CN1848712A - Testing system and testing method for radio apparatus - Google Patents
Testing system and testing method for radio apparatus Download PDFInfo
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- CN1848712A CN1848712A CNA200510064217XA CN200510064217A CN1848712A CN 1848712 A CN1848712 A CN 1848712A CN A200510064217X A CNA200510064217X A CN A200510064217XA CN 200510064217 A CN200510064217 A CN 200510064217A CN 1848712 A CN1848712 A CN 1848712A
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Abstract
A method for testing radio device utilizes two radio device to be tested to transmit and to receive signal for testing two radio devices to be tested simultaneously so as to save test time and assembling- disassembling step of test equipment.
Description
Technical field
The present invention relates to a kind of test macro and method of testing of wireless device, particularly test the test macro and the method for testing of two wireless devices to be measured simultaneously.
Background technology
In recent years, along with advancing by leaps and bounds of wireless communication technique, mobile phone (mobile phone) and WLAN (wireless local area network) (wireless local area network; WLAN) application is also more prevalent.For wireless communication apparatus, as the manufacturer of mobile phone, wireless network adapter, wireless bridge (access point) or the like, the signal receiving/transmission of test products or adopt cable mode to carry out product test in the anechoic chamber of generally being everlasting.But, the test mode of its anechoic chamber is once only to place one to be installed in the anechoic chamber, if there are many products etc. to be tested, then in the whole test process, will spend many times (comprises the Kai Heguan of anechoic chamber, the wiring of device to be measured etc.) on Unit Installation to be measured, and except the device of testing, other device to be measured just is in idle state, lacks so very much efficient.If think to test simultaneously a plurality of wireless devices, then need to set up a plurality of anechoic chambers and just can reach, but this measure can increase testing cost again, comprises the cost of equipment, and the cost of operating manpower.Therefore, for need carry out fast a large amount of radio communication products, the manufacturer of low cost test, aforesaid test mode lacks efficient.
In addition, illustrate the test mode of general wireless network adapter, manufacturer is provided with several testing stations, be used for testing the parameters that transmits and receives of wireless network adapter, as peak power output, minimum power input and packet error (Packet Error Rate, PER) etc., this wireless network card is earlier at first testing station test receiving terminal, produce a standard signal by a selected sample (Golden Sample), this wireless network card receives this standard signal, in order to parameters such as the minimum power input of testing this wireless network card and packet error, and second testing station test, analyze the parameters such as peak power output of this wireless network card by a power meter, above-mentioned test mode once can only be tested a wireless network card, and each testing station all needs the step of dismounting wireless network card and testing equipment.
In view of this, the present invention proposes a kind of wireless device test macro and method of testing, not only can avoid aforementioned disadvantages, can carry out the test of two wireless telecommunications systems at lower cost simultaneously again, to promote testing efficiency.
Summary of the invention
The test macro and the method for testing that the purpose of this invention is to provide a kind of wireless device are to test two wireless devices to be measured simultaneously to reduce the testing time.
For reaching above-mentioned purpose, test macro preferred embodiment of the present invention comprises: one first wireless device to be measured, one second wireless device to be measured, a channel simulator, a signal monitoring device, two attenuators and two CU channel unit.This first wireless device to be measured is in order to provide one first to transmit and deliver to this channel simulator, and produce corresponding one first test signal, this second wireless device to be measured receives this first test signal, and this CU channel unit has one first end, one second end and one the 3rd end, one of them first end of these two CU channel unit couples this first wireless device to be measured, this second end couples the channel simulator, and the 3rd end couple this signal monitoring device, and first end of another CU channel unit couples this second wireless device to be measured, couple this channel simulator with this second end, and the 3rd end couple this signal monitoring device, these two attenuators are arranged at first respectively and wait to establish between wireless device and the CU channel unit and between second wireless device to be measured and another CU channel unit, in order to avoid first transmit excessive with second power that transmits, and this signal monitoring device couples this first wireless device to be measured and this second wireless device to be measured, first transmits and this first test signal in order to monitor this.
Method of testing preferred embodiment of the present invention comprises the following steps:
At least two wireless devices to be measured, a channel simulator and a signal monitoring device are provided, and this channel simulator couples between these two wireless devices to be measured, couples this two wireless devices to be measured with this signal monitoring device;
First wireless device to be measured of these two wireless devices to be measured provides first to transmit by this channel simulator, and produces corresponding first test signal;
Second wireless device to be measured of these two wireless devices to be measured receives first test signal;
This signal monitoring device is analyzed this and first is transmitted and this first test signal;
What this second wireless device to be measured provided one second transmits by this channel simulator, and produces corresponding one second test signal;
This first wireless device to be measured receives this second test signal;
This signal monitoring device is analyzed this and second is transmitted and this second test signal.
For the ease of understanding feature of the present invention, purpose and function, the present invention is described in detail with concrete enforcement power below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the calcspar of test macro preferred embodiment of the present invention;
Fig. 2 is the action flow chart of method of testing preferred embodiment of the present invention;
Fig. 3 is the calcspar of another preferred embodiment of test macro of the present invention.
Description of reference numerals: 10 test macros; 11 first wireless devices to be measured; 12 second wireless devices to be measured; 13 channel simulators; 14 signal monitoring devices; 141 power meters; 142 spectrum analyzers; 143 control device; 15 attenuators; 16 first CU channel unit; 17 second channel devices; 18 the 3rd CU channel unit; 19 the 4th CU channel unit; 16a, 17a, 18a, 19a-first end; 16b, 17b, 18b, 19b-second end; 16c, 17c, 18c, 19c-the 3rd end; Step 91～97th, method of testing process step of the present invention.
Embodiment
See also test macro preferred embodiment of the present invention shown in Figure 1.This test macro 10 comprises: first wireless device to be measured 11, second wireless device to be measured 12, a channel simulator 13, four CU channel unit (first CU channel unit 16, second channel device 17, the 3rd CU channel unit 18, the 4th CU channel unit 19) and a signal monitoring device 14.This first wireless device 11 to be measured couples this channel simulator 13 and can provide one first to transmit and be sent to this channel simulator 13.This channel simulator 13 receives this and first transmits, and produces corresponding one first test signal.This second wireless device 12 to be measured couples this channel simulator 13, and receives this first test signal, and this second wireless device 12 to be measured also can provide one second measured signal to deliver to channel simulator 13 in addition, and produces corresponding one second test signal.This signal monitoring device 14 couples this first wireless device 11 to be measured and this second wireless device 12 to be measured respectively, in order to monitoring and analyze that this first transmits, this first test signal, this second transmits and this second test signal, and this signal monitoring device 14 comprises an at least one power meter 141 and a spectrum analyzer 142.In addition, be provided with first CU channel unit 16 between this first wireless device 11 to be measured and this channel simulator 13, and also be provided with second channel device 17 between this second wireless device 12 to be measured and this channel simulator 13.
This first wireless device 11 to be measured and second wireless device 12 to be measured can be a wireless network adapter, a wireless bridge or radio telephone.These four CU channel unit (16,17,18,19) are one 3 ports (end) power dividers (Power Divider), and this power divider has one first end a, one second end b and one the 3rd end c.This power divider can be sent into signal by the first end a, with special ratios signal is taken out respectively by the second end b and the 3rd end c again, also can send into signal by the second end b, takes out signal by the first end a and the 3rd end c again.This first end 16a of first CU channel unit 16 couples this first wireless device 11 to be measured and transmits in order to receive first, this second end 16b of first CU channel unit 16 couples this channel simulator 13, and the 3rd end 16c of first CU channel unit 16 also can couple the first end 18a of the 3rd CU channel unit 18, this signal monitoring device 14 transmits taking out first of special ratios by the second end 18b of the 3rd CU channel unit 18 and the 3rd end 18c, simultaneously can test multiple disparity items to increase the number of signal monitoring device 14, to make.
As shown in Figure 1, the 3rd end 16c of this first CU channel unit 16 couples the first end 18a of the 3rd CU channel unit 18, and the second end 18b of the 3rd CU channel unit 18 is coupled with a spectrum analyzer 142, and the 3rd end 18c of the 3rd CU channel unit 18 couples a power meter 141, in order to analyze first centre frequency that transmits, power mask and the watt level of first wireless device 11 to be measured.And the configuration of this second wireless device to be measured 12 and second channel device 17, the 4th CU channel unit 19 is not given unnecessary details at this as first wireless device to be measured and first CU channel unit 16, the 3rd CU channel unit 18.In addition, these four CU channel unit (16,17,18,19) also can be one 3 ports (end) couplers (Coupler).This power divider and this coupler are that those skilled in the art can be changed enforcement according to above-mentioned explanation, will not lose main idea of the present invention place, also do not break away from spirit and scope of the invention, so do not add to give unnecessary details at this.
This channel simulator 13 is attenuators, can decay to signal by attenuator, transmit loss in the space in order to simulate signal, generally speaking, wireless signal transmits in the space and can produce signal attenuation according to the distance of distance, therefore by the needed test space of these channel simulator 13 emulation, to reach the effect of dwindling measuring distance, when first wireless device 11 to be measured provides first to transmit by behind this channel simulator 13, promptly produce first test signal.This signal monitoring device 14 is coupled to this first wireless device 11 to be measured and second wireless device 12 to be measured, in order to analyze transmitting and received signal of first wireless device 11 to be measured and this second wireless device 12 to be measured, select different signal monitoring devices for use according to different test event demands, for example spectrum analyzer (Spectrum analyzer) or power meter (Power Meter) etc.This test macro 10 also can utilize a control device 143, as personal computer or work station (workstation), be coupled to first wireless device 11 to be measured and this second wireless device 12 to be measured respectively, to control transmitting and receiving of first wireless device 11 to be measured and this second wireless device 12 to be measured respectively, and control device 143 also can carry out correlation analysis software, to carry out the analysis of signal.
In addition, in another embodiment, also can between first wireless device 11 to be measured and first CU channel unit 16 and between this second wireless device 12 to be measured and the second channel device 17 attenuator 15 (as shown in Figure 3) be set respectively, in order to first and second wireless devices 11 to be measured of decaying, 12 first and second power that transmit that provided, avoid because first and second power that transmit are excessive, and cause the damage of signal monitoring device 14, and cause first and second wireless devices 11 to be measured, 12 produce intraware because of the power of received signal is excessive damages.
The following describes and how to utilize aforesaid test macro 10 to implement method of testing of the present invention.See also the action flow chart of method of testing preferred embodiment of the present invention shown in Figure 2.This method of testing comprises the following steps:
91: at least two wireless devices 11,12 to be measured, a channel simulator 13 and signal monitoring devices 14 are provided, this channel simulator 13 couples between two wireless devices 11,12 to be measured, couples two wireless devices 11,12 to be measured with this signal monitoring device 14;
92: one first wireless device 11 to be measured of these two wireless devices to be measured provides one first to transmit by this channel simulator 13, and produces corresponding one first test signal;
93: one second wireless device 12 to be measured of these two wireless devices to be measured receives this first test signal;
94: this signal monitoring device 14 is analyzed this and first is transmitted and this first test signal;
95: this second wireless device 12 to be measured provides one second to transmit by this channel simulator 13, and produces corresponding one second test signal;
96: this first wireless device 11 to be measured receives this second test signal;
97: this signal monitoring device 14 is analyzed this and second is transmitted and this second test signal.
In the step 91, this first wireless device 11 to be measured and second wireless 12 devices to be measured can be installed according to test macro 10 shown in Figure 1.
And this first transmits through behind this channel simulator 13, produce corresponding first test signal, this second wireless device 12 to be measured receives this first test signal, by control device 143 with proper method, for example carry out first test signal that signal quality (signal quality) analysis software second wireless device 12 to be measured receives, with minimum power input and packet error (the Packet error rate that records second wireless device 12 to be measured, PER), usefulness in order to the receiver (Rx) of testing second wireless device 12 to be measured, this control device 143 also can be carried out the link quality analysis software in addition, with the following chain data throughput (downlink throughtput) of the receiver (Rx) of the cochain data throughput (uplink throughtput) of the transmitter (Tx) that records first wireless device 11 to be measured and second wireless device 12 to be measured.
As above-mentioned method of testing, can not need additionally to load and unload the action of wireless device to be measured and testing equipment in the signal transmitting and receiving related data of two wireless devices to be measured of same testing station test, can significantly improve testing efficiency and reduce production costs.
The above only is preferred embodiment of the present invention, can not limit the scope of the invention with this.Therefore all equalizations of doing according to claim of the present invention change and modify, will not lose main idea of the present invention place, also do not break away from the spirit and scope of the present invention, all should be considered as further enforcement of the present invention.
Claims (23)
1. the test macro of a wireless device is characterized in that, this test macro comprises:
One first wireless device to be measured provides first to transmit;
One channel simulator couples this first wireless device to be measured, first transmits in order to receive this, and produces corresponding first test signal;
One second wireless device to be measured couples this channel simulator, and receives first test signal; And
One signal monitoring device couples first wireless device to be measured and second wireless device to be measured, transmits and first test signal in order to monitor first.
2. test macro as claimed in claim 1 is characterized in that it also comprises:
One first CU channel unit, at least have three channel ends, first end of this first CU channel unit couples this first wireless device to be measured, and second end of this first CU channel unit couples this channel simulator, and the 3rd end of this first CU channel unit couples this signal monitoring device; And
One second channel device, at least have three channel ends, first end of this second channel device couples this second wireless device to be measured, and second end of this second channel device couples this channel simulator, and the 3rd end of this second channel device couples this signal monitoring device.
3. test macro as claimed in claim 2 is characterized in that the 3rd end of this first CU channel unit couples first end of this second channel device.
4. test macro as claimed in claim 1 is characterized in that it also comprises:
One control device couples this first wireless device to be measured, this second wireless device to be measured and this signal monitoring device, in order to controlling this first generation that transmits, and the measurement of this first test signal and monitoring.
5. test macro as claimed in claim 1 is characterized in that this channel simulator is an attenuator.
6. test macro as claimed in claim 2 is characterized in that this first CU channel unit and this second channel device are a power divider or a coupler.
7. test macro as claimed in claim 1, it is characterized in that this second wireless device to be measured provides second to transmit and deliver to this channel simulator, and produce corresponding second test signal, and this first wireless device to be measured receives this second test signal.
8. test macro as claimed in claim 1 is characterized in that this signal monitoring device comprises a power meter.
9. test macro as claimed in claim 8 is characterized in that this signal monitoring device also comprises a spectrum analyzer.
10. test macro as claimed in claim 2 is characterized in that having an attenuator respectively between this first CU channel unit and this first wireless device to be measured and between this second channel device and this second device to be measured.
11. the method for testing of a wireless device is characterized in that, this method of testing comprises the following steps:
At least two wireless devices to be measured, a channel simulator and a signal monitoring device are provided, and this channel simulator couples between two wireless devices to be measured, and the signal monitoring device couples this two wireless devices to be measured;
What first wireless device to be measured of these two wireless devices to be measured provided first transmits by this channel simulator, and produces corresponding first test signal;
Second wireless device to be measured of these two wireless devices to be measured receives this first test signal;
This signal monitoring device is analyzed this and first is transmitted and this first test signal;
This second wireless device to be measured provides second to transmit by this channel simulator, and produces corresponding second test signal;
This first wireless device to be measured receives this second test signal; And
This signal monitoring device is analyzed this and second is transmitted and this second test signal.
12. method of testing as claimed in claim 11 is characterized in that analyzing this first step that transmits with this first test signal and comprises the peak power output of analyzing this first this wireless device to be measured.
13. method of testing as claimed in claim 12 is characterized in that analyzing first step that transmits with this first test signal and comprises minimum power input and the packet error of analyzing this second this wireless device to be measured.
14. method of testing as claimed in claim 11 is characterized in that analyzing this second step that transmits with this second test signal and comprises the peak power output of analyzing this second wireless device to be measured.
15. method of testing as claimed in claim 14 is characterized in that analyzing this second step that transmits with this second test signal and comprises minimum power input and the packet error of analyzing this first wireless device to be measured.
16. method of testing as claimed in claim 11 is characterized in that analyzing this first step that transmits with this first test signal and comprises the data throughput of analyzing this first wireless device to be measured.
17. method of testing as claimed in claim 16 is characterized in that analyzing this second step that transmits with this second test signal and comprises the data throughput of analyzing this second wireless device to be measured.
18. method of testing as claimed in claim 11 is characterized in that analyzing this first step that transmits with this first test signal and comprises the centre frequency of analyzing this first transmitting power.
19. method of testing as claimed in claim 18 is characterized in that analyzing this first step that transmits with first test signal and comprises the power mask of analyzing this first transmitting power.
20. method of testing as claimed in claim 11 is characterized in that analyzing this second step that transmits with this second test signal and comprises the centre frequency of analyzing this second transmitting power.
21. method of testing as claimed in claim 20 is characterized in that analyzing this second step that transmits with this second test signal and comprises the power mask of analyzing this second transmitting power.
22. method of testing as claimed in claim 19, it is characterized in that analyzing this first step that transmits with this first test signal is to utilize spectrum analyzer to analyze the centre frequency and the power mask of this first transmitting power.
23. method of testing as claimed in claim 21, it is characterized in that analyzing this second step that transmits with this second test signal is to utilize a spectrum analyzer to analyze the centre frequency and the power mask of this second transmitting power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200510064217XA CN1848712B (en) | 2005-04-11 | 2005-04-11 | Testing system and testing method for radio apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200510064217XA CN1848712B (en) | 2005-04-11 | 2005-04-11 | Testing system and testing method for radio apparatus |
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| CN1848712A true CN1848712A (en) | 2006-10-18 |
| CN1848712B CN1848712B (en) | 2011-06-15 |
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| CN200510064217XA Expired - Fee Related CN1848712B (en) | 2005-04-11 | 2005-04-11 | Testing system and testing method for radio apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943731B (en) * | 2009-07-07 | 2013-01-02 | 钰程科技股份有限公司 | Element test system and method |
| CN101471739B (en) * | 2007-12-27 | 2013-03-20 | 比亚迪股份有限公司 | Testing device and method for testing radio equipment shell conductive performance |
| CN102984749A (en) * | 2012-12-17 | 2013-03-20 | 复旦大学 | RFC2544 protocol standard method for performance test of wireless equipments |
| CN101988948B (en) * | 2009-08-05 | 2013-05-22 | 智邦科技股份有限公司 | Member parallel test system and test method thereof |
| CN101988947B (en) * | 2009-07-29 | 2013-06-19 | 智邦科技股份有限公司 | Inline element testing system and method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0649582A4 (en) * | 1992-06-30 | 1997-10-08 | Heuer H Instr Pty Ltd | Margin test apparatus for integrated services digital networks. |
| US6088582A (en) * | 1997-07-16 | 2000-07-11 | International Business Machines Corp. | Controlled environment radio test apparatus and method |
| WO2000036770A1 (en) * | 1998-12-14 | 2000-06-22 | Ast Technology Labs Inc. | Method and apparatus for measuring the range performance of a wireless communication device |
| CN1433165A (en) * | 2002-01-18 | 2003-07-30 | 金桥电子实业股份有限公司 | Measurement device and method for micropower short-wave FM radio set |
| KR20030008199A (en) * | 2002-12-31 | 2003-01-24 | (주)스페이스링크 | System for monitering of RF power remotely |
| CN2686219Y (en) * | 2003-07-15 | 2005-03-16 | 智邦科技股份有限公司 | Multipath emulation system |
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2005
- 2005-04-11 CN CN200510064217XA patent/CN1848712B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471739B (en) * | 2007-12-27 | 2013-03-20 | 比亚迪股份有限公司 | Testing device and method for testing radio equipment shell conductive performance |
| CN101943731B (en) * | 2009-07-07 | 2013-01-02 | 钰程科技股份有限公司 | Element test system and method |
| CN101988947B (en) * | 2009-07-29 | 2013-06-19 | 智邦科技股份有限公司 | Inline element testing system and method thereof |
| CN101988948B (en) * | 2009-08-05 | 2013-05-22 | 智邦科技股份有限公司 | Member parallel test system and test method thereof |
| CN102984749A (en) * | 2012-12-17 | 2013-03-20 | 复旦大学 | RFC2544 protocol standard method for performance test of wireless equipments |
| CN102984749B (en) * | 2012-12-17 | 2016-04-20 | 复旦大学 | For the RFC2544 consensus standard method of wireless device performance test |
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| CN1848712B (en) | 2011-06-15 |
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