CN203289453U - Automatic radio frequency testing system for WCDMA terminal - Google Patents
Automatic radio frequency testing system for WCDMA terminal Download PDFInfo
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- CN203289453U CN203289453U CN2013202093660U CN201320209366U CN203289453U CN 203289453 U CN203289453 U CN 203289453U CN 2013202093660 U CN2013202093660 U CN 2013202093660U CN 201320209366 U CN201320209366 U CN 201320209366U CN 203289453 U CN203289453 U CN 203289453U
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Abstract
The utility model is an automatic radio frequency testing system for a WCDMA terminal. The system comprises a communication tester, a first combiner and a testing terminal, wherein the communication tester is connected with the testing terminal through the first combiner and is used for simulating a WCDMA signal, and the first combiner is connected with the communication tester and the testing terminal and is used for combining signals accessed by interfaces at a multi-interface side and outputting the combined signals to an interface at a single-interface side. Automatic instrument control and automatic radio frequency index test and judgment are realized by controlling a computer so as to automatically verify a receiver of the WCDMA terminal and radio frequency indexes of the WCDMA terminal such as performance in a complex environment and solve the technical problem that a testing system in the prior art has poor flexibility due to many different instruments.
Description
Technical field
The utility model relates to Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA) technical field, particularly relates to the test macro of WCDMA, is a kind of WCDMA terminal radio frequency automatization test system specifically.
Background technology
The radio frequency testing of WCDMA terminal is at international norm 3GPP TS34.121 " 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; User Equipment (UE) conformance specification; Radio transmission and reception (FDD); Part1:Conformance specification " in stipulate, checking is all according to this standard to the radio frequency testing of WCDMA terminal in the areas such as Europe, North America in the world.
In the world the radio frequency testing of WCDMA terminal is all completed by RF consistency testing system at present, the main flow test macro comprises the ME7873F of the vertical company of day intrinsic safety and the TS8950W of German Luo De Schwarz company, and the test specification of foundation is all 3GPP TS34.121.Below take the ME7873F of the vertical company of day intrinsic safety as example, test macro is briefly introduced.Whole test macro comprises system simulator MD8480C, vector signal generator MG3700A, comprehensive continuous signal generator MG3692A, digital radio transmitter test instrumentation MS8609A, digital modulation signal generator MG3681A, wireless channel fading simulator PROPSim C2, error rate tester MP1201C, radio frequency mixer unit MN7463A, radio-frequency (RF) switch unit MN7465A, filter etc.The TS8950W test macro of Germany Luo De Schwarz company and above-mentioned ME7873F system meter form similar, also signal source, system simulator, fading simulator etc., consist of, and what just single table adopted is the product of our company of Luo De Schwarz company.
Mainly there is following problem in above-mentioned test macro:
(1), the equal price of above-mentioned test macro is expensive, substantially all needs to spend the millions RMB and just can purchase, testing cost is too high;
(2), above-mentioned test macro instrument is various, test connects very complicated, if wherein loosening the or instrument of connecting line goes wrong, whole system need to be stopped using, reactivate and need to again calibrate and path compensation, reduced the flexibility of test macro;
(3), above-mentioned Design of Test System and its establishing criteria of exploitation are the 3GPP international norms, and in China, the radio-frequency verification of WCDMA terminal is tested according to industry standard, industry standard herein refers to YD/T1548.1-2009 " 2GHz WCDMA digital mobile cellular telecommunication network termination apparatus testing method (phase III) part 1: basic function, business and performance test " and YD/T2218.1-2011 " 2GHzWCDMA digital mobile cellular telecommunication network termination apparatus testing method (fourth stage) part 1: the basic function of high-speed packet access (HSPA), business and performance test ".
The utility model content
The utility model provides a kind of WCDMA terminal radio frequency automatization test system, be connected the connection built work of test instrumentation with YD/T2218.1-2011 according to industry standard YD/T1548.1-2009, solve the technical problem of the very flexible of the test macro that test macro of the prior art causes because instrument is various, realize the automatic Verification to radio-frequency (RF) index such as performances under the receiver of WCDMA terminal and complex environment.
The purpose of this utility model is, a kind of Wideband Code Division Multiple Access (WCDMA) WCDMA terminal radio frequency automatization test system is provided, and described WCDMA terminal radio frequency automatization test system specifically comprises communication test instrument, the first mixer and test terminal; Wherein, described communication test instrument, be connected with described test terminal by described the first mixer, is used for simulation WCDMA signal; Described the first mixer, be connected with described communication test instrument, described test terminal, is used for that the signal that the interface of many interface sides accesses is closed road and outputs to the interface of single interface side.
Preferably, described WCDMA terminal radio frequency automatization test system also comprises the control computer, with described communication test instrument, is connected.
Preferably, described WCDMA terminal radio frequency automatization test system also comprises signal generator and the second mixer; Described signal generator, be connected with described the first mixer by described the second mixer, is used for the analog-modulated interference signal; Described the second mixer, be connected with described the first mixer, is used for the interface branch of many interface sides is outputed to the interface of single interface side.
Preferably, described WCDMA terminal radio frequency automatization test system also comprises the vector signal source, with described the second mixer, is connected, and is used for the simulation continuous wave signal.
Preferably, described WCDMA terminal radio frequency automatization test system also comprises the vector signal source, with described the second mixer, is connected, and is used for simulation white Gaussian noise interference signal.
Preferably, described WCDMA terminal radio frequency automatization test system also comprises the fading signal simulator, with described communication test instrument and described the first mixer, is connected, and is used for the baseband signal of described communication test instrument is carried out multiple fading environment simulation.
The beneficial effects of the utility model are: a kind of WCDMA terminal radio frequency automatization test system is provided, be connected the connection built work of test instrumentation with YD/T2218.1-2011 according to industry standard YD/T1548.1-2009, and by controlling computer realization to the automatic control of instrument and automatic test and the judgement of radio-frequency (RF) index,, to realize the automatic Verification to radio-frequency (RF) index such as performances under the receiver of WCDMA terminal and complex environment, solve the technical problem of the very flexible of the test macro that test macro of the prior art causes because instrument is various.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of execution mode one of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment;
Fig. 2 is the structural representation of execution mode two of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment;
Fig. 3 is the structural representation of execution mode three of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment;
Fig. 4 is the structural representation of execution mode four of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment;
Fig. 5 is the structural representation of execution mode five of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment;
Fig. 6 is the structural representation of execution mode six of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment;
Fig. 7 is the structural representation of execution mode seven of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
The utility model provides a kind of WCDMA terminal radio frequency automatization test system, be connected the connection built work of test instrumentation with YD/T2218.1-2011 according to industry standard YD/T1548.1-2009, and by controlling computer realization to the automatic control of instrument and automatic test and the judgement of radio-frequency (RF) index,, to realize the automatic Verification to radio-frequency (RF) index such as performances under the receiver of WCDMA terminal and complex environment, solve the technical problem of the very flexible of the test macro that test macro of the prior art causes because instrument is various.
Fig. 1 is the structural representation of execution mode one of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and as shown in Figure 1, this system specifically comprises communication test instrument 100, the first mixer 300 and test terminal 200;
Wherein, described communication test instrument 100, be connected with described test terminal 200 by described the first mixer 300, is used for simulation WCDMA signal;
Described the first mixer 300, be connected with described communication test instrument 100, described test terminal 200, is used for that the signal that the interface of many interface sides accesses is closed road and outputs to the interface of single interface side;
Fig. 2 is the structural representation of execution mode two of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, as shown in Figure 2, described WCDMA terminal radio frequency automatization test system also comprises controls computer 400, be connected with described communication test instrument 100, be used for controlling described communication test instrument.In concrete execution mode, can work out test program in advance in controlling computer, to realize the automatic control of instrument and the automatic test of radio-frequency (RF) index.
In other execution modes of the present utility model, described WCDMA terminal radio frequency automatization test system also comprises signal generator 600 and the second mixer 700;
Described signal generator 600, be connected with described the first mixer 300 by described the second mixer 700, is used for the analog-modulated interference signal;
Described the second mixer 700, be connected with described the first mixer 300, is used for the interface branch of many interface sides is outputed to the interface of single interface side.
In other execution modes of the present utility model, described WCDMA terminal radio frequency automatization test system also comprises vector signal source 800, with described the second mixer 700, is connected, and is used for the simulation continuous wave signal.
In other execution modes of the present utility model, described WCDMA terminal radio frequency automatization test system also comprises vector signal source 800, with described the second mixer 700, is connected, and is used for simulation white Gaussian noise interference signal.
In other execution modes of the present utility model, described WCDMA terminal radio frequency automatization test system also comprises fading signal simulator 900, be connected with described communication test instrument 100 and described the first mixer 300, be used for the baseband signal of described communication test instrument is carried out multiple fading environment simulation.In other execution modes of the present utility model, fading signal simulator 900 also can be realized by vector signal source 800.
, below in conjunction with specific embodiment, introduce in detail particular content of the present utility model.In following specific embodiment, main tester can adopt the instrument shown in table 1:
Table 1
Line inventory between each above-mentioned instrument is as follows:
Table 2
| Type | Quantity |
| Two N line | 2 |
| N turns the SMA line | 3 |
| IQ line (1 turns 4) | 1 |
| The second mixer | 1 |
| The first mixer | 1 |
| Attenuator | 2 |
Line between each instrument is described as follows:
1, N turns the RF50 Ω output A mouth of the N head connection SMU200A of SMA line #1, and the SMA head connects output port of the second mixer.
2, N turns the RF50 Ω output A mouth of the N head connection SMIQ03Q of SMA line #2, and the other end connects output port of the second mixer.
3, the N N head that turns SMA line #3 connects two attenuators and links an input port of the first mixer again, and the SMA head connects the second mixer.Total head end of IQ line connects CUM200 I/Q CH1 behind, and one group of IQ line connects I, the Q input port of SMU200A front, and another group is linked SMU200A I, Q output port behind.
4, two N line #1 two connect respectively RF3OUT and the RF4IN of CMU200.
5, two N line #2 one ends are linked the RF2 port of CMU200, an other input port of linking the first mixer.
DLL (dynamic link library) and the machine code of utilizing manufacturers to provide in the present embodiment, realize the overall situation of whole test macro is controlled on the basis of NI VISA driving platform.On above-mentioned environmental basis, adopt in advance C# language, realization is carried out Long-distance Control to each instrument, comprise power level is set, load the operations such as interference signal, thereby realize full-automation test and the result judgement of the test case shown in his-and-hers watches 3, and this test can meet requirement and the precision of standard fully.
Table 3
Fig. 3 is the structural representation of execution mode three of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, as shown in Figure 3, in concrete execution mode, communication test instrument 100 can be universal wireless communication tester (Universal Radio Communication Tester), specifically can realize by the tester that model is CMU200.System shown in Figure 3 can be used to test case 1 and the test case 2 in test chart 3.Below be introduced respectively.
Test case 1: with reference to sensitive level
1, index request
BER≤0.1%
2, Instrument connection
As shown in Figure 3.
3, technology realizes
(1), CMU200 is as the communication test instrument, and Ior, Ec/Ior, DPDCH constant power value are set, and necessary reference channel, loopback mode and the algorithm of test.
(2), CMU makes mobile phone reach maximum transmission power to mobile phone transmitted power climb command.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BER of mobile phone looping back data.
Test case 2: maximum input level
1, index request
BER≤0.1%
2, Instrument connection
As shown in Figure 3.
3, technology realizes
(1), CMU200 arranges Ior, Ec/Ior, CPICH constant power value as the communication test instrument, and tests necessary loopback mode and algorithm.
(2), CMU to make mobile phone reach target power to the mobile phone transmit power command be the 20dBm(class3 mobile phone).
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BER of mobile phone.
Test case 3: adjacentchannel selectivity
1, index request
BER≤0.1%
2, Instrument connection
Fig. 4 is the structural representation of execution mode four of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 4 as shown in Figure 4.
3, technology realizes
(1), CMU200 arranges Ior, Ec/Ior, CPICH constant power value as the communication test instrument, and necessary loopback mode and the algorithm of test, make mobile phone enter the loopback test pattern.
(2), with SMIQ analog-modulated interference signal, be loaded on the radiofrequency signal of being sent by CMU200 as interference by the second mixer and the first mixer.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BER on mobile phone DCH.
Test case 4: intermodulation characteristic
1, index request
BER≤0.1%
2, Instrument connection
Fig. 5 is the structural representation of execution mode five of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 4 as shown in Figure 5.
3, technology realizes
(1), CMU200 arranges Ior, DPCH_Ec constant power value as the communication test instrument, and necessary loopback mode and the algorithm of test, make mobile phone enter the loopback test pattern.
(2), with SMIQ analog-modulated interference signal, be loaded on the radiofrequency signal of being sent by CMU200 as interference by the second mixer and the first mixer with SMU200A simulation continuous wave signal.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BER on mobile phone DCH.
Test case 5: the DCH demodulation (384kbps) under static propagation conditions---test 1
1, index request
BLER≤10%
2, Instrument connection
Fig. 6 is the structural representation of execution mode six of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 5 as shown in Figure 6.
3, technology realizes
(1), CMU200 arranges Ior, P-CPICH, ioc constant power value as the communication test instrument, and necessary reference channel, the loopback mode of test, make mobile phone enter the loopback test pattern.
(2), with SMU200A, produce the white Gaussian noise interference signal, be loaded on the radiofrequency signal of being sent by CMU200 as interference by the second mixer and the first mixer.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BLER on mobile phone DCH.
Test case 6: the DCH demodulation (384kbps) under multipath fading condition 2 propagation conditionss
1, index request
BLER≤10%
2, Instrument connection
Fig. 7 is the structural representation of execution mode seven of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 6 as shown in Figure 7.
3, technology realizes
(1), CMU200 arranges Ior, P-CPICH, ioc constant power value as the communication test instrument, and necessary reference channel, the loopback mode of test, make mobile phone enter the loopback test pattern.
(2), by the I/Q line, the CMU200 baseband signal is carried out multipath fading as the fading signal simulator with SMU200A, and finally by the CMU200TX mouth, export the radiofrequency signal that base band declined, SMU200A produces the white Gaussian noise interference signal simultaneously, by the second mixer and the first mixer, is loaded on the radiofrequency signal of being sent by CMU200 as disturbing.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BLER on mobile phone DCH.
Test case 7: the DCH demodulation (384kbps) under multipath fading condition 3 propagation conditionss
1, index request
BLER≤10%
2, Instrument connection
Fig. 7 is the structural representation of execution mode seven of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 7 as shown in Figure 7.
3, technology realizes
(1), CMU200 arranges Ior, P-CPICH, ioc constant power value as the communication test instrument, and necessary reference channel, the loopback mode of test, make mobile phone enter the loopback test pattern.
(2), the fading signal simulator carries out multipath fading by the I/Q line with the CMU200 baseband signal, and finally by the CMU200TX mouth, export the radiofrequency signal that base band declined, SMU200A produces the white Gaussian noise interference signal simultaneously, by the second mixer and the first mixer, is loaded on the radiofrequency signal of being sent by CMU200 as disturbing.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BLER on mobile phone DCH.
Test case 8: the DCH demodulation (64kbps) under the propagation conditions that give birth to/goes out
1, index request
BLER≤1%
2, Instrument connection
Fig. 7 is the structural representation of execution mode seven of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 8 as shown in Figure 7.
3, technology realizes
(1), CMU200 arranges Ior, P-CPICH, ioc constant power value as the communication test instrument, and necessary reference channel, the loopback mode of test, make mobile phone enter the loopback test pattern.
(2), by the I/Q line, the communication mode decline is given birth to/gone out to the CMU200 baseband signal as the fading signal simulator with SMU200A, and finally by the CMU200TX mouth, export the radiofrequency signal that base band declined, SMU200A produces the white Gaussian noise interference signal simultaneously, by the second mixer and the first mixer, is loaded on the radiofrequency signal of being sent by CMU200 as disturbing.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates the BLER on mobile phone DCH.
Test case 9: single link performance-HS-SCCH detects performance
1, index request
P (Em)≤5%(test 1); P (Em)≤1%(test 2); P (Em)≤1%(test 3)
2, Instrument connection
Fig. 7 is the structural representation of execution mode seven of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 9 as shown in Figure 7.
3, technology realizes
(1), CMU200 arranges Ior, HS-SCCH, ioc constant power value as the communication test instrument, and necessary reference channel, the loopback mode of test, make mobile phone enter the loopback test pattern.
(2), the fading signal simulator carries out the various pattern fading falls of above-mentioned list by the I/Q line with the CMU200 baseband signal, and finally by the CMU200TX mouth, export the radiofrequency signal that base band declined, SMU200A produces the white Gaussian noise interference signal simultaneously, by the second mixer and the first mixer, is loaded on the radiofrequency signal of being sent by CMU200 as disturbing.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates NACK, ACK, the DTX value on mobile phone HS-DPCCH.
The detection of test case 10:E-HICH---single link performance (10ms TTI)
1, index request
Lose ACK probability≤1%(test 1); Mistake ACK probability≤50%(test 2)
2, Instrument connection
Fig. 7 is the structural representation of execution mode seven of a kind of WCDMA terminal radio frequency automatization test system of the utility model embodiment, and the Instrument connection of test case 10 as shown in Figure 7.
3, technology realizes
(1), CMU200 as the communication test instrument arrange Ior,
, ioc constant power value, and the necessary loopback mode of test, make mobile phone enter the loopback test pattern.
(2), by the I/Q line, the CMU200 baseband signal is carried out the various pattern fading falls of above-mentioned list as the fading signal simulator with SMU200A, and finally by the CMU200TX mouth, export the radiofrequency signal that base band declined, SMU200A produces the white Gaussian noise interference signal simultaneously, by the second mixer and the first mixer, is loaded on the radiofrequency signal of being sent by CMU200 as disturbing.
(3), mobile phone is connected with CMU200 with the first mixer by radio frequency line, CMU200 calculates NACK, ACK, the DTX value on mobile phone E-DPCCH and E-DPDCH.
In sum, the utility model provides a kind of WCDMA terminal radio frequency automatization test system, be connected the connection built work of test instrumentation with YD/T2218.1-2011 according to industry standard YD/T1548.1-2009, and by controlling computer realization to the automatic control of instrument and automatic test and the judgement of radio-frequency (RF) index, to realize the automatic Verification to radio-frequency (RF) index such as performances under the receiver of WCDMA terminal and complex environment, solve the technical problem of the very flexible of the test macro that test macro of the prior art causes because instrument is various, it is advantageous that:
1, test result reliability strengthens, and whole test process need not manpower intervention,, therefore after test result generation problem, can locate is terminal problem, can elimination technique personnel misoperation cause the possibility that goes wrong.
2, improve testing efficiency, promoted laboratory and accepted the ability of business.
3, whole test process all has real-time log record, promotes the accuracy of test, and has realized the trackability of test process.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, can come the relevant hardware of instruction to complete by computer program, described program can be stored in general computer read/write memory medium, this program when carrying out, can comprise the flow process as the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access Memory, RAM) etc.
Those skilled in the art can also recognize that the various functions that the utility model embodiment lists are to realize depending on the designing requirement of specific application and whole system by hardware or software.Those skilled in the art can be for every kind of specific application, and can make ins all sorts of ways realizes described function, but this realization should not be understood to exceed the scope of the utility model embodiment protection.
Applied specific embodiment in the utility model principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously,, for one of ordinary skill in the art,, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (6)
1. a Wideband Code Division Multiple Access (WCDMA) WCDMA terminal radio frequency automatization test system, is characterized in that, described WCDMA terminal radio frequency automatization test system specifically comprises communication test instrument, the first mixer and test terminal;
Wherein, described communication test instrument, be connected with described test terminal by described the first mixer, is used for simulation WCDMA signal;
Described the first mixer, be connected with described communication test instrument, described test terminal, is used for that the signal that the interface of many interface sides accesses is closed road and outputs to the interface of single interface side.
2. Wideband Code Division Multiple Access (WCDMA) WCDMA terminal radio frequency automatization test system according to claim 1, is characterized in that, described WCDMA terminal radio frequency automatization test system also comprises the control computer, with described communication test instrument, is connected.
3. Wideband Code Division Multiple Access (WCDMA) WCDMA terminal radio frequency automatization test system according to claim 2, is characterized in that, described WCDMA terminal radio frequency automatization test system also comprises signal generator and the second mixer;
Described signal generator, be connected with described the first mixer by described the second mixer, is used for the analog-modulated interference signal;
Described the second mixer, be connected with described the first mixer, is used for the interface branch of many interface sides is outputed to the interface of single interface side.
4. Wideband Code Division Multiple Access (WCDMA) WCDMA terminal radio frequency automatization test system according to claim 3, it is characterized in that, described WCDMA terminal radio frequency automatization test system also comprises the vector signal source, with described the second mixer, is connected, and is used for the simulation continuous wave signal.
5. Wideband Code Division Multiple Access (WCDMA) WCDMA terminal radio frequency automatization test system according to claim 4, it is characterized in that, described WCDMA terminal radio frequency automatization test system also comprises the vector signal source, with described the second mixer, is connected, and is used for simulation white Gaussian noise interference signal.
6. Wideband Code Division Multiple Access (WCDMA) WCDMA terminal radio frequency automatization test system according to claim 5, it is characterized in that, described WCDMA terminal radio frequency automatization test system also comprises the fading signal simulator, be connected with described communication test instrument and described the first mixer, be used for the baseband signal of described communication test instrument is carried out multiple fading environment simulation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202093660U CN203289453U (en) | 2013-04-23 | 2013-04-23 | Automatic radio frequency testing system for WCDMA terminal |
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|---|---|---|---|
| CN2013202093660U CN203289453U (en) | 2013-04-23 | 2013-04-23 | Automatic radio frequency testing system for WCDMA terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618952A (en) * | 2014-12-31 | 2015-05-13 | 上海大唐移动通信设备有限公司 | Terminal |
| CN104811254A (en) * | 2015-04-16 | 2015-07-29 | 东南大学 | WiFi parallel production testing method based on PXI instrument |
| CN106411430A (en) * | 2016-10-26 | 2017-02-15 | 深圳市极致汇仪科技有限公司 | Integrated adjacent channel test system and method |
-
2013
- 2013-04-23 CN CN2013202093660U patent/CN203289453U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104618952A (en) * | 2014-12-31 | 2015-05-13 | 上海大唐移动通信设备有限公司 | Terminal |
| CN104618952B (en) * | 2014-12-31 | 2018-11-09 | 上海大唐移动通信设备有限公司 | A kind of terminal |
| CN104811254A (en) * | 2015-04-16 | 2015-07-29 | 东南大学 | WiFi parallel production testing method based on PXI instrument |
| CN104811254B (en) * | 2015-04-16 | 2018-05-08 | 东南大学 | A kind of WiFi based on PXI instruments produces survey method parallel |
| CN106411430A (en) * | 2016-10-26 | 2017-02-15 | 深圳市极致汇仪科技有限公司 | Integrated adjacent channel test system and method |
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