CN103428746A - Space performance verification method and system of multi-antenna device - Google Patents
Space performance verification method and system of multi-antenna device Download PDFInfo
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Abstract
The invention discloses a space performance verification method of a multi-antenna device. The space performance verification method of the multi-antenna device comprises for transmission impact factors of a system, inputting information to be tested and reference information of the first transmission impact factor of the transmission impact factors of the system into the system, and inputting reference information of the other transmission impact factors into the system; obtaining a first test result according to the information to be tested of the first transmission impact factor and the reference information of the other transmission impact factors; obtaining a second test result according to the reference information of the first transmission impact factor and the reference information of the other transmission impact factors; verifying the performance of the current first transmission impact factor by means of the two test results. The invention further discloses a space performance verification system of the multi-antenna device. According to the technical scheme of the space performance verification method and system of the multi-antenna device, the flexible conversion of interfaces and multilevel multidirectional evaluation can be achieved, the accuracy of performance test results of the system can be improved, the improvement of design proposals or network optimization is facilitated, and the performance of the multi-antenna device is improved.
Description
Technical field
The present invention relates to wireless communication technology, particularly a kind of multi-antenna space performance verification method and system thereof.
Background technology
Single antenna OTA(Over the Air) test is as a kind of active test, it is mainly test free space in microwave dark room, total radiant power (the Total Radiated Power of terminal complete machine in three kinds of situations of headform and left and right ear, TRP) and total omnidirectional sensitivity (Total Isotropic Sensitivity, TIS) these two indexs, directly reflected the radiance performance of terminal complete machine on the three dimensions all directions, for quantitative analysis with optimize human body and provide foundation to the impact of terminal complete machine radiance etc., be subject to attention and the approval of terminal manufacturer.
Arrival along with the 4G epoch, multi-antenna technology is widely applied in all kinds of wireless communications products, because multi-antenna technology depends on complicated multipath channel to a great extent, the single antenna OTA method of testing in past can not meet the demand of many antennas radio frequency testing.
At present, the aerial test of multi-antenna, be under the environment of the OTA darkroom of many antennas, by the channel simulator module, terminal equipment (as mobile phone, antenna) tested, but can't be realized multi-antenna space performance is carried out to multi-level multi-faceted assessment.
Summary of the invention
(1) technical problem that will solve
The object of the invention is to provide a kind of multi-antenna space performance verification method, to realize that multi-antenna space performance is carried out to multi-level multi-faceted assessment; The present invention also provides a kind of multi-antenna space performance verification system of flexible configuration.
(2) technical scheme
In order to solve the problems of the technologies described above, on the one hand, the invention provides a kind of multi-antenna space performance verification method, the method comprises:
For system transmission factor of influence, by treating in measurement information and reference information input system of the first transmission factor of influence wherein, and by the reference information input system of other transmission factors of influence;
According to the reference information for the treatment of measurement information and described other transmission factors of influence of the first transmission factor of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the first test result;
According to the reference information of the first transmission factor of influence and the reference information of described other transmission factors of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the second test result;
Whether be less than preset range according to the difference of the second test result and the first test result, verify the performance of current the first transmission factor of influence.
Preferably, described the first transmission factor of influence is the communication link algorithm, and described other transmission factors of influence comprise channel model and terminal equipment;
The described reference information anolog base station for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence sends multiple signals and comprises: according to transmitting terminal communication link algorithm simulation to be measured base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize the reference channel model to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
Preferably, described the first transmission factor of influence is channel model, and described other transmission factors of influence comprise communication link algorithm and terminal equipment;
The described reference information anolog base station for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence sends multiple signals and comprises: according to transmitting terminal communication link algorithm simulation base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to be measured to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
Preferably, described the first transmission factor of influence is terminal equipment, and described other transmission factors of influence comprise communication link algorithm and channel model;
The described reference information anolog base station for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence sends multiple signals and comprises: according to transmitting terminal communication link algorithm simulation base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment to be measured according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
Preferably, described terminal equipment is terminal complete machine, antenna to be measured or terminal emulator.
On the other hand, the present invention also provides a kind of multi-antenna space performance verification system, and this system comprises: checking interface controller, acquisition module and authentication module as a result;
Described checking interface controller, for for system transmission factor of influence, by treating in measurement information and reference information input system of the first transmission factor of influence wherein, and by the reference information input system of other transmission factors of influence;
Described acquisition module as a result, for the reference information for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the first test result; And transmitting the reference information of factors of influence for the reference information according to the first transmission factor of influence and described other, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the second test result;
Whether described authentication module, be less than preset range for the difference according to the second test result and the first test result, verifies the performance of current the first transmission factor of influence.
Preferably, described acquisition module as a result comprises base station simulator, channel simulator and OTA darkroom disposal module;
Base station simulator, for according to transmitting terminal communication link algorithm to be measured or send multiple signals with reference to communication link algorithm simulation base station;
Channel simulator, for utilizing channel model to be measured or reference channel model, carry out after multipath is processed exporting the signal after declining to the multiple signals of simulating;
OTA darkroom disposal module, carry out the OTA darkroom disposal for the signal after utilizing terminal equipment to be measured or reference terminal equipment to decay, obtains test result.
Preferably, described OTA darkroom disposal module comprises: OTA darkroom, probe antenna, support platform and terminal equipment;
The OTA darkroom, provide the shielding environment for the signal to receiving;
Probe antenna, be transmitted into terminal equipment for the signal by after decay;
Support platform, for supporting terminal equipment, and provide corresponding communication interface;
Terminal equipment, for receiving the deamplification after darkroom disposal, obtain test result.
Preferably, described terminal equipment is terminal complete machine, antenna to be measured or terminal emulator.
(3) beneficial effect
A kind of multi-antenna space performance verification method provided by the present invention has the following advantages:
In order to verify multi-antenna space performance, for each the transmission factor of influence related in transmitting procedure, be set when to be measured, elect other transmission factors of influence as known reference value, use such a transmission factor of influence to be measured to add the model of other reference transmission factors of influence, the loading system simulation is the signals transmission of reality once, can obtain the performance of system in situation to be measured, again transmission factor of influence to be measured is converted to the model that the reference transmission factor of influence adds other reference transmission factors of influence afterwards, the loading system simulation is the signals transmission of reality once, can obtain the ideally performance of system, these two performances more can be determined to whether current transmission factor of influence to be measured meets performance requirement.Each transmission factor of influence is realized multi-level multi-faceted Performance Evaluation to multi-antenna multi-antenna space performance after all so carrying out.
The accompanying drawing explanation
Fig. 1 is a kind of multi-antenna of the present invention space performance verification method flow chart;
Fig. 2 is checking of the present invention communication link algorithm performance to be measured flow chart;
Fig. 3 is checking of the present invention channel model performance to be measured flow chart;
Fig. 4 is checking of the present invention terminal equipment performance to be measured flow chart;
Fig. 5 is a kind of multi-antenna of the present invention space performance verification system structural representation;
The test result module result schematic diagram that Fig. 6 is the embodiment of the present invention;
Fig. 7 is communication link algorithm interface schematic diagram of the present invention;
Fig. 8 is channel simulator interface schematic diagram of the present invention;
Fig. 9 is testing equipment interface schematic diagram of the present invention.
Embodiment
Below in conjunction with Figure of description and embodiment, the specific embodiment of the present invention is described in further detail.Following examples are only for the present invention is described, but are not used for limiting the scope of the invention.
In the present invention, the transmission factor of influence refers to involved various factors in transmitting procedure, such as, affect the communication link algorithm of transmission quality, the channel model adopted in transmitting procedure, transmit the terminal equipment related to.
Explanation based on above-mentioned, the embodiment of the present invention has proposed a kind of space performance test methods of multi-antenna, and with reference to figure 1, the method comprises the steps:
Step 101: for system transmission factor of influence, by treating in measurement information and reference information input system of the first transmission factor of influence wherein, and by the reference information input system of other transmission factors of influence;
Step 102: according to the reference information for the treatment of measurement information and described other transmission factors of influence of the first transmission factor of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the first test result;
Step 103: according to the reference information of the first transmission factor of influence and the reference information of described other transmission factors of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the second test result;
Step 104: whether be less than preset range according to the difference of the second test result and the first test result, verify the performance of current the first transmission factor of influence.
On the one hand, the embodiment of the present invention is transmitted factor of influence according to system, and what be written into respectively the first transmission factor of influence treats measurement information and reference information, realize the first transmission factor of influence corresponding treat the logic switching between measurement information and reference information.
On the other hand, the embodiment of the present invention is inputted the first different transmission factors of influence according to system, it treats that measurement information also correspondingly changes accordingly, has realized that different treating change between measurement information, thereby realizes the multi-level multi-faceted checking of multi-antenna space performance.
Another aspect, the embodiment of the present invention is treated measurement information and other transmission factor of influence reference information according to what be written into the first transmission factor of influence, or be written into the reference information of the first transmission factor of influence and other transmission factor of influence reference informations, send multiple signals by anolog base station, and the multiple signals of simulation are carried out to the multipath processing under the channel circumstance of emulation, and the signal after decline is processed under the environment of OTA darkroom, obtain corresponding test result, and compare its test result.The environmental simulation of the space performance verification of whole multi-antenna the true environment of multiaerial system, meet radiance test environment demand, improved the test result accuracy, be conducive to the Space Facilities performance is optimized to analysis, well designed or the network optimization, improve its performance.
Due to the first transmission factor of influence difference of system input, the implementation of the embodiment of the present invention comprises following three kinds of modes:
Mode one: when the first transmission factor of influence is the communication link algorithm, other transmission factors of influence comprise channel model and terminal equipment;
The described reference information anolog base station for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence sends multiple signals and comprises: according to transmitting terminal communication link algorithm simulation to be measured base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
Wherein, the measurement information for the treatment of of the first transmission factor of influence is the communication link algorithm parameter of inputting, channel model parameter and terminal equipment parameter that reference informations of other transmission factors of influence are input.
Mode two: when the first transmission factor of influence is channel model, other transmission factors of influence comprise communication link algorithm and terminal equipment;
The described reference information anolog base station for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence sends multiple signals and comprises: according to transmitting terminal communication link algorithm simulation base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to be measured to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
Wherein, the measurement information for the treatment of of the first transmission factor of influence is the channel model parameter of inputting, and the reference information of other parameter influence factors is communication link algorithm parameter and the terminal equipment parameter of input.
Mode three: when the first transmission factor of influence is terminal equipment, other transmission factors of influence comprise communication link algorithm and channel model;
The described reference information anolog base station for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence sends multiple signals and comprises: according to transmitting terminal communication link algorithm simulation base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment to be measured according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
Wherein, the measurement information for the treatment of of the first transmission factor of influence is the terminal equipment parameter of inputting, and the reference information of other parameter influence factors is communication link algorithm parameter and the channel model parameter of input.
Above-mentioned terminal equipment can be terminal complete machine, antenna to be measured or terminal emulator.
For above-mentioned three kinds of implementations, below introduce respectively its specific implementation process:
One, the impact of assessment different communication link algorithm on the multiaerial system performance, in conjunction with Fig. 2, introduce whole proof procedure in detail, and its process is as follows:
Step 201: by the parameter input communication LI(link interface) of communication link algorithm to be measured, with reference to the parameter input channel analog interface of channel model.
Wherein communication link interface comprises the communication link interface of base station simulator and the communication link interface of terminal emulator, and terminal emulator is by terminal equipment test interface loading system.
Step 202: according to communication link algorithm to be measured, anolog base station sends multiple signals.
Step 203: according to the reference channel model, under corresponding channel circumstance, multiple signals are being carried out to the multipath processing, the signal after the output decline is to probe antenna in the OTA darkroom.
Step 204: according to communication link algorithm to be measured, the multipath signal after the decay of pseudo-terminal reception probe antenna emission, obtain the first test result.
Step 205: according to reference communication link algorithm, anolog base station sends multiple signals.
Step 206: according to the reference channel model, under corresponding channel circumstance, multiple signals are being carried out to the multipath processing, the signal after the output decline is to probe antenna in the OTA darkroom.
Step 207: according to reference communication link algorithm, the multipath signal after the decay of pseudo-terminal reception probe antenna emission, obtain the second test result.
Step 208: whether be less than preset range according to the difference of the second test result and the first test result, verify the described performance of communication link to be measured.
According to above-mentioned the result, can be optimized analysis to communication link algorithm to be measured, further improve this communication link algorithm to be measured.
Two, the impact on the multiaerial system performance for the different channels model, with reference to figure 3, whole proof procedure is as follows:
Step 301: with reference to the parameter input communication LI(link interface) of communication link algorithm, by the parameter input channel analog interface of channel model to be measured.
Wherein communication link interface comprises the communication link interface of base station simulator and the communication link interface of terminal emulator, and terminal emulator is by terminal equipment test interface loading system.
Step 302: according to reference communication link algorithm, anolog base station sends multiple signals.
Step 303: according to channel model to be measured, under corresponding channel circumstance, multiple signals are being carried out to the multipath processing, the signal after the output decline is to probe antenna in the OTA darkroom.
Step 304: according to reference communication link algorithm, the multipath signal after the decay of pseudo-terminal reception probe antenna emission, obtain the first test result.
Step 305: according to reference communication link algorithm, anolog base station sends multiple signals.
Step 306: according to the reference channel model, under corresponding channel circumstance, multiple signals are being carried out to the multipath processing, the signal after the output decline is to probe antenna in the OTA darkroom.
Step 307: according to reference communication link algorithm, the multipath signal after the decay of pseudo-terminal reception probe antenna emission, obtain the second test result.
Step 308: whether be less than preset range according to the difference of the second test result and the first test result, verify the described performance of communication link to be measured.
Above-mentioned channel simulation interface supports channel model to be written into and the manual parameters configuration, and the channel parameter that can be written into or configure comprises: time delay, power, leave angle, the angle of arrival, angle expansion, polarizability and Doppler effect.
According to above-mentioned the result, obtain the optimization analysis of channel model to be measured, instruct the strategies such as the network optimization under this model.
Three, about the assessment of different terminal equipment performance, with reference to figure 4, its implementation procedure is as follows:
Step 401: with reference to the parameter of communication link algorithm, the parameter of reference channel model and parameter difference input communication LI(link interface), channel simulation interface and the terminal equipment test interface of terminal equipment to be measured.
Step 402: according to reference communication link algorithm, anolog base station sends multiple signals.
Step 403: according to the reference channel model, under corresponding channel circumstance, multiple signals are being carried out to the multipath processing, the signal after the output decline is to probe antenna in the OTA darkroom.
Step 404: according to receiving terminal, with reference to the communication link algorithm, the multipath signal after the decay of terminal equipment reception probe antenna to be measured emission, obtain the first test result.
Step 405: according to reference communication link algorithm, anolog base station sends multiple signals.
Step 406: according to the reference channel model, under corresponding channel circumstance, multiple signals are being carried out to the multipath processing, the signal after the output decline is to probe antenna in the OTA darkroom.
Step 407: according to receiving terminal, with reference to the communication link algorithm, the multipath signal after the decay of reference terminal equipment reception probe antenna emission, obtain the second test result.
Step 408: whether be less than preset range according to the difference of the second test result and the first test result, verify the described performance of communication link to be measured.
Above-mentioned terminal equipment to be measured comprises terminal complete machine, antenna to be measured and terminal emulator.
By above-mentioned the result, the Performance Evaluation that obtains terminal equipment to be measured is analyzed with optimization, in order to terminal equipment to be measured is carried out to well designed, improves its performance.
By three embodiment, from three aspects, set forth all processes of multi-antenna space performance verification method.
In addition, it should be noted that, it is three kinds of preferred implementation procedures of multi-antenna of the present invention space performance verification method that above-mentioned all flow processs based on Fig. 2, Fig. 3 and Fig. 4 are described, in actual verification process of the present invention, can carry out random variation as required on the basis of flow process shown in Fig. 2, Fig. 3 and Fig. 4, can be to select the arbitrary steps in Fig. 2, Fig. 3 and Fig. 4 to realize, the sequencing of each step also can be adjusted etc. as required.Such as, in a kind of actual realization, test result obtains for the second time, can not perform step 205~207, the process of step 305~307 or step 405~407, directly utilize known results of property and the first test result to be contrasted, or only need once test, and its test result is realized sharing, thereby improve checking speed.Be exactly the assessment that the embodiment of the present invention not only is applicable to the performance of communication link algorithm, channel model and terminal equipment in addition, can also be applicable to equipment or model that multiaerial system is relevant.
In addition, the embodiment of the present invention has also proposed a kind of multi-antenna space performance verification system, and with reference to figure 5, this system comprises: checking interface controller 501, acquisition module 502 and authentication module 503 as a result;
Described checking interface controller 501, for for system transmission factor of influence, by treating in measurement information and reference information input system of the first transmission factor of influence wherein, and by the reference information input system of other transmission factors of influence;
Described acquisition module as a result 502, for the reference information for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the first test result; And transmitting the reference information of factors of influence for the reference information according to the first transmission factor of influence and described other, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the second test result;
Whether described authentication module 503, be less than preset range for the difference according to the second test result and the first test result, verifies the performance of current the first transmission factor of influence.
Above-mentioned checking interface controller 501 is treated measurement information and reference information according to the transmission factor of influence of input, carries out interface and controls and select, and realizes conversion or switching between interface.
In above-described embodiment, with reference to figure 6, acquisition module 502 comprises base station simulator 601, channel simulator 602 and OTA darkroom disposal module 603 as a result;
OTA darkroom disposal module 603, carry out the OTA darkroom disposal for the signal after utilizing terminal equipment to be measured or reference terminal equipment to decay, obtains test result.
Wherein, OTA darkroom disposal module 603 comprises: OTA darkroom 6034, probe antenna 6031, support platform 6032 and terminal equipment 6033.Wherein, OTA darkroom 6034 provides full electric wave to absorb the darkroom environment, has shielded extraneous electromagnetic interference, and electromagnetic wave absorption is in the reflection of inside, darkroom, real simulation required channel circumstance, guaranteed accuracy and the reliability of system performance testing.Probe antenna 6031, be used in darkroom internal build channel angle information, realizes the multipath processing, and the signal after decay is transmitted into to support platform 6032.Support platform 6032, support terminal equipment to be measured, and corresponding communication interface is provided.Terminal equipment 6033, for receiving the deamplification after darkroom disposal, obtain test result.
The embodiment of the present invention has been put down in writing a kind of multi-antenna space performance verification system, and as shown in Figure 6, wherein data flow is 1,2,3,4 to its operation principle, and control information flows to as a, b, c and d:
At first, base station simulator 601 is written into transmitting terminal communication link algorithm to be measured or transmitting terminal with reference to the communication link algorithm by communication link interface, and the anolog base station outputting multiplex signals is to channel simulator.
The communication link algorithm that base station simulator can be written into comprises: information source coding, chnnel coding, interweave, high order modulation, OFDM technology, mapping, frame form and peak-to-average force ratio suppresses, the communication link algorithm that terminal emulator can be written into comprises: simultaneous techniques, AGC, tear frame, channel estimating, high-order demodulation, deinterleaving, channel decoding and source decoding open.Wherein information source coding and decoding, channel decoding, de-interleaving interweave, the high order modulation demodulating algorithm need to be written at transmitting terminal and receiving terminal correspondence, with reference to figure 7.
Then, channel simulator 602 is written into channel model to be measured or reference channel model by the channel simulation interface, under the respective channels environment, multiple signals is carried out to the multipath processing, and the signal after the output decline is to probe antenna 6031.
Wherein, the channel simulation interface supports channel model to be written into and the manual parameters configuration, and the channel parameter that can be written into or configure comprises: time delay, power, leave angle, the angle of arrival, angle expansion, polarizability and Doppler effect, with reference to figure 8.
Secondly, probe antenna 6031 is transmitted into the signal after the decline of channel simulator 602 outputs on the terminal equipment 6033 of OTA support platform 6032.
Finally, terminal equipment 6033 is written into support platform 6032 by the terminal equipment test interface, and receiving multipath signals obtains test result.
The performance test of embodiment of the present invention terminal equipment comprises non-source test and active test, non-source test obtains the passive parameters such as antenna gain, antenna efficiency, radiation diagram by network analyzer, active test obtains the complete machine emitting performance by comprehensive test instrument, with reference to figure 9.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (9)
1. a multi-antenna space performance verification method, is characterized in that, the method comprises:
For system transmission factor of influence, by treating in measurement information and reference information input system of the first transmission factor of influence wherein, and by the reference information input system of other transmission factors of influence;
According to the reference information for the treatment of measurement information and described other transmission factors of influence of the first transmission factor of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the first test result;
According to the reference information of the first transmission factor of influence and the reference information of described other transmission factors of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the second test result;
Whether be less than preset range according to the difference of the second test result and the first test result, verify the performance of current the first transmission factor of influence.
2. verification method according to claim 1, is characterized in that, described the first transmission factor of influence is the communication link algorithm, and described other transmission factors of influence comprise channel model and terminal equipment;
The described reference information Multipexer signal for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence: according to transmitting terminal communication link algorithm configuration to be measured anolog base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
3. verification method according to claim 1, is characterized in that, described the first transmission factor of influence is channel model, and described other transmission factors of influence comprise communication link algorithm and terminal equipment;
The described reference information Multipexer signal for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence comprises: according to transmitting terminal communication link algorithm configuration anolog base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to be measured to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
4. verification method according to claim 1, is characterized in that, described the first transmission factor of influence is terminal equipment, and described other transmission factors of influence comprise communication link algorithm and channel model;
The described reference information Multipexer signal for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence comprises: according to transmitting terminal communication link algorithm simulation base station, send multiple signals;
The signal that the described multiple signals to simulation carry out after multipath is processed exporting after declining comprises: utilize channel model to carry out after multipath is processed exporting the signal after declining to the multiple signals of simulation;
Described signal after decay carried out the OTA darkroom disposal and comprises: terminal equipment to be measured according to receiving terminal communication link algorithm the signal after OTA darkroom environment is to decay processed.
5. according to the described method of testing of claim 2~4 any one, it is characterized in that, described terminal equipment is terminal complete machine, antenna to be measured or terminal emulator.
6. a multi-antenna space performance verification system, is characterized in that, this system comprises: checking interface controller, acquisition module and authentication module as a result;
Described checking interface controller, for for system transmission factor of influence, by treating in measurement information and reference information input system of the first transmission factor of influence wherein, and by the reference information input system of other transmission factors of influence;
Described acquisition module as a result, for the reference information for the treatment of measurement information and described other transmission factors of influence according to the first transmission factor of influence, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the first test result; And transmitting the reference information of factors of influence for the reference information according to the first transmission factor of influence and described other, anolog base station sends multiple signals; Multiple signals to simulation carry out after multipath is processed exporting the signal after declining; Signal after decay is carried out to the OTA darkroom disposal, obtain the second test result;
Whether described authentication module, be less than preset range for the difference according to the second test result and the first test result, verifies the performance of current the first transmission factor of influence.
7. verification system according to claim 6, is characterized in that, described acquisition module as a result comprises base station simulator, channel simulator and OTA darkroom disposal module;
Base station simulator, for sending multiple signals according to communication link algorithm to be measured or with reference to communication link algorithm simulation base station;
Channel simulator, for utilizing channel model to be measured or reference channel model, carry out after multipath is processed exporting the signal after declining to the multiple signals of simulating;
OTA darkroom disposal module, carry out the OTA darkroom disposal for the signal after utilizing terminal equipment to be measured or reference terminal equipment to decay, obtains test result.
8. verification system according to claim 7, is characterized in that, described OTA darkroom disposal module comprises: OTA darkroom, probe antenna, support platform and terminal equipment;
The OTA darkroom, provide the shielding environment for the signal to receiving;
Probe antenna, be transmitted into terminal equipment for the signal by after decay;
Support platform, for supporting terminal equipment, and provide corresponding communication interface;
Terminal equipment, for receiving the deamplification after darkroom disposal, obtain test result.
9. verification system according to claim 8, is characterized in that, described terminal equipment is terminal complete machine, antenna to be measured or terminal emulator.
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