smoothly;
Above-mentioned 1.28GHz high pass filter can realize carrying out filtering to below 1.28GHz measured signal, retains more than 3.0GHz measured signal and passes through filter smoothly;
Above-mentioned 2.40GHz high pass filter can realize carrying out filtering to below 2.40GHz measured signal, retains more than 3.0GHz measured signal and passes through filter smoothly;
Above-mentioned 860-870MHz band pass filter can realize carrying out filtering to the measured signal of 860-870MHz frequency range, retains other frequency range measured signal and passes through filter smoothly;
Above-mentioned 1805-1850MHz band pass filter can realize carrying out filtering to the measured signal of 1805-1850MHz frequency range, retains other frequency range measured signal and passes through filter smoothly;
Above-mentioned 1805-1880MHz band pass filter can realize carrying out filtering to the measured signal of 1805-1880MHz frequency range, retains other frequency range measured signal and passes through filter smoothly;
Above-mentioned 1.0GHz low pass filter can realize carrying out filtering to more than 1.0GHz measured signal, retains less than 1.0 measured signals and passes through filter smoothly.
Above-mentioned 10dB attenuator is used for the power attenuation 10dB in measured signal, and above-mentioned 20dB attenuator is used for the power attenuation 20dB in measured signal.
Functional link group in the device of the embodiment of the present invention and bank of filters design respectively in two standard 4U cabinets, and 4U cabinet refers to the height of cabinet: 1U=44.5mm, 4U=178mm.Wherein a case is functional link group, and front panel leaves an equipment under test interface, after leave filter interface and various instrumentation tap; The bank of filters that No. two casees are made up of various filter, rear board leaves filter and enters and filter outgoing interface, for extension filter module is accessed RF consistency testing system.The signal processed mainly is sent into test instrumentation by this device, carries out the test of Type Approval 2G, 3G RF consistency different systems.
The modules performance parameter of this device, useful life and mounting means can not only meet the related request about 2G, 3G terminal and bluetooth, WLAN radio frequency testing in 2G, 3G RF consistency testing standard and China's wireless device Type Approval test; and necessary protection can also be carried out to test instrumentation, avoid because overheated radio-frequency power, direct current are instantaneous and Electrostatic Discharge and being damaged.
Embodiment two
Based on the device shown in above-mentioned Fig. 1, a kind of handling process of public network wireless communication terminal being carried out to the method for RF consistency test that this embodiment provides as shown in Figure 4, comprises following handling process:
Step 41, by multiple functional link composition function link group, multiple filter composition bank of filters.
The functional link of multiple different model is connected in parallel, composition function link group, first coaxial switch group is connected with each functional link in described functional link group, connection and the closedown of each functional link is controlled by described first coaxial switch group, in a test process, described first coaxial switch group only connects a functional link;
The filter of multiple different model is connected in parallel, composition bank of filters, second coaxial switch group is connected with each filter in described bank of filters, connection and the closedown of each filter is controlled by described second coaxial switch group, in a test process, described second coaxial switch group is only connected a filter or is all disconnected by all filters.
Described functional link group connects described bank of filters.
Described multiple functional link comprises: WCDMA downlink radio frequency test function link; The up test function link of GSM, CDMA, WCDMA; The descending functional link of signal source; Spuious and the up functional link of intermodulation testing; TD-SCDMA downlink radio frequency test function link; The up test function link of TD-SCDMA; Bluetooth/WLAN downlink radio frequency test function link; The up test function link of bluetooth/WLAN.
The filter of described multiple different model comprises: 3.0GHz high pass filter, 1.28GHz high pass filter, 2.40GHz high pass filter, 860-870MHz band pass filter, 1.0GHz low pass filter, 1805-1850MHz band pass filter and 1805-1880MHz band pass filter.
Step 42, the test specification requirement tested according to the RF consistency of wireless communication terminal, from functional link group, select connection functional link by coaxial switch, from bank of filters, select connection filter by coaxial switch or all filters are all disconnected.
The selection of different functional links is selected according to the concrete test specification of wireless communication terminal, hardware designs builds Type Approval 2G, 3G RF consistency test link, by automatic Test integration, realize the test of Type Approval RF consistency wireless terminal radio-frequency (RF) index.
Above-mentioned 8 functional links only need to connect filter at spuious and the up functional link of intermodulation testing, specifically with which filter need to go to judge according to different frequency range.When the described spuious and up functional link of intermodulation testing carries out spuious test, for more than 3GHz frequency range spuious section, connect the 3GHz high pass filter in described bank of filters; For at more than 2.4GHz spuious section of frequency range, connect the 2.4GHz high pass filter in described bank of filters; For at more than 1.28GHz spuious section of frequency range, connect the 1.28GHz high pass filter in described bank of filters; For at below 1GHz spuious section of frequency range, connect the 1GHz low pass filter in described bank of filters; Spuious section for particular/special requirement uses 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.
Step 43, the functional link utilizing selection to connect and filter, process the measured signal of described wireless communication terminal.
Above-mentioned functions link group receives the measured signal of the wireless communication terminal of input, the functional link connected is utilized to compensate process to described measured signal, measured signal after compensation deals is transferred to bank of filters, the filter of the connection in described bank of filters carries out filtering process to the measured signal after described compensation deals, measured signal after filtering process is transferred to described functional link group, and the measured signal after described filtering process exports by described functional link group again.When not having the filter connected in above-mentioned bank of filters, then above-mentioned bank of filters is equivalent to straight-through link.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
Detailed process and the aforementioned means embodiment of by the method for the embodiment of the present invention, public network wireless communication terminal being carried out to the method for RF consistency test are similar, repeat no more herein.
Need manually to carry many test links, this test mode not only inefficiency, and manually carry test link completing in a radio frequency testing process, can measure error be introduced, affect the accuracy of test result.
In sum; the device carrying out RF consistency test to public network wireless communication terminal that the embodiment of the present invention provides is a professional modular platform; can according to testing the signal path needing to use in switch test process; under the prerequisite not affecting test result; according to the related request about radio frequency testing in 2G, 3G terminal RF consistency testing standard and China's wireless device Type Approval test; necessary process is carried out to test signal; reduce the performance pressures of test instrumentation, also can play the function of protective meter simultaneously.Achieve the system integration of the test link of all model 2G/3G wireless communication terminal RF consistency tests of wireless communication terminal.Be applied to the test of Type Approval RF consistency wireless terminal radio-frequency (RF) index and the building of integrated test system especially.This device provides function widely when not affecting measuring accuracy, is applicable to varying environment requirement simultaneously.
The embodiment of the present invention improves test accuracy and the testing efficiency of the RF consistency test of wireless communication terminal, and simultaneously protective meter is because overheated radio-frequency power, direct current are instantaneous and static discharge and being damaged.
The module testing of manual switchover functional link has been risen to the stage of test of automatically switching by the embodiment of the present invention, improves testing efficiency, decreases artificial error, also for the RF consistency test of following testing wireless communication terminal is automatically laid a good foundation.For more complicated automatic test provides good reference later.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (12)
1. public network wireless communication terminal is carried out to a method for RF consistency test, it is characterized in that, comprising:
According to the test specification requirement of the radio frequency testing of wireless communication terminal, from functional link group, select connection functional link by coaxial switch, from bank of filters, select connection filter by coaxial switch or all filters are disconnected; Described functional link group comprises the multiple functional links be connected in parallel, and described bank of filters comprises the filter of the multiple different models be connected in parallel, and described functional link group connects described bank of filters;
Described functional link group receives the measured signal of the wireless communication terminal of input, the functional link connected is utilized to compensate process to described measured signal, measured signal after compensation deals is transferred to bank of filters, the filter of the connection in described bank of filters carries out filtering process to the measured signal after described compensation deals, measured signal after filtering process is transferred to described functional link group, and the measured signal after described filtering process exports by described functional link group again.
2. method of public network wireless communication terminal being carried out to RF consistency test according to claim 1, is characterized in that, described method also comprises:
The functional link of multiple different model is connected in parallel, composition function link group, first coaxial switch group is connected with each functional link in described functional link group, connection and the closedown of each functional link is controlled by described first coaxial switch group, in a test process, described first coaxial switch group only connects a functional link;
The filter of multiple different model is connected in parallel, composition bank of filters, second coaxial switch group is connected with each filter in described bank of filters, connection and the closedown of each filter is controlled by described second coaxial switch group, in a test process, described second coaxial switch group is only connected a filter or is disconnected by all filters.
3. method of public network wireless communication terminal being carried out to RF consistency test according to claim 2, is characterized in that, the functional link of described multiple different model comprises: Wideband Code Division Multiple Access (WCDMA) WCDMA downlink radio frequency test function link; Global system for mobile communications GSM, the up test function link of code division multiple access CDMA, WCDMA; The descending functional link of signal source; Spuious and the up functional link of intermodulation testing; TD SDMA TD-SCDMA downlink radio frequency test function link; The up test function link of TD-SCDMA; Bluetooth/WLAN WLAN downlink radio frequency test function link; The up test function link of bluetooth/WLAN.
4. method of public network wireless communication terminal being carried out to RF consistency test according to claim 2, it is characterized in that, the filter of described multiple different model comprises: 3.0GHz high pass filter, 1.28GHz high pass filter, 2.40GHz high pass filter, 860-870MHz band pass filter, 1.0GHz low pass filter, 1805-1850MHz band pass filter and 1805-1880MHz band pass filter.
5. method of public network wireless communication terminal being carried out to RF consistency test according to claim 4, is characterized in that, described method specifically comprises:
When the described spuious and up functional link of intermodulation testing carries out spuious test, for more than 3GHz frequency range spuious section, connect the 3GHz high pass filter in described bank of filters; For at more than 2.4GHz spuious section of frequency range, connect the 2.4GHz high pass filter in described bank of filters; For at more than 1.28GHz spuious section of frequency range, connect the 1.28GHz high pass filter in described bank of filters; For at below 1GHz spuious section of frequency range, connect the 1GHz low pass filter in described bank of filters; Spuious section for particular/special requirement uses 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.
6. public network wireless communication terminal is carried out to a device for RF consistency test, it is characterized in that, comprising:
Functional link group, bank of filters, and the first coaxial switch group be connected with described functional link group, the second coaxial switch group be connected with described bank of filters, described functional link group connects described bank of filters;
According to the test specification requirement of the radio frequency testing of wireless communication terminal, from functional link group, select connection functional link by described first coaxial switch group, from bank of filters, select connection filter by described second coaxial switch group or all filters are disconnected;
Described functional link group receives the measured signal of the wireless communication terminal of input, the functional link connected is utilized to compensate process to described measured signal, measured signal after compensation deals is transferred to bank of filters, the filter of the connection in described bank of filters carries out filtering process to the measured signal after described compensation deals, measured signal after filtering process is transferred to described functional link group, and the measured signal after described filtering process exports by described functional link group again.
7. device public network wireless communication terminal being carried out to RF consistency test according to claim 6, it is characterized in that, described functional link group comprises the multiple functional links be connected in parallel, described first coaxial switch group is connected with each functional link in described functional link group, described first coaxial switch group controls connection and the closedown of each functional link in described functional link group, according to the test specification requirement that the RF consistency of wireless communication terminal is tested, in a test process, described first coaxial switch group only connects a functional link.
8. device public network wireless communication terminal being carried out to RF consistency test according to claim 7, it is characterized in that, described bank of filters comprises the filter of the multiple different models be connected in parallel, described second coaxial switch group is connected with each filter in described bank of filters, described second coaxial switch group controls connection and the closedown of each filter in described bank of filters, according to the test specification requirement that the RF consistency of wireless communication terminal is tested, in a test process, described second coaxial switch group is only connected a filter or is disconnected by all filters.
9. device public network wireless communication terminal being carried out to RF consistency test according to claim 7, it is characterized in that, described device is provided with equipment under test interface, filter interface and test instrumentation interface, by the measured signal of the wireless communication terminal of described equipment under test interface input, by described filter interface, the measured signal after compensation deals is transferred to bank of filters, by described test instrumentation interface, test instrumentation is exported in the measured signal after described device process.
10. device public network wireless communication terminal being carried out to RF consistency test according to any one of claim 7 to 9, is characterized in that, described multiple functional link comprises: Wideband Code Division Multiple Access (WCDMA) WCDMA downlink radio frequency test function link; Global system for mobile communications GSM, the up test function link of code division multiple access CDMA, WCDMA; The descending functional link of signal source; Spuious and the up functional link of intermodulation testing; TD SDMA TD-SCDMA downlink radio frequency test function link; The up test function link of TD-SCDMA; Bluetooth/WLAN WLAN downlink radio frequency test function link; The up test function link of bluetooth/WLAN.
11. devices public network wireless communication terminal being carried out to RF consistency test according to claim 10, it is characterized in that, the filter of described multiple different model comprises: 3.0GHz high pass filter, 1.28GHz high pass filter, 2.40GHz high pass filter, 860-870MHz band pass filter, 1.0GHz low pass filter, 1805-1850MHz band pass filter and 1805-1880MHz band pass filter.
12. devices public network wireless communication terminal being carried out to RF consistency test according to claim 11, it is characterized in that, when the described spuious and up functional link of intermodulation testing carries out spuious test, for more than 3GHz frequency range spuious section, connect the 3GHz high pass filter in described bank of filters; For at more than 2.4GHz spuious section of frequency range, connect the 2.4GHz high pass filter in described bank of filters; For at more than 1.28GHz spuious section of frequency range, connect the 1.28GHz high pass filter in described bank of filters; For at below 1GHz spuious section of frequency range, connect the 1GHz low pass filter in described bank of filters; Spuious section for particular/special requirement uses 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.
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| CN104754595A (en) * | 2013-12-25 | 2015-07-01 | 天维讯达无线电设备检测（北京）有限责任公司 | Method and device for radio frequency test on signal check long term evolution (LTE) base station |
| CN104519503B (en) * | 2014-12-12 | 2018-10-23 | 国家无线电监测中心检测中心 | A kind of radio frequency link switching device for mobile communication terminal test |
| CN107888302B (en) * | 2016-09-30 | 2021-03-16 | 国家无线电监测中心检测中心 | Device for monitoring radio frequency test of receiver |
| CN110022237A (en) * | 2018-01-08 | 2019-07-16 | ***通信有限公司研究院 | Test equipment, the test method of equipment and device, storage medium |
| CN115941537B (en) * | 2023-02-16 | 2023-06-13 | 信通院(江西)科技创新研究院有限公司 | 5G terminal consistency test method, system, storage medium and equipment |
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Address after: 100041, building 3, building 3, No. 5058, West well road, Badachu hi tech park, Beijing, Shijingshan District Co-patentee after: RADIOSKY (BEIJING) TECHNOLOGY Co.,Ltd. Patentee after: THE STATE RADIO MONITORING CENTER TESTING CENTER Address before: 100041, building 3, building 3, No. 5058, West well road, Badachu hi tech park, Beijing, Shijingshan District Co-patentee before: RADIOSKY TESTING SERVICES (BEIJING) Ltd. Patentee before: THE STATE RADIO MONITORING CENTER TESTING CENTER |
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