CN103188022A - Antenna correlation testing method and system - Google Patents
Antenna correlation testing method and system Download PDFInfo
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- CN103188022A CN103188022A CN2011104611335A CN201110461133A CN103188022A CN 103188022 A CN103188022 A CN 103188022A CN 2011104611335 A CN2011104611335 A CN 2011104611335A CN 201110461133 A CN201110461133 A CN 201110461133A CN 103188022 A CN103188022 A CN 103188022A
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Abstract
The invention discloses an antenna correlation testing method and an antenna correlation testing system. The system comprises a base station simulator, a tested terminal, testing equipment and control equipment, wherein the base station simulator is used for configuring testing parameters for a plurality of antennae of the tested terminal and informing the tested terminal of the testing parameters; the tested terminal is used for receiving the testing parameters from the base station simulator and transmitting a radio frequency signal on each antenna by utilizing the testing parameter corresponding to each antenna; the testing equipment is used for receiving the radio frequency signal which is transmitted on each antenna by the tested terminal and measuring amplitude and/or phase position of the radio frequency signal which is transmitted on each antenna; and the control equipment is used for obtaining the measuring result of the amplitude and/or the phase position from the testing equipment and calculating the antenna correlation according to the measuring result of the amplitude and/or the phase position. In the embodiment of the invention, the measuring accuracy and the testing efficiency can be improved greatly.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method of testing and system of Antenna Correlation.
Background technology
The antenna system of MIMO (Multiple-Input Multiple-Output, multiple-input and multiple-output) system requirements base station and terminal is made of a plurality of antennas; And the MIMO performance of terminal determines that by the correlation (being Antenna Correlation) of many antennas Antenna Correlation is relevant with terminal wireless environment of living in the design of terminal antenna.
For Antenna Correlation, existing method of testing comprises: (1) known standard antenna emission echo signal receives this signal by dut terminal, and the signal that receives is transferred to tester, by processes such as measurement, record, calculating, obtain the coefficient correlation index of Antenna Correlation; (2) in the darkroom, construct a certain specific wireless environment, and then the Antenna Correlation of actual test dut terminal.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem:
(1) dut terminal need be transformed; In the process of finishing the Antenna Correlation test, need dut terminal to possess functions such as transmission, measurement, record, need inevitably dut terminal is transformed.
(2) dut terminal is long as the testing time of receiving equipment, accuracy is low; Dut terminal is generally the test of dut terminal receiving sensitivity as the test of receiving equipment, minimum incoming level when the method for testing of receiving sensitivity reaches a certain error rate for measure dut terminal under certain confidence level situation, this method of testing causes the testing time of receiving sensitivity longer, and testing efficiency is lower.
(3) the specific wireless environment of structure can only unilateral investigation Antenna Correlation; Its concrete layout to test environment has been equivalent to fix the partial parameters in the wireless channel, has reduced the flexibility of test macro, can't estimate the Antenna Correlation of dut terminal comprehensively, exactly.
Summary of the invention
The embodiment of the invention provides a kind of method of testing and system of Antenna Correlation, to improve test accuracy and testing efficiency.
In order to achieve the above object, the embodiment of the invention provides a kind of test macro, comprising:
Base station simulator is used to a plurality of antenna configuration testing parameters of dut terminal, and described test parameter is notified to described dut terminal;
Dut terminal is used for receiving the test parameter from described base station simulator, and utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna;
Measuring equipment be used for to receive the radiofrequency signal that described dut terminal sends at each antenna, and amplitude and/or the phase place of the radiofrequency signal that sends on each antenna are measured;
Control appliance is used for from the measurement result of the described measuring equipment described amplitude of acquisition and/or phase place, and calculates Antenna Correlation according to the measurement result of described amplitude and/or phase place.
The embodiment of the invention provides a kind of method of testing of Antenna Correlation, comprising:
Base station simulator is a plurality of antenna configuration testing parameters of dut terminal, and described test parameter is notified to described dut terminal;
Described dut terminal receives the test parameter from described base station simulator, and utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna;
Measuring equipment receives the radiofrequency signal that described dut terminal sends at each antenna, and amplitude and/or the phase place of the radiofrequency signal that sends on each antenna are measured;
Control appliance obtains the measurement result of described amplitude and/or phase place from described measuring equipment, and calculates Antenna Correlation according to the measurement result of described amplitude and/or phase place.
Compared with prior art, the embodiment of the invention has the following advantages at least: by dut terminal is measured through the radiofrequency signal that each antenna sends respectively, and utilize this measurement result to calculate Antenna Correlation, do not need dut terminal is transformed, and can weigh correlation index between the many antennas of dut terminal comprehensive, complete, exactly, and can improve accuracy of measurement and testing efficiency greatly.
Description of drawings
In order to be illustrated more clearly in technical scheme of the present invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of test macro of providing of the embodiment of the invention one;
Fig. 2 is the method for testing schematic flow sheet of a kind of Antenna Correlation of providing of the embodiment of the invention two.
Embodiment
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
It is a kind of for the test macro that Antenna Correlation is tested that the embodiment of the invention one provides, and as shown in Figure 1, this test macro comprises at least: base station simulator 11, dut terminal 12, measuring equipment 13 and control appliance 14; Above-mentioned each equipment is functional unit, can further split or merge, and for example measuring equipment 13 and control appliance 14 can be deployed on the same measurement control appliance, gives unnecessary details no longer in detail in the embodiment of the invention.
In the embodiment of the invention, dut terminal 12 is positioned at full electric wave OTA darkroom; Base station simulator 11, measuring equipment 13 and control appliance 14 are positioned at outside the full electric wave OTA darkroom; And it is (concrete to set up communication link by the communication antenna that is positioned at full electric wave OTA darkroom between dut terminal 12 and the base station simulator 11, communication antenna is positioned at full electric wave OTA darkroom, be connected with base station simulator 11 outside the full electric wave OTA darkroom by radio frequency cable, and set up communication link by eating dishes without rice or wine with dut terminal 12); Measuring equipment 13 is connected (concrete, reception antenna is positioned at full electric wave OTA darkroom, is connected with measuring equipment 13 outside the full electric wave OTA darkroom by radio frequency cable) with the reception antenna that is positioned at full electric wave OTA darkroom.
Based on above-mentioned networking situation, the function of each equipment in this test macro is as follows:
Base station simulator 11 is used to a plurality of antenna configuration testing parameters of dut terminal 12, and test parameter is notified to dut terminal 12.
Concrete, base station simulator 11 specifically is used for establishing a communications link by communication antenna and dut terminal 12, and by this communication antenna test parameter is notified to dut terminal 12.
In the embodiment of the invention, this test parameter includes but not limited to operating state and the transmitting power of each antenna correspondence, and the operating state of each antenna correspondence is opening or closed condition; And base station simulator 11 is concrete to be used for disposing according to actual needs parameters such as the corresponding operating state of each antenna on the dut terminal 12, transmitting power.
Dut terminal 12 is used for receiving the test parameter from base station simulator 11, and utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna.
Concrete, when the operating state of antenna correspondence was opening, dut terminal 12 specifically was used for sending radiofrequency signal by the transmitting power of antenna correspondence at antenna.
In the embodiment of the invention, dut terminal 12 is for possessing the wireless device (many antennas can be defined as antenna 1, antenna 2, antenna 3...... antenna N respectively) of multiaerial system, and because can setting up with base station simulator 11, dut terminal 12 communicates by letter, and set up with measuring equipment 13 and to communicate by letter, therefore dut terminal 12 can also be used for receiving the test parameter from base station simulator 11, and the radiofrequency signal that sends at each antenna of the test parameter that utilizes each antenna correspondence can be measured equipment 13 receive by reception antenna.
Measuring equipment 13, be used for receiving the radiofrequency signal that dut terminal 12 sends at each antenna, amplitude and/or phase place to the radiofrequency signal that sends on each antenna measured (measuring equipment 13 inside can arrange measuring instrument, and measuring instrument is used for amplitude and/or the phase place of radiofrequency signal are measured).
Measuring equipment 13 is concrete for receiving the radiofrequency signal that dut terminal 12 sends by reception antenna on each antenna.
Control appliance 14 is used for the measurement result of from the measuring equipment 13 acquisition amplitude and/or phase place, and calculates Antenna Correlation according to the measurement result of amplitude and/or phase place.
Wherein, control appliance 14 is used for receiving from the amplitude of measuring equipment 13 and/or the measurement result of phase place, and preserves the measurement result of this amplitude and/or phase place; Afterwards, control appliance 14 also is used for measurement result is carried out format analysis processing, again in conjunction with one or more space channel model parameters, and utilizes formula of correlation coefficient to calculate correlation between the antenna.
Concrete, based on the measurement result of amplitude and/or phase place, control appliance 14 is used for measurement result is carried out link compensation, afterwards with any two the antenna (a after overcompensation, b) total data (being measurement result, is that example describes with two antennas) substitution coefficient correlation computing formula:
With above-mentioned formula discretization, obtain:
The result who is calculated by above-mentioned formula is the coefficient correlation of correlation between dut terminal 12 antenna a and the antenna b; Wherein, and P θ (m, n) (m n) is determined by the space channel model of standardization body's definition with P φ; The implication of X, θ, E, m, n, P, φ is same as the prior art, repeats no more in the embodiment of the invention.
Certainly, be not limited to use above-mentioned formula to calculate Antenna Correlation in actual applications, any theory and formula that carries out relevance evaluation all can be applicable to the embodiment of the invention, do not repeat them here.
In the embodiment of the invention, control appliance 14 also is used for according to test script other equipment except dut terminal 12 (as base station simulator 11, measuring equipment 13) being carried out controlling synchronously with accurately.
Concrete, control appliance 14 is used to indicate base station simulator 11 test parameter is notified to dut terminal 12; And, be used to indicate measuring equipment 13 and receive the radiofrequency signal that dut terminal 12 sends at each antenna.
It should be noted that in order to obtain comprehensive, the complete information of dut terminal 12 multiaerial systems, need in full electric wave OTA darkroom, carry out the test data collection work of three-dimensional to dut terminal 12.Therefore, as shown in Figure 1, this test macro also comprises the turntable (for three-dimensional turntable) that is positioned at the turntable controller 15 outside the full electric wave OTA darkroom and is positioned at full electric wave OTA darkroom, and dut terminal 12 is positioned on the turntable.
Based on this, control appliance 14 also is used to indicate turntable controller 15 control turntables and arrives assigned address; Control turntable by turntable controller 15 according to the indication of control appliance 14 and arrive assigned address, and utilize the test parameter of each antenna correspondence to send radiofrequency signal at each antenna at assigned address by the dut terminal 12 that is positioned on the turntable.
Further, in order to realize controlling with accurate synchronously, control appliance 14 is used to indicate turntable controller 15 control turntables and arrives assigned address, by the indication control turntable arrival assigned address of turntable controller 15 according to control appliance 14; And be used to indicate base station simulator 11 test parameter is notified to dut terminal 12, by base station simulator 11 test parameter is notified to dut terminal 12 (requiring dut terminal 12 to send radiofrequency signal with maximum transmission power all the time); And, be used to indicate measuring equipment 13 and receive the radiofrequency signal that dut terminal 12 sends at each antenna, receive dut terminal 12 in the radiofrequency signal that each antenna sends by measuring equipment 13 by reception antenna, the measurement of the line amplitude of going forward side by side and/or phase place.
In the embodiment of the invention, a plurality of antennas at dut terminal 12, then concrete: base station simulator 11 is used for the following hardware switching that sends instructions or pass through dut terminal 12, dut terminal 12 is configured such that with antenna 1 as transmitting antenna, close other antenna of dut terminal 12 simultaneously, by said process, obtain the amplitude of antenna 1 and/or the measurement result of phase place by control appliance 14; Afterwards, base station simulator 11 is used for the following hardware switching that sends instructions or pass through dut terminal 12, dut terminal 12 is configured such that (2≤n≤N) as transmitting antenna with antenna n, close other antenna of dut terminal 12 simultaneously, pass through said process, obtain the amplitude of antenna n and/or the measurement result of phase place by control appliance 14, until the test of finishing whole N root antennas; Afterwards, control appliance 14 can be used for calculating Antenna Correlation according to the amplitude of each antenna and/or the measurement result of phase place.
In the embodiment of the invention, at a plurality of measuring positions of dut terminal 12, for investigate whole radiofrequency signals of dut terminal 12 emissions comprehensively, need in three dimensions, carry out collection and the measurement of dut terminal 12 radiofrequency signals; Concrete, under being used for, control appliance 14 sends instructions to turntable controller 15, and turntable controller 15 control turntables rotate to the next position, and obtain the amplitude of each antenna and/or the measurement result of phase place by control appliance 14 on this position; Until finishing the position that all need be tested, namely finish and gather the emission characteristics of dut terminal 12 in three dimensions, thereby make that control appliance 14 can be used for calculating Antenna Correlation according to each antenna measurement result of corresponding amplitude and/or phase place on each position.
In sum, in the embodiment of the invention, by dut terminal is measured through the radiofrequency signal that each antenna sends respectively, and utilize this measurement result to calculate Antenna Correlation, do not need dut terminal is transformed, and can weigh correlation index between the many antennas of dut terminal comprehensive, complete, exactly, and can improve accuracy of measurement and testing efficiency greatly.
Concrete, in the embodiment of the invention with dut terminal as transmitter, dut terminal only needs to set up communication link with base station simulator, carrying out proper communication gets final product, therefore in carrying out test process, do not need dut terminal transformed and (do not need dut terminal is carried out the transformation of chip, radio frequency etc., satisfying the terminal that possesses many antennas emission function of communication protocol requirement all can use), guarantee precision of test result and fairness, can finish the calculating of correlation between each antenna of multi-antenna terminal accurately and efficiently.
The correlation test result that the embodiment of the invention proposes is not only applicable to the correlation of the up emission of terminal and investigates, and the correlation that also can be used for the descending reception of terminal is investigated; And dut terminal is as transmitter (namely finishing test) under emission state, with respect to dut terminal as receiving equipment, can significantly improve accuracy and the testing efficiency of measurement, namely with the dut terminal receiving sensitivity that records compare as the coefficient correlation calculating parameter, can improve accuracy of measurement and testing efficiency greatly.
Do not need in the embodiment of the invention to construct specific wireless environment, and be to use the space channel model of standardization body's definition as the parameter of correlation calculations, so method of testing more accurately, flexibly.
Embodiment two
Based on the inventive concept same with said system, a kind of method of testing of Antenna Correlation also is provided in the embodiment of the invention two, be used for Antenna Correlation is tested, this method is applied to comprise at least in the test macro of base station simulator, dut terminal, measuring equipment and control appliance, above-mentioned each equipment is functional unit, can further split or merge, for example measuring equipment and control appliance can be deployed on the same measurement control appliance, repeat no more in the embodiment of the invention.
In the embodiment of the invention, dut terminal is positioned at full electric wave OTA darkroom; Base station simulator, measuring equipment and control appliance are positioned at outside the full electric wave OTA darkroom; And it is (concrete to set up communication link by the communication antenna that is positioned at full electric wave OTA darkroom between dut terminal and the base station simulator, communication antenna is positioned at full electric wave OTA darkroom, be connected with base station simulator outside the full electric wave OTA darkroom by radio frequency cable, and set up communication link by eating dishes without rice or wine with dut terminal); Measuring equipment is connected (concrete, reception antenna is positioned at full electric wave OTA darkroom, is connected with measuring equipment outside the full electric wave OTA darkroom by radio frequency cable) with the reception antenna that is positioned at full electric wave OTA darkroom.
Based on above-mentioned networking situation, as shown in Figure 2, this method may further comprise the steps:
Concrete, base station simulator can establish a communications link by communication antenna and dut terminal, and by this communication antenna test parameter is notified to dut terminal.
In the embodiment of the invention, this test parameter includes but not limited to operating state and the transmitting power of each antenna correspondence, and the operating state of each antenna correspondence is opening or closed condition; And base station simulator can dispose parameters such as the corresponding operating state of each antenna, transmitting power of dut terminal according to actual needs.
It should be noted that before carrying out this step and carry out before the measuring process, need the initialization test system, comprise the normal startup of base station simulator and measuring equipment and correctly dispose process such as initial parameter; After finishing test preparation, begin to test, and carry out this step.
Concrete, when the operating state of antenna correspondence was opening, dut terminal sent radiofrequency signal by the transmitting power of antenna correspondence at antenna.
In the embodiment of the invention, dut terminal is the wireless device (many antennas can be defined as antenna 1, antenna 2, antenna 3...... antenna N respectively) that possesses multiaerial system, and because can setting up with base station simulator, dut terminal communicates by letter, and set up with measuring equipment and to communicate by letter, therefore dut terminal can receive the test parameter from base station simulator, and utilizes the test parameter of each antenna correspondence can to receive by reception antenna by measured equipment in the radiofrequency signal that each antenna sends.
Concrete, measuring equipment can receive the radiofrequency signal that dut terminal sends by reception antenna on each antenna.
The measurement result of step 204, control appliance acquisition amplitude and/or phase place from the measuring equipment, and calculate Antenna Correlation according to the measurement result of amplitude and/or phase place.
Wherein, control appliance can receive from the amplitude of measuring equipment and/or the measurement result of phase place, and preserves the measurement result of this amplitude and/or phase place; Afterwards, control appliance can carry out format analysis processing to measurement result, again in conjunction with one or more space channel model parameters, and utilizes formula of correlation coefficient to calculate correlation between the antenna.
Concrete, based on the measurement result of amplitude and/or phase place, control appliance at first carries out link compensation with measurement result, afterwards with any two the antenna (a after overcompensation, b) total data (being measurement result, is that example describes with two antennas) substitution coefficient correlation computing formula:
With above-mentioned formula discretization, obtain:
The result who is calculated by above-mentioned formula is the coefficient correlation of correlation between dut terminal antenna a and the antenna b; Wherein, and P θ (m, n) (m n) is determined by the space channel model of standardization body's definition with P φ; The implication of X, θ, E, m, n, P, φ is same as the prior art, repeats no more in the embodiment of the invention; Certainly, be not limited to use above-mentioned formula to calculate Antenna Correlation in actual applications, any theory and formula that carries out relevance evaluation all can be applicable to the embodiment of the invention, do not repeat them here.
In the embodiment of the invention, control appliance can also carry out controlling synchronously with accurately to other equipment except dut terminal (as base station simulator, measuring equipment) according to test script.
Concrete, control appliance indication base station simulator is notified to dut terminal with test parameter, according to the indication of control appliance test parameter is notified to dut terminal by base station simulator; And indication measurement equipment receives the radiofrequency signal that dut terminal sends at each antenna, receives the radiofrequency signal that dut terminal sends at each antenna by measuring equipment according to the indication of control appliance.
It should be noted that in order to obtain comprehensive, the complete information of dut terminal multiaerial system, need in full electric wave OTA darkroom, carry out the test data collection work of three-dimensional to dut terminal.Therefore, this test macro also comprises the turntable (for three-dimensional turntable) that is positioned at the turntable controller outside the full electric wave OTA darkroom and is positioned at full electric wave OTA darkroom, and dut terminal is positioned on the turntable.
Based on this, control appliance also needs to indicate turntable controller control turntable to arrive assigned address, control turntable by turntable controller according to the indication of control appliance and arrive assigned address, and utilize the test parameter of each antenna correspondence to send radiofrequency signal at each antenna at assigned address by the dut terminal that is positioned on the turntable.
Further, in order to realize controlling synchronously with accurately, control appliance indication turntable controller control turntable arrives assigned address, by the indication control turntable arrival assigned address of turntable controller according to control appliance; And indicate base station simulator that test parameter is notified to dut terminal, by base station simulator test parameter is notified to dut terminal (requiring dut terminal to send radiofrequency signal with maximum transmission power all the time); And indication measurement equipment receives the radiofrequency signal that dut terminal sends at each antenna, receives dut terminal in the radiofrequency signal that each antenna sends by measuring equipment by reception antenna, the measurement of the line amplitude of going forward side by side and/or phase place.
In the embodiment of the invention, a plurality of antennas at dut terminal, then concrete: as to send instructions under the base station simulator or the hardware by dut terminal switches, dut terminal is configured such that with antenna 1 as transmitting antenna, close other antenna of dut terminal simultaneously, by said process, obtain the amplitude of antenna 1 and/or the measurement result of phase place by control appliance; Afterwards, send instructions under the base station simulator or the hardware by dut terminal switches, dut terminal is configured such that (2≤n≤N) as transmitting antenna with antenna n, close other antenna of dut terminal simultaneously, pass through said process, obtain the amplitude of antenna n and/or the measurement result of phase place by control appliance, until the test of finishing whole N root antennas; Afterwards, control appliance can calculate Antenna Correlation according to the amplitude of each antenna and/or the measurement result of phase place.
In the embodiment of the invention, at a plurality of measuring positions of dut terminal, for investigate whole radiofrequency signals of dut terminal emission comprehensively, need in three dimensions, carry out collection and the measurement of dut terminal radiofrequency signal; Concrete, sending instructions to turntable controller under the control appliance, turntable controller control turntable rotates to the next position, and obtains the amplitude of each antenna and/or the measurement result of phase place by control appliance on this position; Until finishing the position that all need be tested, namely finish and gather the emission characteristics of dut terminal in three dimensions, thereby make control appliance to calculate Antenna Correlation according to each antenna measurement result of corresponding amplitude and/or phase place on each position.
In sum, in the embodiment of the invention, by dut terminal is measured through the radiofrequency signal that each antenna sends respectively, and utilize this measurement result to calculate Antenna Correlation, do not need dut terminal is transformed, and can weigh correlation index between the many antennas of dut terminal comprehensive, complete, exactly, and can improve accuracy of measurement and testing efficiency greatly.
Concrete, in the embodiment of the invention with dut terminal as transmitter, dut terminal only needs to set up communication link with base station simulator, carrying out proper communication gets final product, therefore in carrying out test process, do not need dut terminal transformed and (do not need dut terminal is carried out the transformation of chip, radio frequency etc., satisfying the terminal that possesses many antennas emission function of communication protocol requirement all can use), guarantee precision of test result and fairness, can finish the calculating of correlation between each antenna of multi-antenna terminal accurately and efficiently.
The correlation test result that the embodiment of the invention proposes is not only applicable to the correlation of the up emission of terminal and investigates, and the correlation that also can be used for the descending reception of terminal is investigated; And dut terminal is as transmitter (namely finishing test) under emission state, with respect to dut terminal as receiving equipment, can significantly improve accuracy and the testing efficiency of measurement, namely with the dut terminal receiving sensitivity that records compare as the coefficient correlation calculating parameter, can improve accuracy of measurement and testing efficiency greatly.
Do not need in the embodiment of the invention to construct specific wireless environment, and be to use the space channel model of standardization body's definition as the parameter of correlation calculations, so method of testing more accurately, flexibly.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (12)
1. a test macro is characterized in that, comprising:
Base station simulator is used to a plurality of antenna configuration testing parameters of dut terminal, and described test parameter is notified to described dut terminal;
Dut terminal is used for receiving the test parameter from described base station simulator, and utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna;
Measuring equipment be used for to receive the radiofrequency signal that described dut terminal sends at each antenna, and amplitude and/or the phase place of the radiofrequency signal that sends on each antenna are measured;
Control appliance is used for from the measurement result of the described measuring equipment described amplitude of acquisition and/or phase place, and calculates Antenna Correlation according to the measurement result of described amplitude and/or phase place.
2. the system as claimed in claim 1 is characterized in that, described dut terminal is positioned at full electric wave OTA darkroom;
Described base station simulator, described measuring equipment and described control appliance are positioned at outside the described full electric wave OTA darkroom;
Set up communication link by the communication antenna that is positioned at described full electric wave OTA darkroom between described dut terminal and the described base station simulator;
Described measuring equipment is connected with the reception antenna that is positioned at described full electric wave OTA darkroom.
3. system as claimed in claim 2 is characterized in that,
Described base station simulator, concrete being used for is notified to described dut terminal by described communication antenna with described test parameter;
Described measuring equipment, concrete being used for receives the radiofrequency signal that described dut terminal sends at each antenna by described reception antenna.
4. the system as claimed in claim 1 is characterized in that, described test parameter comprises operating state and the transmitting power of each antenna correspondence, and the operating state of each antenna correspondence is opening or closed condition;
Described dut terminal, concrete being used for when the operating state of antenna correspondence is opening, the transmitting power by described antenna correspondence sends radiofrequency signal at described antenna.
5. the system as claimed in claim 1 is characterized in that,
Described control appliance also is used to indicate described base station simulator described test parameter is notified to described dut terminal; And,
Indicate described measuring equipment to receive the radiofrequency signal that described dut terminal sends at each antenna.
6. as claim 1 or 5 described systems, it is characterized in that, also comprise the turntable that is positioned at the turntable controller outside the described full electric wave OTA darkroom and is positioned at described full electric wave OTA darkroom, and described dut terminal is positioned on the described turntable;
Described control appliance also is used to indicate described turntable controller and controls described turntable arrival assigned address;
Described turntable controller is used for controlling described turntable according to described indication and arrives assigned address, utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna at described assigned address by the described dut terminal that is positioned on the described turntable.
7. the method for testing of an Antenna Correlation is characterized in that, comprising:
Base station simulator is a plurality of antenna configuration testing parameters of dut terminal, and described test parameter is notified to described dut terminal;
Described dut terminal receives the test parameter from described base station simulator, and utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna;
Measuring equipment receives the radiofrequency signal that described dut terminal sends at each antenna, and amplitude and/or the phase place of the radiofrequency signal that sends on each antenna are measured;
Control appliance obtains the measurement result of described amplitude and/or phase place from described measuring equipment, and calculates Antenna Correlation according to the measurement result of described amplitude and/or phase place.
8. method as claimed in claim 7 is characterized in that, described dut terminal is positioned at full electric wave OTA darkroom;
Described base station simulator, described measuring equipment and described control appliance are positioned at outside the described full electric wave OTA darkroom;
Set up communication link by the communication antenna that is positioned at described full electric wave OTA darkroom between described dut terminal and the described base station simulator;
Described measuring equipment is connected with the reception antenna that is positioned at described full electric wave OTA darkroom.
9. method as claimed in claim 8 is characterized in that,
Described base station simulator is notified to described dut terminal with described test parameter, comprising: described base station simulator is notified to described dut terminal by described communication antenna with described test parameter;
Described measuring equipment receives described dut terminal in the radiofrequency signal that each antenna sends, and comprising: described measuring equipment receives the radiofrequency signal that described dut terminal sends at each antenna by described reception antenna.
10. method as claimed in claim 7 is characterized in that, described test parameter comprises operating state and the transmitting power of each antenna correspondence, and the operating state of each antenna correspondence is opening or closed condition;
Described dut terminal utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna, comprise: when described dut terminal was opening in the operating state of antenna correspondence, the transmitting power by described antenna correspondence sent radiofrequency signal at described antenna.
11. method as claimed in claim 7 is characterized in that, described method further comprises:
Described control appliance indicates described base station simulator that described test parameter is notified to described dut terminal, according to the indication of described control appliance described test parameter is notified to described dut terminal by described base station simulator; And,
Described control appliance indicates described measuring equipment to receive the radiofrequency signal that described dut terminal sends at each antenna, receives the radiofrequency signal that described dut terminal sends at each antenna by described measuring equipment according to the indication of described control appliance.
12. as claim 7 or 11 described methods, it is characterized in that described method further comprises:
Described control appliance indication turntable controller control turntable arrives assigned address, and described turntable controller is positioned at outside the described full electric wave OTA darkroom, and described turntable is positioned at described full electric wave OTA darkroom, and described dut terminal is positioned on the described turntable;
Described turntable controller is controlled described turntable according to the indication of described control appliance and is arrived assigned address, utilizes the test parameter of each antenna correspondence to send radiofrequency signal at each antenna at described assigned address by the described dut terminal that is positioned on the described turntable.
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| CN201110461133.5A CN103188022B (en) | 2011-12-30 | 2011-12-30 | A kind of method of testing of Antenna Correlation and system |
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| CN201110461133.5A CN103188022B (en) | 2011-12-30 | 2011-12-30 | A kind of method of testing of Antenna Correlation and system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN104215855A (en) * | 2014-09-09 | 2014-12-17 | 深圳市佳沃通信技术有限公司 | Measuring distance adjustable OTA (over-the-air) test darkroom |
| CN105743553A (en) * | 2016-01-26 | 2016-07-06 | 北京邮电大学 | Uplink performance test system and method for multi-antenna mobile terminal |
| CN105842547A (en) * | 2015-01-30 | 2016-08-10 | 罗德施瓦兹两合股份有限公司 | Measuring device, system and method for wirelessly measuring radiation patterns |
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| CN113109634A (en) * | 2021-05-07 | 2021-07-13 | 北京和德宇航技术有限公司 | Antenna test method, device, terminal equipment, antenna test system and medium |
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| CN103414526A (en) * | 2013-07-24 | 2013-11-27 | 福建星网锐捷通讯股份有限公司 | Test system and test method of radio frequency identification index |
| CN104215855A (en) * | 2014-09-09 | 2014-12-17 | 深圳市佳沃通信技术有限公司 | Measuring distance adjustable OTA (over-the-air) test darkroom |
| CN105842547A (en) * | 2015-01-30 | 2016-08-10 | 罗德施瓦兹两合股份有限公司 | Measuring device, system and method for wirelessly measuring radiation patterns |
| WO2016169001A1 (en) * | 2015-04-21 | 2016-10-27 | 陈奕铭 | Miniaturized ota test system having plurality of probes |
| CN105743553A (en) * | 2016-01-26 | 2016-07-06 | 北京邮电大学 | Uplink performance test system and method for multi-antenna mobile terminal |
| CN105933075A (en) * | 2016-06-21 | 2016-09-07 | 工业和信息化部电信研究院 | Terminal testing system and method |
| CN108111232A (en) * | 2018-03-01 | 2018-06-01 | 上海鸿洛通信电子有限公司 | Test darkroom and test system |
| CN108111232B (en) * | 2018-03-01 | 2023-06-20 | 上海鸿洛通信电子有限公司 | Test darkroom and test system |
| CN108802506A (en) * | 2018-06-20 | 2018-11-13 | Oppo广东移动通信有限公司 | The Antenna testing system and test method of terminal device |
| CN111585668A (en) * | 2019-02-19 | 2020-08-25 | 罗德施瓦兹两合股份有限公司 | Method for carrying out a two-step measurement of radiation and measuring device |
| CN111585668B (en) * | 2019-02-19 | 2022-11-18 | 罗德施瓦兹两合股份有限公司 | Method for carrying out a two-step measurement of radiation and measuring device |
| WO2022033404A1 (en) * | 2020-08-10 | 2022-02-17 | 展讯通信（上海）有限公司 | Antenna test method and device, and storage medium |
| CN113109634A (en) * | 2021-05-07 | 2021-07-13 | 北京和德宇航技术有限公司 | Antenna test method, device, terminal equipment, antenna test system and medium |
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