CN1652488A - Radio Communication Module Test System - Google Patents
Radio Communication Module Test System Download PDFInfo
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- CN1652488A CN1652488A CNA2004100038645A CN200410003864A CN1652488A CN 1652488 A CN1652488 A CN 1652488A CN A2004100038645 A CNA2004100038645 A CN A2004100038645A CN 200410003864 A CN200410003864 A CN 200410003864A CN 1652488 A CN1652488 A CN 1652488A
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Abstract
The invention provides a radio communication module test system, which comprises a test board for generating and receiving radio signals and test signals, an attenuator which is electrically connected with the test board and is used for attenuating the radio signals generated and received by the test board, a shell for isolating the radio signals, a layer of radio signal absorbing material which covers the inner surface of the shell and is used for absorbing the radio signals incident on the shell, a test antenna which is arranged in the shell and is electrically connected with the attenuator and is used for transmitting the radio signals attenuated by the attenuator and receiving the radio signals, and a radio communication module which is arranged in the shell, the radio communication module can receive the radio signal transmitted by the test antenna and generate a test signal accordingly, and receive the test signal transmitted by the test board and transmit a radio signal to the test antenna accordingly.
Description
Technical field
The present invention relates to radio communication system, particularly relate to a kind of whether radiocommunication module test macro of normal operation of a radiocommunication module that is used for testing.
Background technology
In recent years, because the fast development of mechanics of communication, can be integrated into easily in the notebook computer,, for example anytime anywhere all can be got online without being tethered to a cable to increase the use elasticity of this notebook computer such as the radiocommunication module of WLAN etc.In general, a radiocommunication module in being integrated into a computer before, all essential earlier through complicated test program, whether go on well with the basic function that knows this radiocommunication module.
See also Fig. 1, Fig. 1 is transmitted in the transmission consume L (dB) (longitudinal axis) of the radio signals in the ecotopia and the graph of a relation between transmission range r (transverse axis), and the pass between r and L is
Wherein n be 2 under the ecotopia of vacuum,
And C is the light velocity, the F frequency for these radio signals.The known method that is used for testing a radiocommunication module is by the engineering staff radiocommunication module to be measured to be placed a spacious place, just place the simple relatively place of an orographic factor, for example similarly be places such as wide desert or tableland, disturb (multi-path interference) to testing the influence that this radiocommunication module is caused to reduce the multi-path that causes because of complex-terrain reflection radio signals, and by changing transmission range r, and the mode that measures the pairing transmission consume of different transmission range r L, whether operate normally to judge this radiocommunication module.
For the country with vast territory, for example the U.S. will find the desert of above-mentioned suitable test radiocommunication module or tableland not difficult, on the contrary, for some thick areas of persons of low position, ground, Taiwan for example, finding then often seems as above-mentioned spacious place feels inadequate.
In addition, research and development or the research department or the factory that make radiocommunication module, usually can not be positioned at just is suitable for testing near the place of radiocommunication module, in other words, the engineering staff must travel to and fro between to long drive between research department and test site, can reach the purpose of test radiocommunication module.
At last, not only orographic factor such as desert or city can influence to some extent to the test result of radiocommunication module, and some environmental factors such as temperature and humidity etc. also can change to some extent along with the different of testing time.In detail; test a radiocommunication module in a very first time; the temperature and the humidity of the place correspondence at this radiocommunication module place; with at one second this radiocommunication module of time test; the place correspondence at this radiocommunication module place temperature and humidity can be not quite similar usually; in other words; although in this very first time and this second time; this radiocommunication module is tested with identical data; for example identical measuring distance and transmitting power; this radiocommunication module is distinguished also difference to some extent of corresponding test result in this very first time and this second time; in view of the above, known technology and can't under a constant environmental factor, test a radiocommunication module repeatedly and whether operate normally.
In order to overcome above-mentioned orographic factor to the test influence that radiocommunication module caused, people such as Rahman have disclosed a kind of test macro 10 and correlation technique in order to the test radiocommunication module in United States Patent (USP) 6571082.But the orographic factor and the environmental factor of the place correspondence at test macro 10 emulation one radiocommunication module place, and by estimating the pairing multi-path interference of this orographic factor and this environmental factor, transmission consume and Doppler (Doppler) consume, to revise the test result of this radiocommunication module.See also Fig. 2, Fig. 2 is the flow chart that test macro 10 is revised the test result of a radiocommunication module 18.Testing radio signal that radiocommunication module 18 is sent is just received also and then is produced this test result by a radio signals testing apparatus 20 after consuming 16 correction through multi-path disturbed one 2, transmission consume 14 and the Doppler who estimates earlier.People such as Rahman be in set various orographic factor formed correspondence table, seek comparatively be fit to radiocommunication module 18 places such as orographic factor and the pairing data of environmental factor such as temperature or humidity such as city or suburbs, and estimate multi-path disturbed one 2, transmission consume 14 and Doppler according to this and consume 16, in the hope of environmental factor and orographic factor are reduced as much as possible to the influence that test result caused.
Yet the disclosed still unavoidable need of method of testing of people such as Rahman move the inconvenience in test places such as large quantities of forces to desert or tableland from the research department.
Summary of the invention
Therefore main purpose of the present invention provide a kind of not only convenient but also can be close to the radiocommunication module test macro of correctly testing a radiocommunication module, to solve the problem of above-mentioned known technology.
According to a kind of radiocommunication module test macro of the present invention, it comprises one and is used for producing and receiving the testboard that radio signals and are tested signal, one is electrically connected on this testboard and the attenuator of the radio signals that this testboard produced and received that are used for decaying, one is used for isolating the housing of radio signals, one deck is covered in this housing and is used for being absorbed into the radio signals absorbing material of the radio signals that are incident upon on this housing, one is arranged in this housing and is electrically connected on this attenuator and is used for launching radio signals after this attenuator is decayed and the test antenna of reception radio signals, and a radiocommunication module that is arranged in this housing, this radiocommunication module is used for receiving the radio signals that this test antenna transmits and produces a test signal according to this and receive by test signal that this testboard transmitted and launch radio signals according to this to this test antenna.
This test macro also comprise one be connected between this radiocommunication module and this testboard and be used for transmitting the test signal the connection lead, one is used for putting the rotatable storing platform of this radiocommunication module, one is arranged in this housing and is used for receiving the monitoring aerial that is transmitted in the radio signals in this housing, one is connected in this monitoring aerial and is used for analyzing the received radio signals of this monitoring aerial whether operate normal spectrum analyzer to differentiate this test macro, one is used for controlling the interior temperature of this housing and the environmental control of humidity, one is used for producing the radio interference signal and this radio interference signal is emitted to the interior radio interference signal generator of this housing, one is arranged in this housing and is connected in this radio interference signal generator and is used for the radio interference signal that this radio interference signal generator is produced is emitted to potato masher antenna in this housing.
In preferred embodiment of the present invention, this testboard can produce identical radio signals, also can produce the radio signals with different frequency, and the distance between this test antenna and this radiocommunication module is greater than the wavelength of the radio signals that this testboard produced.
Because test macro of the present invention is by the transmission range between this this radiocommunication module of attenuator emulation and this testboard, therefore, the trouble of the transmission range of change one a radio signals testing apparatus and a tested radio signals intermodule can be overcome easily in the known technology.In addition, because temperature in this this housing of environmental control may command and humidity maintenance are constant, therefore, this test macro can repeatedly be tested this radiocommunication module or test other radiocommunication module based on identical environmental factor.At last, test macro of the present invention can make the engineering staff travel to and fro between between research department and test site with avoiding long drive.
Description of drawings
Fig. 1 is transmitted in the transmission range of the radio signals on the ecotopia and the graph of a relation of transmission consume;
Fig. 2 is the flow chart of a known radiocommunication module test macro;
Fig. 3 is the schematic diagram of a radiocommunication module test macro in the preferred embodiment of the present invention;
Whether Fig. 4 simplifies functional block diagram for shown test system and test one radiocommunication module of Fig. 3 normally about the running that receives radio signals; With
Whether Fig. 5 simplifies functional block diagram for shown test system and test one radiocommunication module of Fig. 3 normally about the running of transmitting radio signal.
The reference numeral explanation
10 test macros, 12 multi-paths disturb
14 transmission consumes, 16 Doppler
18 radiocommunication modules, 20 radio signals testing apparatuss
30 test macros, 32 testboards
34 attenuators, 36 housings
38 radio signals absorbing materials, 40 test antennas
42 radiocommunication modules 44 are put platform
46 connect lead 48 environmental controls
50 monitoring aerials, 52 spectrum analyzers
54 radio interference signal generators, 56 potato masher antennas
Embodiment
Test macro of the present invention is the variation that utilizes an attenuator to come transmission range r in the emulation known technology in the mode of decay radio signals.See also Fig. 3, Fig. 3 is the schematic diagram of a radiocommunication module test macro 30 in the preferred embodiment of the present invention.Test macro 30 comprises a testboard 32 that is used for producing and receive radio signals and test signal, one is electrically connected on testboard 32 and is used for the attenuator 34 of the radio signals that attenuation test platform 32 produced and received, one can isolate the housing 36 of radio signals, one deck is covered in the inner surface of housing 36 and is used for being absorbed into the radio signals absorbing material 38 of the radio signals on the inner surface that is incident upon housing 36, one is arranged in the housing 36 and is electrically connected on attenuator 34 and is used for launching radio signals after attenuator 34 decay and the test antenna 40 of reception radio signals, one is used for putting the storing platform 44 of a radiocommunication module 42, one is electrically connected on and puts platform 44 and 32 of testboards and be used for the connection lead 46 of test transmission signal, and one be used for controlling the temperature in the housing 36 and the environmental control 48 of humidity, but the radio signals that radiocommunication module 42 acceptance test antennas 40 are transmitted and produce the test signal according to this and receive the test signal that transmitted by testboard 32 and according to this transmitting radio signal to test antenna 40.
Whether normal process outlines as follows about the running that receives radio signals during test macro 30 test radiocommunication modules 42 distance test platforms 32 transmission range r, the frequency of the radio signals that assumed wireless electricity communication module 42 is launched is 5GHz, and transmission range is 250 meters, shown in A point among Fig. 1: testboard 32 produces radio signals, and attenuator 34 is found out transmission consume L corresponding to transmission range r (250 meters) (radio signals that produced of attenuation test platform 32 100dB) and according to this according to transmission range r (250 meters) in the shown transmission consume L-transmission range R graph of a relation in Fig. 1; Radio signals after 34 decay of test antenna 40 emission attenuators (100dB); Owing to the radio signals absorbing material on the inner surface that is covered in housing 36 38 can absorb the radio signals that surpass on 95% the inner surface that is incident to housing 36, so, be placed in the radiocommunication module of putting on the platform 44 42 and only can receive next radio signals, and can not receive the radio signals that result in the multi-path interference by the inner surface institute indirect reference of housing 36 by 40 direct emissions of test antenna; At last, testboard 32 just can be by detecting via connecting radiocommunication module 42 that lead 46 transmitted according to its received test signal that radio signals produced, to judge whether radiocommunication module 42 is normally to receive radio signals.
See also Fig. 4, whether Fig. 4 simplifies functional block diagram for test macro 30 test radiocommunication modules 42 normally about the running that receives radio signals.Contrast in known technology, attenuator 34 function in the present invention is equal to the function of change transmission range r in known technology, thus, the problem that known technology faced-constantly changing radio signals testing apparatus 20 consumes L with the transmission range r of 18 of radiocommunication modules to measure corresponding to the transmission of different transmission range r, can be overcome easily by the mode that attenuator 34 changes pad values.
Whether normal process outlines as follows about the running of transmitting radio signal during as for test macro 30 test radiocommunication modules 42 distance test platforms 32 transmission range r, the frequency of the radio signals that assumed wireless electricity communication module 42 is launched is 2.5GHz, and transmission range is 350 meters, shown in B point among Fig. 1: testboard 32 produces a test signal, and will test signal and be sent to the radiocommunication module 42 that is placed on the storing platform 44 by connecting lead 46; Radiocommunication module 42 produces radio signals according to this test signal, and these radio signals are emitted to test antenna 40, similarly, because the setting of radio signals absorbing material 38, test antenna 40 only can receive by 42 radio signals of directly launching and coming of radiocommunication module, and can not receive the radio signals next by 36 indirect references of housing; Attenuator 34 is found out transmission consume L corresponding to transmission range r (350 meters) (received radio signals of attenuation test antenna 40 110dB) and according to this according to transmission range r (350 meters) in the shown transmission consume L-transmission range R graph of a relation in Fig. 1; Radio signals after 34 decay of test antenna 40 emission attenuators (100dB); Whether at last, testboard 32 just can be by detecting the radio signals that attenuator 36 is transmitted, are transmitting radio signals normally to judge radiocommunication module 42.
See also Fig. 5, whether Fig. 5 simplifies functional block diagram for test macro 30 test radiocommunication modules 42 normally about the running of transmitting radio signal.Similarly, the mode that changes pad value by attenuator 34 can overcome the shortcoming of known technology easily.
Because temperature and humidity in the environmental control 48 may command housings 36 keep constant, therefore, test macro 30 can repeatedly be tested radiocommunication module 42 or test other radiocommunication module based on identical environmental factor.
In preferred embodiment of the present invention, it is rotating putting platform 44, thus, put radio signals that angle acceptance test antenna 40 that thereon radiocommunication module 42 just can be different transmitted, and radio signals be emitted to test antenna 40, so that test macro 30 measures the operating state of radiocommunication modules 42 in different angles with different angles.
Please consult Fig. 3 again, test macro 30 also comprises one and is arranged in the housing 36 and is used for receiving the monitoring aerial 50 that is transmitted in the radio signals in the housing 36, one is connected in monitoring aerial 50 and is used for analyzing monitoring aerial 50 received radio signals whether operate normal spectrum analyzer 52 to differentiate test macro 30, one is used for producing the radio interference signal and this radio interference signal is emitted to radio interference signal generator 54 in the housing 36, and one be arranged in the housing 36 and be connected in radio interference signal generator 54 and be used for the radio interference signal that radio interference signal generator 54 is produced is emitted to potato masher antenna 56 in the housing 36, and radio interference signal generator 54 and potato masher antenna 56 are used for the radio interference signal that emulation test system 30 may be subjected to.
In preferred embodiment of the present invention, testboard 32 can produce identical radio signals, also can produce radio signals with different frequency, for example 2.5 or 5GHz, and the wavelength of the radio signals that the distance of 42 of test antenna 40 and radiocommunication modules is produced greater than testboard 32, for instance, if the frequency that radio signals had that testboard 32 is produced is 5GHz, then the distance of 42 of test antenna 40 and radiocommunication modules just must be at least 5 centimeters, if the frequency that radio signals had that produced of testboard 32 is 2.5GHz, then the distance of 42 of test antenna 40 and radiocommunication modules just must be at least 10 centimeters.
Compared to known technology, test macro of the present invention is apart from r, to overcome the trouble that changes the transmission range r of radio signals testing apparatus and tested radio signals intermodule in the known technology by the attenuator analogue transmission.In addition, because temperature in the environmental control 48 may command housings 36 and humidity keep constant, therefore, test macro 30 can repeatedly be tested radiocommunication module 42 or test other radiocommunication module based on identical environmental factor.At last, test macro of the present invention can make the engineering staff travel to and fro between between research department and test site with avoiding long drive.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (13)
1. radiocommunication module test macro, it comprises:
One testboard is used for producing and receiving radio signals and a test signal;
One attenuator is electrically connected on this testboard, is used for the radio signals that this testboard produced and received of decaying;
One housing is used for isolating radio signals;
One deck radio signals absorbing material is covered in this housing, is used for being absorbed into the radio signals that are incident upon on this housing;
One test antenna is arranged in this housing and is electrically connected on this attenuator, is used for launching radio signals and reception radio signals after this attenuator is decayed; And
One radiocommunication module is arranged in this housing, is used for receiving the radio signals that this test antenna transmits and produces a test signal according to this, and receive by test signal that this testboard transmitted and launch radio signals according to this to this test antenna.
2. test macro as claimed in claim 1, it also comprises one and connects lead, and the one end is connected in this radiocommunication module, and the other end is connected in this testboard, is used for transmitting the test signal.
3. test macro as claimed in claim 1, it also comprises one and puts platform, is used for putting this radiocommunication module.
4. test macro as claimed in claim 3, it is rotatable wherein should to put platform, can different angles receives radio signals that this test antenna transmits, and with different angles radio signals is emitted to this test antenna so that put thereon radiocommunication module.
5. test macro as claimed in claim 1, it also comprises a monitoring aerial, is arranged in this housing, is used for receiving the radio signals that are transmitted in this housing.
6. test macro as claimed in claim 5, whether it also comprises a spectrum analyzer, is connected in this monitoring aerial, is used for analyzing the received radio signals of this monitoring aerial, operate normally to differentiate this test macro.
7. test macro as claimed in claim 1, it also comprises an environmental control, is used for controlling temperature and humidity in this housing.
8. test macro as claimed in claim 1, it also comprises a radio interference signal generator, is used for producing the radio interference signal, and this radio interference signal is emitted in this housing.
9. test macro as claimed in claim 8, it also comprises a potato masher antenna, is arranged in this housing and is connected in this radio interference signal generator, is used for the radio interference signal that this radio interference signal generator is produced is emitted in this housing.
10. test macro as claimed in claim 1, wherein this testboard can produce identical radio signals.
11. test macro as claimed in claim 1, wherein this testboard can produce the radio signals with different frequency.
12. test macro as claimed in claim 1, wherein this testboard can produce identical test signal.
13. test macro as claimed in claim 1, wherein the distance between this test antenna and this radiocommunication module is greater than the wavelength of the radio signals that this testboard produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100038645A CN1652488A (en) | 2004-02-06 | 2004-02-06 | Radio Communication Module Test System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004100038645A CN1652488A (en) | 2004-02-06 | 2004-02-06 | Radio Communication Module Test System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1652488A true CN1652488A (en) | 2005-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100038645A Pending CN1652488A (en) | 2004-02-06 | 2004-02-06 | Radio Communication Module Test System |
Country Status (1)
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|---|---|
| CN (1) | CN1652488A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857309A (en) * | 2012-07-27 | 2013-01-02 | 中兴通讯股份有限公司 | Test method and apparatus of radio frequency index of active antenna system |
| CN110031694A (en) * | 2018-01-10 | 2019-07-19 | 罗德施瓦兹两合股份有限公司 | For measuring the wireless test system and method for the wireless performance of equipment under test |
-
2004
- 2004-02-06 CN CNA2004100038645A patent/CN1652488A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857309A (en) * | 2012-07-27 | 2013-01-02 | 中兴通讯股份有限公司 | Test method and apparatus of radio frequency index of active antenna system |
| CN102857309B (en) * | 2012-07-27 | 2016-09-28 | 中兴通讯股份有限公司 | The method of testing of a kind of radio frequency index of active antenna system and device |
| CN110031694A (en) * | 2018-01-10 | 2019-07-19 | 罗德施瓦兹两合股份有限公司 | For measuring the wireless test system and method for the wireless performance of equipment under test |
| CN110031694B (en) * | 2018-01-10 | 2021-09-14 | 罗德施瓦兹两合股份有限公司 | Wireless test system and method for measuring wireless performance of device under test |
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Open date: 20050810 |