CN103052109A - 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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- CN103052109A CN103052109A CN2012105192827A CN201210519282A CN103052109A CN 103052109 A CN103052109 A CN 103052109A CN 2012105192827 A CN2012105192827 A CN 2012105192827A CN 201210519282 A CN201210519282 A CN 201210519282A CN 103052109 A CN103052109 A CN 103052109A
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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 the wireless communication terminal technical field of measurement and test, relate in particular to a kind of method and apparatus that the public network wireless communication terminal is carried out the RF consistency test.
Background technology
Private network terminal radio frequency Auto-Test System refers to adopt computer control, automatically finish the automatization test system of setting up conversation, link switching, signal measurement, data computing and outputing test result, the radio-frequency (RF) index test and the Auto-Test System that are mainly used in wireless communication terminal are built, and build comprising radio-frequency (RF) index test and the Auto-Test System tower of the wireless communication terminals such as digital handset, Digital Clustering, data radio station, analog-interphone.
At present, wireless communication terminal is carried out in the process of 2G, the test of 3G RF consistency, for different radio frequency testing project and standards, need to adopt and manually carry respectively corresponding radio frequency link to satisfy test request, sometimes, in finishing a radio frequency testing process, need manually to carry many test links, this test mode is inefficiency not only, and manually carry test link, and can introduce measure error, affect the accuracy of test result.
If manually carry test link, can introduce measure error, affect the accuracy of test result.And present stage RF consistency switch unit function singleness, can't finish the test index that model is checked and approved all standards.
Summary of the invention
Embodiments of the invention provide a kind of method and apparatus that the public network wireless communication terminal is carried out the RF consistency test, to realize effectively wireless communication terminal being carried out the RF consistency test.
A kind of method that the public network wireless communication terminal is carried out the RF consistency test comprises:
According to the test specification requirement of the radio frequency testing of wireless communication terminal, from the functional link group, select to connect a functional link by coaxial switch, from bank of filters, selects to connect a filter or with all filter disconnections by coaxial switch; Comprise a plurality of functional links that are connected in parallel in the described functional link group, comprise the filter of a plurality of different models that are connected in parallel in the described bank of filters, described functional link group connects described bank of filters;
The measured signal of the wireless communication terminal of input is received in described functional link winding, utilize the functional link of connecting that described measured signal is compensated processing, measured signal after the compensation deals is transferred to bank of filters, the measured signal of the filter of the connection in the described bank of filters after to described compensation deals carried out filtering and processed, measured signal after the filtering processing is transferred to described functional link group, the measured signal output after described functional link group is processed described filtering again.
A kind of device that the public network wireless communication terminal is carried out the RF consistency test comprises:
Functional link group, bank of filters, and be connected the first coaxial switch group that the functional link group connects, and be connected the second coaxial switch group that bank of filters connects, described functional link group connects described bank of filters;
Test specification requirement according to the radio frequency testing of wireless communication terminal, from the functional link group, select to connect a functional link by described the first coaxial switch group, from bank of filters, selects to connect a filter or with all filter disconnections by described the second coaxial switch group;
The measured signal of the wireless communication terminal of input is received in described functional link winding, utilize the functional link of connecting that described measured signal is compensated processing, measured signal after the compensation deals is transferred to bank of filters, the measured signal of the filter of the connection in the described bank of filters after to described compensation deals carried out filtering and processed, measured signal after the filtering processing is transferred to described functional link group, the measured signal output after described functional link group is processed described filtering again.
Can be found out by the technical scheme that the embodiment of the invention described above provides; the embodiment of the invention provides the public network wireless communication terminal is carried out the device of RF consistency test can be according to the signal path that uses in the test needs switch test process; under the prerequisite that does not affect test result; according to 2G; 3G terminal RF consistency testing standard and China's wireless device model are checked and approved in the test related request about radio frequency testing; test signal is carried out necessary processing; reduce the performance pressure of test instrumentation; also can play simultaneously the function of protection instrument, realize the system integration of test link of all model 2G/3G wireless communication terminal RF consistencies tests of wireless communication terminal.Be applied to especially model and check and approve building of the test of RF consistency wireless terminal radio-frequency (RF) index and integrated test system.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of structure chart that the public network wireless communication terminal is carried out the device of RF consistency test that Fig. 1 provides for the embodiment of the invention one;
The concrete structure schematic diagram of a kind of functional link group that Fig. 2 provides for the embodiment of the invention one;
A kind of bank of filters that Fig. 3 provides for the embodiment of the invention one and the concrete structure schematic diagram of coaxial switch;
A kind of process chart that the public network wireless communication terminal is carried out the method for RF consistency test that Fig. 4 provides for the embodiment of the invention two.
Embodiment
For ease of the understanding to the embodiment of the invention, be further explained explanation below in conjunction with accompanying drawing as an example of several specific embodiments example, and each embodiment does not consist of the restriction to the embodiment of the invention.
Embodiment one
The structure chart of this embodiment provides a kind of device that the public network wireless communication terminal is carried out the RF consistency test comprises following module as shown in Figure 1:
Above-mentioned functional link group 11 comprises a plurality of functional links that are connected in parallel, coaxial switch 13 is connected with each functional link of being connected in the functional link group 11, control the connection of each functional link in the described functional link group 11 and close by described the first coaxial switch group, in test process, 13 of described the first coaxial switch groups are connected a functional link.
Above-mentioned bank of filters 12 comprises the filter of a plurality of different models that are connected in parallel, the second coaxial switch group 14 is connected with each filter of being connected in the bank of filters 12, connection by each filter in the described bank of filters 12 of described the second coaxial switch group 14 control and closing, in test process, 14 of described the second coaxial switch groups are connected a filter or all filters are all disconnected.In actual applications, when carrying out spuious test, just need to connect the functional link of connecting a filter.
Described a plurality of functional link comprises:
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), the 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;
Functional link 6, the up test function link of TD-SCDMA;
Functional link 7, bluetooth/WLAN(Wireless Local Area Network, WLAN) downlink radio frequency test function link;
Functional link 8, the up test function link of bluetooth/WLAN.
Signal source 2 interfaces among Fig. 2 are just used when receiving test event, such as the blocking test project, need signal source 2 emission interference signals.
The concrete structure schematic diagram of a kind of above-mentioned functions link group that this embodiment provides comprises as shown in Figure 2: all kinds of coaxial switches, attenuator, power splitter, circulator and impedance matching resistance 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 at comprehensive test instrument 1 the instrument downstream signal being compensated, and is mainly used in the WCDMA radio frequency testing.Comprehensive test instrument 1 output signal is through switch k2-5, d2-3, k2-9, k2-3, circulator and 6db attenuator, through switch k2-2, d2-1 and attenuator enter EUT(Equipment Under Test, dut terminal), be used for being connected with terminal, wherein attenuator is optional, is respectively 20dB, 10dB, 3dB, 0dB, selects according to the watt level of terminal.For uniformity test, need the closure with switch D2-3, make comprehensive test instrument 1 output signal enter terminal through 5500.
Functional link 2, terminal to comprehensive test instrument 1 input/output end port link is functional link 2, this link is used for compensating at the upward signal of comprehensive test instrument 1 to mobile communication terminal (mobile phone), is mainly used in the tests such as power, modulation accuracy, up open loop, occupied bandwidth on GSM, CDMA, the WCDMA.When carrying out GSM, CDMA test, need K switch 2-10 and K2-2 closed.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, and switch d2-1, k2-2(at this moment need to be closed with k2-2), k2-10(this moment need to be closed with k2-10) through switch d2-2, k3-1 enters comprehensive tester 1.
Functional link 3, signal source 1 port to terminal links is functional link 3, this link is used for the signal source downstream signal is compensated, and is mainly used in the intermodulation testing of WCDMA and TD-SCDMA.The output signal of signal source 1 is through k2-8 (this moment need to be closed with k2-8), power splitter 3, switch k2-3(this moment need to be closed with k2-3) cross circulator and 6dB attenuator, through switch k2-2, d2-1 and attenuator module enter EUT, for generation of the Intermodulation Interference signal.
Functional link 4, terminal to frequency spectrograph port link is functional link 4, this link is used at frequency spectrograph mobile communication terminal (mobile phone) upward signal being compensated, be mainly used in GSM, CDMA, WCDMA, TD-SCDMA, bluetooth, the intermodulation testing of the spuious test of WLAN terminal and WCDMA, TD-SCDMA terminal.For spuious test, can select the corresponding filter in the bank of filters 12 to make up, thereby different spuious section is tested.For spuious section more than the 3GHz frequency range, use the 3GHz high pass filter; For more than 2.4GHz spuious section of frequency range, use the 2.4GHz high pass filter; For more than 1.28GHz spuious section of frequency range, use the 1.28GHz high pass filter; For below 1GHz spuious section of frequency range, use the 1GHz low pass filter.Spuious section for specific (special) requirements is used 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.For spuious section near intermediate frequency, use straight-through link.For intermodulation testing, need switch D2-2 and K2-4 closed.The EUT upward signal, through attenuator module, switch d2-1(needs switch d2-1 closed at this moment) through power splitter 4, switch k-1, the 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, thereby finish test.
Functional link 5, comprehensive test instrument 2 output ports to terminal links is functional link 5, this link is used for compensating at the downstream signal of comprehensive test instrument 2 to mobile communication terminal (mobile phone), be mainly used in the TD-SCDMA radio frequency testing, there are 4 kinds of attenuators (20dB attenuator, 10dB attenuator, 3dB attenuator and direct connected link) to select on this link, be respectively applied to different test events, need to K switch 2-5 is closed during use, for uniformity test, need to make the comprehensive test instrument output signal enter terminal through 5500 K switch 2-5 and D2-3 closure.Comprehensive test instrument 2 output signals need switch k2-5 closed through switch k2-5(at this moment), d2-3, k2-9, k2-3, circulator and 6dB attenuator are through switch k2-2, d2-1 and attenuator enter EUT, are used for being connected with terminal, and wherein attenuator is optional, be respectively 20dB, 10dB, 3dB, 0dB, watt level according to terminal is selected, and for uniformity test, needs switch k2-5, D2-3 is closed, makes comprehensive test instrument 2 output signals enter terminal through 5500.
Functional link 6, terminal to comprehensive test instrument 2 input/output end port links are functional link 6, this link is used for compensating at the upward signal of comprehensive test instrument 2 to mobile communication terminal (mobile phone), is mainly used in the tests such as power, modulation accuracy, open loop, closed loop, occupied bandwidth on the TD-SCDMA.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, need switch k3-1 at this moment closed through switch k-10, d2-2, k3-1(), enter comprehensive tester 2 input/output ports, 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 at the downstream signal of bluetooth comprehensive tester to mobile communication terminal (mobile phone), be mainly used in bluetooth/WLAN(Wireless Local Area Network, WLAN) radio frequency testing, there are 4 kinds of attenuators (20dB attenuator, 10dB attenuator, 3dB attenuator and direct connected link) to select on this link, are respectively applied to different test events.Bluetooth comprehensive test instrument input/output end port needs switch k3-1 closed through switch k3-1(at this moment), d2-2, k2-10(need switch k2-10 closed at this moment), k2-2(needs switch k2-2 closed at this moment) d2-1, enter EUT through attenuator module, be mainly used in connecting with equipment under test.
Functional link 8, terminal to bluetooth comprehensive tester input/output end port link is functional link 8, this link is used for compensating at the upward signal of bluetooth comprehensive tester to mobile communication terminal (mobile phone), is mainly used in the tests such as bluetooth/WLAN frequency tolerance, power, occupied bandwidth.The terminal upward signal, through attenuator module, switch d2-1, k2-2(need k2-2 closed at this moment) k2-10(at this moment need be closed with k-10), d2-2, k3-1(need k3-1 closed at this moment), enter bluetooth comprehensive test instrument input/output end port, test.
The filter of above-mentioned a plurality of different models comprises: the 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 that filtering is carried out in following measured signal to 3.0GHz, keeps the above measured signal of 3.0GHz and passes through smoothly filter;
Above-mentioned 1.28GHz high pass filter can realize that filtering is carried out in following measured signal to 1.28GHz, keeps the above measured signal of 3.0GHz and passes through smoothly filter;
Above-mentioned 2.40GHz high pass filter can realize that filtering is carried out in following measured signal to 2.40GHz, keeps the above measured signal of 3.0GHz and passes through smoothly filter;
Above-mentioned 860-870MHz band pass filter can be realized filtering is carried out in the measured signal of 860-870MHz frequency range, keeps other frequency range measured signal and passes through smoothly filter;
Above-mentioned 1805-1850MHz band pass filter can be realized filtering is carried out in the measured signal of 1805-1850MHz frequency range, keeps other frequency range measured signal and passes through smoothly filter;
Above-mentioned 1805-1880MHz band pass filter can be realized filtering is carried out in the measured signal of 1805-1880MHz frequency range, keeps other frequency range measured signal and passes through smoothly filter;
Above-mentioned 1.0GHz low pass filter can realize that filtering is carried out in above measured signal to 1.0GHz, keeps 1.0 following measured signals and passes through smoothly filter.
Above-mentioned 10dB attenuator is used for the power attenuation 10dB to measured signal, and above-mentioned 20dB attenuator is used for the power attenuation 20dB to measured signal.
Functional link group in the device of the embodiment of the invention and bank of filters design respectively in two standard 4U cabinets, and the 4U cabinet refers to the height of cabinet: 1U=44.5mm, 4U=178mm.Wherein a case is the functional link group, and front panel leaves an equipment under test interface, and filter interface and various instrumentation tap are left in the back; The bank of filters that No. two casees are comprised of various filters, rear board leaves filter and enters and the filter outgoing interface, is used for extension filter module access RF consistency testing system.The signal that this device mainly will be processed is sent into test instrumentation, carries out the test that model is checked and approved 2G, 3G RF consistency different systems.
Modules performance parameter, useful life and the mounting means of this device not only can satisfy 2G, 3G RF consistency testing standard and China's wireless device model and check and approve in the test related request about 2G, 3G terminal and bluetooth, WLAN radio frequency testing; and can also carry out necessary protection to test instrumentation, avoid because of overheated radio-frequency power, direct current is instantaneous and Electrostatic Discharge is damaged.
Embodiment two
Based on above-mentioned device shown in Figure 1, the handling process of a kind of method of the public network wireless communication terminal being carried out the RF consistency test that this embodiment provides comprises following handling process as shown in Figure 4:
The functional link of a plurality of different models is connected in parallel, the composition function link group, the first coaxial switch group is connected with each functional link of being connected in the functional link group, control the connection of each functional link and close by described the first coaxial switch group, in test process, described the first coaxial switch group is only connected a functional link;
The filter of a plurality of different models is connected in parallel, form bank of filters, the second coaxial switch group is connected with each filter of being connected in the bank of filters, control the connection of each filter and close by described the second coaxial switch group, in test process, described the second coaxial switch group is only connected a filter or all filters is all disconnected.
Described functional link group connects described bank of filters.
Described a plurality of functional link comprises: WCDMA downlink radio frequency test function link; GSM, CDMA, the up test function link of 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 a plurality of different models comprises: the 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 concrete test specification of the selective basis wireless communication terminal of different functional links is selected, hardware designs is built model and is checked and approved 2G, 3G RF consistency test link, by automatic Test integration, the realization model is checked and approved the test of 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 spuious section more than the 3GHz frequency range, connect the 3GHz high pass filter in the described bank of filters; For more than 2.4GHz spuious section of frequency range, connect the 2.4GHz high pass filter in the described bank of filters; For more than 1.28GHz spuious section of frequency range, connect the 1.28GHz high pass filter in the described bank of filters; For below 1GHz spuious section of frequency range, connect the 1GHz low pass filter in the described bank of filters; Spuious section for specific (special) requirements is used 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.
The above-mentioned functions link group receives the measured signal of the wireless communication terminal of input, utilize the functional link of connecting that described measured signal is compensated processing, measured signal after the compensation deals is transferred to bank of filters, the measured signal of the filter of the connection in the described bank of filters after to described compensation deals carried out filtering and processed, measured signal after the filtering processing is transferred to described functional link group, the measured signal output after described functional link group is processed described filtering again.When not having the filter of connecting in the 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, and the module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
Detailed process and the aforementioned means embodiment of method that the public network wireless communication terminal is carried out the RF consistency test with the method for the embodiment of the invention is similar, repeats no more herein.
Need manually to carry many test links in finishing a radio frequency testing process, this test mode is inefficiency not only, and manually carries test link, can introduce measure error, affects the accuracy of test result.
In sum; the device that the public network wireless communication terminal is carried out RF consistency test that the embodiment of the invention provides is a professional modular platform; can be according to the signal path that uses in the test needs switch test process; under the prerequisite that does not affect test result; check and approve in the test related request about radio frequency testing according to 2G, 3G terminal RF consistency testing standard and China's wireless device model; test signal is carried out necessary processing; reduce the performance pressure of test instrumentation, also can play the function of protection instrument simultaneously.Realized the system integration of test link of all model 2G/3G wireless communication terminal RF consistencies test of wireless communication terminal.Be applied to especially model and check and approve building of the test of RF consistency wireless terminal radio-frequency (RF) index and integrated test system.This device provides widely function in the situation that does not affect measuring accuracy, be fit to simultaneously the varying environment requirement.
The embodiment of the invention has improved test accuracy and the testing efficiency of the RF consistency test of wireless communication terminal, protect simultaneously instrument because of overheated radio-frequency power, direct current is instantaneous and static discharge is damaged.
The embodiment of the invention has risen to the stage of automaticallying switch and testing with the module testing of manual switchover functional link, has improved testing efficiency, has reduced artificial error, also lays a good foundation for the RF consistency test of following automatically testing wireless communication terminal.For later more complicated automatic test provides good reference.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation 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. the method that the public network wireless communication terminal is carried out the RF consistency test is characterized in that, comprising:
According to the test specification requirement of the radio frequency testing of wireless communication terminal, from the functional link group, select to connect a functional link by coaxial switch, from bank of filters, selects to connect a filter or with all filter disconnections by coaxial switch; Comprise a plurality of functional links that are connected in parallel in the described functional link group, comprise the filter of a plurality of different models that are connected in parallel in the described bank of filters, described functional link group connects described bank of filters;
The measured signal of the wireless communication terminal of input is received in described functional link winding, utilize the functional link of connecting that described measured signal is compensated processing, measured signal after the compensation deals is transferred to bank of filters, the measured signal of the filter of the connection in the described bank of filters after to described compensation deals carried out filtering and processed, measured signal after the filtering processing is transferred to described functional link group, the measured signal output after described functional link group is processed described filtering again.
2. the method that the public network wireless communication terminal is carried out RF consistency test according to claim 1 is characterized in that described method also comprises:
The functional link of a plurality of different models is connected in parallel, the composition function link group, the first coaxial switch group group is connected with each functional link of being connected in the functional link group, control the connection of each functional link and close by described the first coaxial switch group, in test process, described the first coaxial switch group is only connected a functional link;
The filter of a plurality of different models is connected in parallel, form bank of filters, the second coaxial switch group is connected with each filter of being connected in the bank of filters, control the connection of each filter and close by described the second coaxial switch group, in test process, described the second coaxial switch group is only connected a filter or all filters is disconnected.
3. the method that the public network wireless communication terminal is carried out the RF consistency test according to claim 2 is characterized in that the functional link of described a plurality of different models 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 the public network wireless communication terminal being carried out RF consistency test according to claim 2, it is characterized in that, the filter of described a plurality of different models comprises: the 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. the method that the public network wireless communication terminal is carried out 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 spuious section more than the 3GHz frequency range, connect the 3GHz high pass filter in the described bank of filters; For more than 2.4GHz spuious section of frequency range, connect the 2.4GHz high pass filter in the described bank of filters; For more than 1.28GHz spuious section of frequency range, connect the 1.28GHz high pass filter in the described bank of filters; For below 1GHz spuious section of frequency range, connect the 1GHz low pass filter in the described bank of filters; Spuious section for specific (special) requirements is used 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.
6. the device that the public network wireless communication terminal is carried out the RF consistency test is characterized in that, comprising:
Functional link group, bank of filters, and be connected the first coaxial switch group that the functional link group connects, and be connected the second coaxial switch group that bank of filters connects, described functional link group connects described bank of filters;
Test specification requirement according to the radio frequency testing of wireless communication terminal, from the functional link group, select to connect a functional link by described the first coaxial switch group, from bank of filters, selects to connect a filter or with all filter disconnections by described the second coaxial switch group;
The measured signal of the wireless communication terminal of input is received in described functional link winding, utilize the functional link of connecting that described measured signal is compensated processing, measured signal after the compensation deals is transferred to bank of filters, the measured signal of the filter of the connection in the described bank of filters after to described compensation deals carried out filtering and processed, measured signal after the filtering processing is transferred to described functional link group, the measured signal output after described functional link group is processed described filtering again.
7. the device that the public network wireless communication terminal is carried out RF consistency test according to claim 6, it is characterized in that, described functional link group comprises a plurality of functional links that are connected in parallel, described the first coaxial switch group connects with each functional link of being connected in the functional link group, described the first coaxial switch group is controlled the connection of each functional link in the described functional link group and is closed, test specification requirement according to the test of the RF consistency of wireless communication terminal, in test process, described the first coaxial switch group is only connected a functional link.
8. the device that the public network wireless communication terminal is carried out RF consistency test according to claim 7, it is characterized in that, described bank of filters comprises the filter of a plurality of different models that are connected in parallel, described the second coaxial switch group connects with each filter of being connected in the bank of filters, described the second coaxial switch group is controlled the connection of each filter in the described bank of filters and is closed, test specification requirement according to the test of the RF consistency of wireless communication terminal, in test process, described the second coaxial switch group is only connected a filter or all filters is disconnected.
9. the device that the public network wireless communication terminal is carried out 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, receive the measured signal of the wireless communication terminal of input by described equipment under test interface, be transferred to bank of filters by the measured signal of described filter interface after with compensation deals, test instrumentation is exported in the measured signal after by described test instrumentation interface described device being processed.
10. according to claim 7 to 9 each described devices that the public network wireless communication terminal is carried out the RF consistency test, it is characterized in that described a plurality of functional links comprise: 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. the device that the public network wireless communication terminal is carried out the RF consistency test according to claim 10, it is characterized in that, the filter of described a plurality of different models comprises: the 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. the device that the public network wireless communication terminal is carried out the 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 spuious section more than the 3GHz frequency range, connect the 3GHz high pass filter in the described bank of filters; For more than 2.4GHz spuious section of frequency range, connect the 2.4GHz high pass filter in the described bank of filters; For more than 1.28GHz spuious section of frequency range, connect the 1.28GHz high pass filter in the described bank of filters; For below 1GHz spuious section of frequency range, connect the 1GHz low pass filter in the described bank of filters; Spuious section for specific (special) requirements is used 860MHz-870MHz and 1805MHz-1850MHz or 1805MHz-1880MHz band pass filter.
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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 |