WO2021057498A1 - 探头天线确定方法及装置 - Google Patents

探头天线确定方法及装置 Download PDF

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Publication number
WO2021057498A1
WO2021057498A1 PCT/CN2020/114555 CN2020114555W WO2021057498A1 WO 2021057498 A1 WO2021057498 A1 WO 2021057498A1 CN 2020114555 W CN2020114555 W CN 2020114555W WO 2021057498 A1 WO2021057498 A1 WO 2021057498A1
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WIPO (PCT)
Prior art keywords
probe antenna
signal
probe
models
determining
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PCT/CN2020/114555
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English (en)
French (fr)
Inventor
林辉
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to EP20869383.8A priority Critical patent/EP4037210A4/en
Publication of WO2021057498A1 publication Critical patent/WO2021057498A1/zh
Priority to US17/702,750 priority patent/US11757542B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/29—Performance testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3911—Fading models or fading generators

Definitions

  • the embodiment of the present invention relates to the field of communication technology, and in particular to a method and device for determining a probe antenna.
  • the antenna test system 10 shown in FIG. 1 can be used to perform a multiple-input multiple-output (MIMO) performance test.
  • MIMO multiple-input multiple-output
  • the analog system 11 can transmit the analog signal it generates to the MIMO channel simulator 12, and then the MIMO channel simulator 12 can generate the analog signal based on the analog signal.
  • Multiple MIMO analog wireless channels, and the analog signals are carried on these MIMO analog wireless channels and transmitted to the probe antenna 14 in the full-wave anechoic chamber 13, so that the probe antenna 14 can transmit these MIMO analog wireless channels to the device under test 15. It can simulate real MIMO communication scenarios.
  • the probe antennas in the full anechoic chamber are usually evenly distributed in a 360-degree loop.
  • the eight probe antennas are evenly distributed in a 360-degree loop in the full anechoic chamber, or as shown in the figure
  • the 16 probe antennas shown in (b) in 2 are uniformly distributed in a 360-degree circular anechoic chamber.
  • the number of channels of the MIMO channel simulator is proportional to the number of probe antennas
  • the number of probe antennas connected to the MIMO channel simulator is also limited, and the distribution density of the probe antennas It is also directly proportional to the test accuracy of the antenna test system. Therefore, when the number of probe antennas is limited, the distribution density of the probe antennas is also small, resulting in lower test accuracy of the antenna test system.
  • the embodiment of the present invention provides a method and device for determining a probe antenna to solve the problem of low test accuracy of the antenna test system when the number of probe antennas is limited.
  • an embodiment of the present invention provides a method for determining a probe antenna.
  • the method is applied to a probe antenna determining device.
  • the method includes: determining from M preset probe antenna models according to the signal characteristic parameters of the first signal.
  • N probe antenna models the first signal is the signal after the transmission signal of the analog system is processed by the wireless channel model, and the signal characteristic parameters of the first signal include at least one of the following: the radiation energy value of the first signal in each direction, the first signal The angular power spectral density of a signal.
  • the N probe antenna models are used to determine the probe antenna of the device under test. Both M and N are positive integers.
  • an embodiment of the present invention provides an apparatus for determining a probe antenna, and the apparatus for determining a probe antenna includes a determining module.
  • the determining module is used to determine N probe antenna models from the preset M probe antenna models according to the signal characteristic parameters of the first signal.
  • the first signal is the signal after the transmission signal of the analog system is processed by the wireless channel model.
  • the signal characteristic parameters of a signal include at least one of the following: the radiation energy value of the first signal in various directions, the angular power spectral density of the first signal, and the N probe antenna models are used to determine the probe antenna of the device under test, Both M and N are positive integers.
  • an embodiment of the present invention provides a probe antenna determining device.
  • the probe antenna determining device includes a processor, a memory, and a computer program stored in the memory and running on the processor. When executed by the processor, the steps of the method for determining the probe antenna in the above-mentioned first aspect are realized.
  • an embodiment of the present invention provides a computer-readable storage medium that stores a computer program on the computer-readable storage medium.
  • the computer program is executed by a processor, the method for determining the probe antenna in the first aspect is implemented. step.
  • the signal characteristic parameters including at least one of the following: the radiation energy value of the first signal in various directions, The angular power spectral density of the first signal), N probe antenna models (used to determine the probe antenna of the device under test) are determined from the preset M probe antenna models, and M and N are both positive integers.
  • N probe antenna models that can send the first signal more accurately can be selected according to the simulated radiation scene, so that the probe for testing the device under test can be determined according to the N probe antenna models Antennas, so that these probe antennas can transmit the first signal more accurately, so that the test accuracy of the antenna test system can be improved.
  • FIG. 1 is a schematic structural diagram of an antenna test system provided by an embodiment of the present invention
  • Figure 2 is a schematic diagram of a probe antenna distribution provided by an embodiment of the present invention.
  • FIG. 3 is one of the schematic diagrams of a method for determining a probe antenna provided by an embodiment of the present invention
  • FIG. 4 is a second schematic diagram of a method for determining a probe antenna provided by an embodiment of the present invention.
  • FIG. 5 is a third schematic diagram of a method for determining a probe antenna provided by an embodiment of the present invention.
  • FIG. 6 is one of the schematic diagrams of the application of a method for determining a probe antenna provided by an embodiment of the present invention
  • FIG. 7 is the second schematic diagram of the application of a method for determining a probe antenna according to an embodiment of the present invention.
  • FIG. 8 is a fourth schematic diagram of a method for determining a probe antenna according to an embodiment of the present invention.
  • FIG. 9 is one of the structural schematic diagrams of a probe antenna determining device provided by an embodiment of the present invention.
  • FIG. 10 is the second structural diagram of a probe antenna determining device provided by an embodiment of the present invention.
  • Fig. 11 is a hardware schematic diagram of a probe antenna determining apparatus provided by an embodiment of the present invention.
  • first and second in the specification and claims of the present invention are used to distinguish different objects, rather than to describe a specific order of objects.
  • first signal and the second signal are used to distinguish different signals, rather than to describe the specific order of the signals.
  • words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiment of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • plural means two or more than two, for example, a plurality of elements means two or more elements and so on.
  • the embodiment of the present invention provides a method and device for determining a probe antenna, which can be based on the signal characteristic parameters (including at least one of the following items) of the first signal (the signal after the transmission signal of the analog system is processed by the wireless channel model): The radiation energy value in the direction, the angular power spectral density of the first signal), determine N probe antenna models from the preset M probe antenna models (used to determine the probe antenna of the tested device), M and N are both Is a positive integer.
  • the probe antenna determining device can accurately simulate the first signal according to the signal characteristic parameters of the first signal.
  • N probe antenna models that can send the first signal more accurately can be selected according to the simulated radiation scene, so that the probe for testing the device under test can be determined according to the N probe antenna models Antennas, so that these probe antennas can transmit the first signal more accurately, so that the test accuracy of the antenna test system can be improved.
  • the probe antenna determining device in the embodiment of the present invention may be an electronic device, and the electronic device in the embodiment of the present invention may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may be a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, an ultra-mobile personal computer (UMPC), and a personal digital assistant (personal digital assistant).
  • the non-mobile terminal may be a personal computer (PC), etc., which is not specifically limited in the embodiment of the present invention.
  • the execution subject of the probe antenna determination method provided by the embodiment of the present invention may be the above-mentioned probe antenna determination device, or may be a functional module and/or functional entity in the probe antenna determination device that can implement the probe antenna determination method. Specifically, it may be It is determined according to actual usage requirements, and is not limited in the embodiment of the present invention. Taking the probe antenna determining device as an example, the probe antenna determining method provided in the embodiment of the present invention will be exemplarily described below.
  • multi-antenna MIMO has become a basic function of mobile communication systems.
  • the communication performance for example, throughput, signal receiving capability, etc.
  • the full-wave multi-probe antenna anechoic chamber is a commonly used test program.
  • the minimum number K of 360-degree circular and uniformly distributed probe antennas required for a full-wave multi-probe antenna anechoic chamber can be expressed as:
  • D may represent the maximum distance of multiple antennas in the device under test (for example, a mobile phone or a tablet computer, etc.), and the maximum distance may be approximately equal to the physical size of the device under test.
  • ⁇ represents the wavelength of the wireless signal under test, and ceil() represents rounding up.
  • the frequency range of signals has continued to increase.
  • 4G LTE systems usually work below the 2.6GHz frequency band
  • 5G NR 5th-generation new radio
  • the number of probe antennas required for a test signal frequency of 7.125 GHz is much higher than the number of probe antennas required for a test signal frequency of 2.6 GHz.
  • 31 probe antennas are required for a test signal of 7.125 GHz
  • 13 probe antennas are required for a test signal of 2.6 GHz.
  • the number of probe antennas required for testing is also large.
  • the number of channels of the MIMO channel simulator is proportional to the number of probe antennas, when the number of probe antennas required for the test is large, the number of channels of the MIMO channel simulator required for the test is also relatively large. As a result of manufacturing, when the number of probe antennas used in the test reaches a certain number, there may not be a channel simulator that can connect these probe antennas at the same time, and the test cannot be performed.
  • the probe antenna of the device under test may be determined by the probe antenna determining device, and then these probe antennas are used to test the communication performance of the device under test.
  • the probe antenna determining device may first analyze the signal (for example, the first signal in the embodiment of the present invention) after the transmission signal of the analog system is processed by the wireless channel model, so as to obtain the signal characteristic parameters of the signal, and then determine the probe antenna
  • the device can determine at least one probe antenna model from a plurality of preset probe antenna models (corresponding to the probe antenna set in the full-wave multi-probe antenna anechoic chamber) according to the signal characteristic parameters of the signal, so that the at least one probe antenna model can be determined according to the at least one probe antenna model.
  • the antenna model determines the probe antenna used to test the device under test from the test environment where the antenna under test is located. Since these probe antennas are determined according to the signal characteristic parameters of the signal, the probe antennas determined according to the signal characteristic parameters of the signal can transmit the signal of the tested device more accurately, thereby improving the test accuracy of the antenna test system.
  • an embodiment of the present invention provides a method for determining a probe antenna.
  • the method includes the following step 201.
  • Step 201 The probe antenna determining device determines N probe antenna models from M preset probe antenna models according to the signal characteristic parameters of the first signal.
  • the above-mentioned first signal may be a signal processed by a wireless channel model of a transmission signal of an analog system, and the signal characteristic parameter of the first signal may include at least one of the following: the radiation energy value of the first signal in various directions, the first signal The angular power spectral density of the signal.
  • the aforementioned N probe antenna models can be used to determine the probe antenna of the device under test. Both M and N are positive integers.
  • the probe antenna determining device may determine the aforementioned N probe antenna models from the aforementioned M probe antenna models according to the signal characteristic parameters of the first signal. In this way, the probe antenna used to test the device under test can be determined according to the N probe antenna models. Specifically, the N probe antenna models can be selected from the test environment (such as a full-wave multi-probe antenna anechoic chamber, etc.) where the device under test is located. The N probe antennas corresponding to the N probe antenna models are determined, so that the N probe antennas can be used to send the first signal to test the communication performance of the device under test.
  • the test environment such as a full-wave multi-probe antenna anechoic chamber, etc.
  • the angular power spectral density of the first signal may be used to indicate the corresponding relationship between the radiation direction of the first signal and the radiation energy.
  • the probe antenna determining device can obtain the radiation energy values of the first signal in various directions.
  • the probe antenna determining device may first analyze the first signal A signal, so that the signal characteristic parameter of the above-mentioned first signal can be obtained.
  • the probe antenna determining device can obtain the corresponding relationship between the radiation direction of the first signal and the radiation energy, that is, the probe antenna determining device can obtain the first signal.
  • the probe antenna determining device can be based on the first signal.
  • the signal characteristic parameters of a signal are determined from the aforementioned M probe antenna models that can more accurately simulate the probe antenna model that transmits the first signal, that is, the aforementioned N probe antenna models.
  • the above-mentioned first signal may be a signal obtained after a transmission signal of an analog system has been processed by a wireless channel model and/or signal beamforming. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the aforementioned M preset probe antenna models may be all probe antenna models set in the probe antenna determining device, or part of the probe antenna models set in the probe antenna determining device. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the number of the aforementioned M probe antenna models may be the same as the number of probe antennas set in the test environment where the device under test is located, that is, M probe antennas may be set in the test environment where the device under test is located. .
  • the spatial distribution of the M probe antenna models may be consistent with the spatial distribution of the M probe antennas in the test environment where the device under test is located.
  • the spatial distribution parameters such as the positions and angles of the M probe antenna models in space can be compared with the positions and angles of the M probe antennas in the test environment where the device under test is located.
  • the distribution parameters are the same. That is to say, the probe antenna models in the M probe antenna models correspond to the probe antennas in the M probe antennas one-to-one.
  • the probe antenna determining device may determine a direction range that satisfies a specific condition (for example, at least one direction range in the embodiment of the present invention) according to the signal characteristic parameters of the first signal, and then the probe antenna determines The device can determine N probe antenna models corresponding to these directional ranges from the above M probe antenna models according to these directional ranges.
  • a specific condition for example, at least one direction range in the embodiment of the present invention
  • the foregoing step 201 may be specifically implemented by the following steps 201a and 201b.
  • Step 201a The probe antenna determining device determines at least one direction range according to the signal characteristic parameter of the first signal.
  • the above-mentioned at least one direction range may be determined from various directions of the first signal radiation, and the sum of the radiation energy values in all the directions range (specifically, it may be the radiant energy value of the first signal in the all directions range). And) can be greater than or equal to a preset threshold.
  • all the aforementioned directional ranges may be all directional ranges in the aforementioned at least one directional range.
  • Step 201b The probe antenna determining device determines N probe antenna models corresponding to all directional ranges from the M probe antenna models.
  • the probe antenna determining device can determine the direction range in which the sum of the radiation energy value is greater than or equal to the above-mentioned preset threshold from the various directions of radiation of the first signal according to the signal characteristic parameters of the first signal (that is, the above-mentioned at least One directional range), so the probe antenna determining device can determine N probe antenna models corresponding to all directional ranges in the at least one directional range from the M probe antenna models, so that the N probe antennas The probe antenna determined by the model can transmit the first signal more accurately, thereby improving the accuracy of testing the communication performance of the device under test.
  • the probe antenna determining device can obtain the aforementioned N probe antenna models by determining the probe antenna model corresponding to each of the at least one directional range.
  • one direction range may include one direction or multiple directions, which can be specifically determined according to actual use requirements.
  • the embodiment of the present invention does not limited.
  • the above-mentioned N probe antenna models corresponding to all directional ranges may include any one of the following situations: all directional ranges in the above at least one directional range are corresponded to the above M probe antennas In the space where the model is located, the N probe antennas can all be in these directional ranges; part of them can also be in these directional ranges, and some of them can be outside of these directional ranges (for example, relative to a certain directional range of the at least one directional range). The distance is very close), or all of them are outside the range of these directions.
  • the above-mentioned preset threshold may be a value preset by the tester in the probe antenna determining device, for example, a value such as ninety percent of the total radiated energy of the first signal. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the N probe antenna models determined according to the above-mentioned all-directional ranges can simulate and send the above-mentioned first signal more accurately.
  • the N probe antennas determined according to the N probe antenna models are used to test the device under test, so that the N probe antennas can send the first signal to the device under test more accurately, so that the device under test can be more realistically simulated.
  • the usage scenario can further improve the test accuracy of the antenna test system.
  • the probe antenna determining device may first correspond to the radiation direction of the first signal to the distribution angles of the aforementioned M probe antenna models, thereby The angular range corresponding to each directional range in the above at least one directional range can be determined from the various distribution angles of the M probe antenna models; then the probe antenna determining device can accurately determine the angular range from the M probe antennas according to the determined angular range.
  • the above-mentioned N probe antenna models are determined in the antenna model.
  • the method for determining the probe antenna provided by the embodiment of the present invention may further include the following step 201c.
  • the above step 201b can be specifically implemented by the following step 201b1.
  • Step 201c The probe antenna determining device determines the angle range corresponding to each direction range in the at least one direction range from the distribution angles of the M probe antenna models according to the at least one direction range.
  • each distribution angle of the foregoing M probe antenna models may correspond to each direction of the foregoing first signal radiation.
  • Step 201b1 The probe antenna determining device determines N probe antenna models corresponding to all angle ranges from the M probe antenna models.
  • all the above-mentioned angular ranges are all angular ranges in the angular range determined by the probe antenna determining device according to each directional range in the above-mentioned at least one directional range.
  • the probe antenna determining device may determine the range of each direction from the distribution angles of the M probe antenna models according to the at least one direction range. According to the corresponding angle range, the probe antenna determining device can determine the above-mentioned N probe antenna models from the M probe antenna models according to all the determined angle ranges.
  • the probe antenna determining device since the radiation energy value of the signal can be described by the direction, and the distribution of the probe antenna model in space can be described by the angle, and the direction and the angle can correspond to each other, the probe antenna determining device is After determining the above-mentioned at least one direction range, the probe antenna determining device can correspond each direction range in the at least one direction range to the distribution angle of the probe antenna model in space, so that the angle range corresponding to each direction range can be determined .
  • one angle range may include one angle or multiple angles, which can be specifically determined according to actual usage requirements.
  • the embodiment of the present invention does not limited.
  • the aforementioned N probe antenna models corresponding to all angle ranges may include any of the following situations: the N probe antennas may be all distributed within these angle ranges; or they may be partially distributed. Within these angle ranges, some are distributed outside these angle ranges (for example, distributed on an angle adjacent to a certain angle range of these angle ranges), or all are distributed outside these angle ranges.
  • the above-mentioned at least one angle range may be a continuous angle range, or may be a plurality of discontinuous angle ranges. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the at least one angle range is a continuous angle range
  • the radiation effect of the signal (that is, the first signal) after the transmission signal of the analog system is processed by the wireless channel model (and/or signal beamforming) is the radiation effect shown in (a) in Figure 6
  • the radiation energy of the first signal may be concentrated in the direction range 31 shown in Figure 6(a), that is, the radiation energy of the first signal in the direction range 31 is greater than or Equal to the above-mentioned preset threshold
  • the probe antenna determining device can determine from the distribution angles of the 16 probe antenna models as shown in (b) in FIG. 6 according to the direction range 31 as shown in (b) in FIG. 6 The angle range is 32.
  • the probe antenna determining device can determine N probe antenna models corresponding to the angle range 32, that is, the continuous 8 probe antenna models filled with shadows as shown in (b) in FIG. 6.
  • the eight probe antenna models eight probe antennas consistent with the spatial distribution of the eight probe antenna models can be determined from the test environment where the device under test is located, so that the eight probe antennas can be used to test the under test.
  • the distribution density of the probe antenna for testing is maintained within the angular range corresponding to the range of the radiated energy concentration direction of the signal, so that the testing accuracy of the antenna testing system can be maintained.
  • a 16-channel MIMO channel simulator can be used to test the device under test.
  • the number of probe antennas used is reduced, thereby reducing the number of required MIMO channel simulator channels, thereby reducing the requirements and costs of the test system for equipment.
  • the at least one angle range is a plurality of discontinuous angle ranges.
  • the radiation effect of the signal (that is, the first signal) after the transmission signal of the analog system is processed by the wireless channel model (and/or signal beamforming) is the radiation effect shown in (a) in Figure 7
  • most of the radiation energy of the first signal may be distributed in the direction range 41, direction range 42, direction range 43, and direction range 44 as shown in Fig. 7(a).
  • the probe antenna determining device can be based on the direction range 41, direction range 42, and direction range 43 and the direction range 44 are determined from the distribution angles of the 16 probe antenna models as shown in Fig. 7(b), the angle range 45, the angle range 46, and the angle range 47 shown in Fig. 7(b) And the angle range of 48. Then the probe antenna determining device can determine N probe antenna models corresponding to the angle range 45, angle range 46, angle range 47, and angle range 48, that is, the discontinuity of the shadow filling as shown in (b) in FIG.
  • 7 probe antenna models 7 probe antennas consistent with the spatial distribution of the 7 probe antenna models can be determined from the test environment where the device under test is located, so that the 7 probe antennas can be used to test the tested device.
  • the distribution density of the probe antenna for testing is maintained within the angular range corresponding to the range of the radiated energy concentration direction of the signal, so that the testing accuracy of the antenna testing system can be maintained.
  • the corresponding 14-channel MIMO channel simulator can be used to test the device under test.
  • the number of probe antennas used is reduced, thereby reducing the number of required MIMO channel simulator channels, thereby reducing the requirements and costs of the test system for equipment.
  • the probe antenna determining device can accurately determine the at least one angular range according to the at least one directional range. This makes it possible to accurately determine N probe antenna models capable of accurately simulating sending the first signal from the M probe antenna models, thereby improving the accuracy of the probe antenna determining device in determining the probe antenna model corresponding to the probe antenna of the device under test. degree.
  • the embodiment of the present invention provides a method for determining a probe antenna. Since the signal characteristic parameters of the first signal can accurately represent the distribution of the radiation energy of the first signal in various directions, the probe antenna determining device can be based on the signal of the first signal. Characteristic parameters, accurately simulate the radiation scene of the first signal in the real environment, so that N probe antenna models that can send the first signal more accurately can be selected according to the simulated radiation scene, so that the N probe antennas can be selected according to the N probe antennas. The model determines and tests the probe antennas of the device under test, so that these probe antennas can transmit the first signal more accurately, thereby improving the test accuracy of the antenna test system.
  • the probe antenna determining device may first use the N probe antenna models to simulate sending the foregoing first signal, and obtain the simulated arrival at the receiving end.
  • the analog accuracy value of the signal relative to the first signal (for example, the first accuracy value in the embodiment of the present invention); then it is determined whether the analog accuracy value meets the accuracy value preset in the probe antenna determining device, and the simulation accuracy If the value does not meet the preset accuracy value, the N probe antenna models determined by the probe antenna determining device are adjusted until the accuracy value meets the preset accuracy value.
  • the probe antenna determination method provided in the embodiment of the present invention may further include the following steps 202 to 205.
  • Step 202 The probe antenna determining device uses N probe antenna models to simulate sending the first signal.
  • Step 203 The probe antenna determining device obtains the first accuracy value.
  • the first accuracy value may be an analog accuracy value of the second signal relative to the first signal
  • the second signal may be a signal that arrives at the receiving end after the first signal is simulated and sent by the N probe antenna models.
  • the probe antenna determining device may use the N probe antenna models to simulate sending the first signal, and the probe antenna may obtain (for example, calculation or analysis, etc.) Mode)
  • the first signal is the signal (that is, the second signal) that reaches the receiving end after the N probe antenna models are simulated and sent, so that the first accuracy value can be obtained.
  • the aforementioned first accuracy value may be determined based on the radiation energy of the second signal and the radiation energy of the first signal, or may be determined based on the power of the second signal and the power of the first signal. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the above-mentioned first accuracy may be the ratio between the radiation energy of the second signal and the radiation energy of the first signal, or the ratio between the power of the second signal and the power of the first signal, or the second The root mean square value of the difference between the radiation energy (or power) of the signal and the radiation energy (or power) of the first signal, and so on.
  • the above-mentioned first accuracy value may also be obtained in any other possible manner, and may be specifically determined according to actual use requirements, which is not limited in the embodiment of the present invention.
  • Step 204 The probe antenna determining device determines whether the first accuracy value meets the preset accuracy value.
  • the probe antenna determining device may determine whether the first accuracy meets the preset accuracy value, and if the first accuracy value meets the foregoing preset accuracy value, Then the probe antenna determining device can output any possible information such as the determined results of N probe antenna models or the first accuracy value, so that the tester can select the test environment in which the device under test is located according to the N probe antenna models. N probe antennas, and use the N probe antennas to test the communication performance of the device under test.
  • the probe antenna determining device can re-determine a probe antenna model that can more accurately simulate and send the first signal based on the signal characteristic information of the first signal (for example, in the embodiment of the present invention). K probe antenna model in the).
  • the above-mentioned first accuracy value does not satisfy the preset accuracy value may be that the first accuracy value is less than the preset accuracy value, or the first accuracy value is greater than the second accuracy value.
  • it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the above-mentioned preset accuracy value may be a value preset by the tester in the probe antenna determining device, which may be specifically determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • Step 205 When the first accuracy value does not meet the preset accuracy value, the probe antenna determining device re-determines K probe antenna models from the M probe antenna models according to the signal characteristic parameters of the first signal.
  • the K probe antenna models may be partly or completely different from the N probe antenna models, and K is a positive integer.
  • the probe antenna determining device may re-determine from the above-mentioned M probe antenna models according to the signal characteristic parameters of the first signal for determining Test the probe antenna model of the device under test (that is, the above K probe antenna models) until the first accuracy meets the above preset accuracy value.
  • the manner in which the above-mentioned probe antenna determining apparatus re-determines the above-mentioned K probe antenna models may include two methods, namely, the first method and the second method.
  • the two methods are exemplified below.
  • the probe antenna determining device selects i probe antenna models from the above M probe antenna models to determine the above K probe antenna models, and i is a positive integer.
  • the above-mentioned K probe antenna models may be partially different from the above-mentioned N probe antenna models.
  • the probe antenna determining device may re-determine at least one first direction range, and then determine the probe antenna model corresponding to the at least one first direction range from the above M probe antenna models to determine the K probe antenna models .
  • the above K probe antenna models may be partially different from the above N probe antenna models, or may be different from all the above N probe antenna models, which can be determined according to actual usage requirements.
  • the embodiment of the present invention Not limited.
  • the probe antenna determining device can be based on the first accuracy value It is determined whether it is appropriate to determine the above N probe antenna models. In the case of inappropriateness, the probe antenna determining device can be re-determined until a suitable probe antenna model is determined. In this way, the probe antenna that can transmit the first signal more accurately can be selected according to these suitable probe antenna models, so that the accuracy of the antenna test system can be ensured.
  • the probe antenna determination methods shown in the above figures are all exemplified in conjunction with one figure in the embodiment of the present invention.
  • the method for determining the probe antenna shown in each of the above figures can also be implemented in combination with any other figures that can be combined as illustrated in the above embodiments, and will not be repeated here.
  • an embodiment of the present invention provides an apparatus 500 for determining a probe antenna
  • the apparatus 500 for determining a probe antenna includes a determining module 501.
  • the determining module 501 is configured to determine N probe antenna models from the preset M probe antenna models according to the signal characteristic parameters of the first signal.
  • the first signal is the signal after the transmission signal of the analog system is processed by the wireless channel model
  • the signal characteristic parameters of the first signal include at least one of the following: the radiation energy value of the first signal in various directions, and the angle of the first signal Power spectral density.
  • the N probe antenna models are used to determine the probe antenna of the device under test. Both M and N are positive integers.
  • the determining module 501 is specifically configured to determine at least one directional range according to the signal characteristic parameters of the first signal; and determine N probe antenna models corresponding to all directional ranges from the M probe antenna models;
  • the at least one directional range is a directional range determined from various directions of radiation of the first signal, and the sum of the radiation energy values in all the directional ranges is greater than or equal to a preset threshold.
  • the determining module 501 is further configured to, after determining the at least one directional range, determine from the distribution angles of the M probe antenna models according to the at least one directional range corresponding to each directional range in the at least one directional range Each distribution angle of the M probe antenna models corresponds to each direction of the first signal radiation; the determining module 501 is specifically configured to determine N corresponding to all angle ranges from the M probe antenna models Probe antenna model.
  • the probe antenna determination model 500 further includes a sending module 502 and an acquiring module 503.
  • the sending module 502 is used to simulate sending the first signal using the N probe antenna models after the determining module 501 determines N probe antenna models from the M probe antenna models;
  • the acquiring module 503 is used to obtain the first accuracy value,
  • the first accuracy value is the analog accuracy value of the second signal relative to the first signal simulated by the transmitting module 502, and the second signal is the signal that arrives at the receiving end after the first signal is simulated and transmitted through N probe antenna models;
  • the determining module 501 It is also used to re-determine K probe antenna models from the M probe antenna models when the first accuracy value acquired by the acquisition module 503 does not meet the preset accuracy value, according to the signal characteristic parameters of the first signal;
  • the K probe antenna models are partly or completely different from the aforementioned N probe antenna models, and K is a positive integer.
  • the spatial distribution of the M probe antenna models is consistent with the spatial distribution of the M probe antennas in the test environment where the device under test is located.
  • the electronic device provided by the embodiment of the present invention can implement the various processes performed by the electronic device in the embodiment of the method for determining the probe antenna, and can achieve the same technical effect. In order to avoid repetition, details are not described herein again.
  • the embodiment of the present invention provides a device for determining a probe antenna. Since the signal characteristic parameters of the first signal can accurately represent the distribution of the radiation energy of the first signal in various directions, the device for determining the probe antenna can be based on the signal of the first signal. Characteristic parameters, accurately simulate the radiation scene of the first signal in the real environment, so that N probe antenna models that can send the first signal more accurately can be selected according to the simulated radiation scene, so that the N probe antennas can be selected according to the N probe antennas. The model determines and tests the probe antennas of the device under test, so that these probe antennas can transmit the first signal more accurately, thereby improving the test accuracy of the antenna test system.
  • Fig. 11 is a schematic diagram of hardware of a probe antenna determining device for implementing various embodiments of the present invention.
  • the probe antenna determining device 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, and a memory 109, the processor 110, and the power supply 111 and other components.
  • the structure of the probe antenna determining device shown in FIG. 11 does not constitute a limitation on the probe antenna determining device.
  • the probe antenna determining device may include more or less components than those shown in the figure, or a combination of certain components. Components, or different component arrangements.
  • the probe antenna determining device includes, but is not limited to, mobile phones, tablet computers, notebook computers, and palmtop computers.
  • the processor 110 may be used to determine N probe antenna models from the preset M probe antenna models according to the signal characteristic parameters of the first signal.
  • the first signal is the signal after the transmission signal of the analog system is processed by the wireless channel model, and the signal characteristic parameters of the first signal include at least one of the following: the radiation energy value of the first signal in various directions, and the angle of the first signal Power spectral density.
  • the N probe antenna models are used to determine the probe antenna of the device under test. Both M and N are positive integers.
  • the determining module 501 in the schematic structural diagram of the above-mentioned probe antenna determining apparatus may be implemented by the above-mentioned processor 110.
  • the embodiment of the present invention provides a device for determining a probe antenna. Since the signal characteristic parameters of the first signal can accurately represent the distribution of the radiation energy of the first signal in various directions, the device for determining the probe antenna can be based on the signal of the first signal. Characteristic parameters, accurately simulate the radiation scene of the first signal in the real environment, so that N probe antenna models that can send the first signal more accurately can be selected according to the simulated radiation scene, so that the N probe antennas can be selected according to the N probe antennas. The model determines and tests the probe antennas of the device under test, so that these probe antennas can transmit the first signal more accurately, thereby improving the test accuracy of the antenna test system.
  • the radio frequency unit 101 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, the downlink data from the base station is received and processed by the processor 110; in addition, Uplink data is sent to the base station.
  • the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 101 can also communicate with the network and other devices through a wireless communication system.
  • the probe antenna determining device provides users with wireless broadband Internet access through the network module 102, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 103 can convert the audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into an audio signal and output it as sound. Moreover, the audio output unit 103 may also provide audio output related to a specific function performed by the probe antenna determining apparatus 100 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 104 is used to receive audio or video signals.
  • the input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042.
  • the graphics processing unit 1041 is used to capture images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the data is processed.
  • the processed image frame can be displayed on the display unit 106.
  • the image frame processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the network module 102.
  • the microphone 1042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 101 for output in the case of a telephone call mode.
  • the probe antenna determining device 100 further includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light, and the proximity sensor can close the display panel when the probe antenna determining device 100 is moved to the ear. 1061 and/or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the probe antenna determination device (such as horizontal and vertical screen switching, related Games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 105 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer , Infrared sensor, etc., I won’t repeat them here.
  • the display unit 106 is used to display information input by the user or information provided to the user.
  • the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 107 may be used to receive inputted numeric or character information, and generate key signal inputs related to user settings and function control of the probe antenna determining device.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072.
  • the touch panel 1071 also called a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 1071 or near the touch panel 1071. operating).
  • the touch panel 1071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 110, the command sent by the processor 110 is received and executed.
  • the touch panel 1071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 107 may also include other input devices 1072.
  • other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 1071 can be overlaid on the display panel 1061.
  • the touch panel 1071 detects a touch operation on or near it, it transmits it to the processor 110 to determine the type of the touch event, and then the processor 110 determines the type of the touch event according to the touch.
  • the type of event provides corresponding visual output on the display panel 1061.
  • the touch panel 1071 and the display panel 1061 are used as two independent components to realize the input and output functions of the probe antenna determining device, but in some embodiments, the touch panel 1071 and the display panel 1061 is integrated to realize the input and output functions of the probe antenna determining device, which is not specifically limited here.
  • the interface unit 108 is an interface for connecting an external device and the probe antenna determining device 100.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 108 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the probe antenna determination device 100 or may be used to determine the Data is transferred between the device 100 and an external device.
  • the memory 109 can be used to store software programs and various data.
  • the memory 109 may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data created by the use of mobile phones (such as audio data, phone book, etc.), etc.
  • the memory 109 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 110 is the control center of the probe antenna determination device. It uses various interfaces and lines to connect the various parts of the entire probe antenna determination device, runs or executes the software programs and/or modules stored in the memory 109, and calls the memory stored in the memory.
  • the data in 109 performs various functions of the probe antenna determining device and processing data, thereby monitoring the probe antenna determining device as a whole.
  • the processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc.
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 110.
  • the probe antenna determining device 100 may also include a power source 111 (such as a battery) for supplying power to various components.
  • a power source 111 such as a battery
  • the power source 111 may be logically connected to the processor 110 through a power management system, so that the power management system can manage charging, discharging, and Power management and other functions.
  • the probe antenna determining device 100 includes some functional modules not shown, which will not be repeated here.
  • an embodiment of the present invention also provides a probe antenna determining device, including a processor 110 as shown in FIG. 11, a memory 109, a computer program stored in the memory 109 and running on the processor 110, the computer When the program is executed by the processor 110, each process of the embodiment of the method for determining the probe antenna is realized, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.
  • the embodiment of the present invention also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is executed by the processor shown in FIG. 11, each process of the above-mentioned probe antenna determination method embodiment is implemented. , And can achieve the same technical effect, in order to avoid repetition, I will not repeat it here.
  • the computer-readable storage medium may include read-only memory (ROM), random access memory (RAM), magnetic disk or optical disk, etc.
  • the technical solution of the present invention can be embodied in the form of a software product in essence or the part that contributes to the related technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk). ) Includes several instructions to make an electronic device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.

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Abstract

本发明实施例提供一种探头天线确定方法及装置。该方法包括：根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型，第一信号为模拟系统的发射信号经过无线信道模型处理后的信号，信号特性参数包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度，N个探头天线模型用于确定测试被测设备的探头天线，M和N均为正整数。

Description

探头天线确定方法及装置
相关申请的交叉引用
本申请要求于2019年09月27日提交中国国家知识产权局、申请号为201910927855.1、申请名称为“一种探头天线确定方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及通信技术领域，尤其涉及一种探头天线确定方法及装置。
背景技术
为了确保天线在真实场景中的通信性能，通常在生产过程中需要对天线进行性能测试。
目前，可以采用如图1所示的天线测试系统10进行多天线多输入多输出(multiple-input multiple-output，MIMO)性能测试。具体的，在采用如图1所示的天线测试系统10进行测试时，模拟系统11可以将其产生的模拟信号传输到MIMO信道模拟器12中，然后MIMO信道模拟器12可以基于该模拟信号产生多路MIMO模拟无线信道，并将该模拟信号承载在这些MIMO模拟无线信道上传输给全电波暗室13中的探头天线14，从而探头天线14可以向被测设备15发送这些MIMO模拟无线信道，如此可以模拟真实的MIMO通信场景。其中，全电波暗室中的探头天线通常是以360度环形均匀分布的，例如，如图2中的(a)所示的8个探头天线360度环形均匀分布在全电波暗室中，或者如图2中的(b)所示的16个探头天线360度环形均匀分布全电波暗室中。
然而，由于MIMO信道模拟器的通道数量与探头天线的数量成正比，因此当MIMO信道模拟器的通道数量有限时，与MIMO信道模拟器连接的探头天线的数量也有限，而探头天线的分布密度又与天线测试系统的测试精度成正比，因此，当探头天线的数量有限时，探头天线的分布密度也较小，从而导致天线测试系统的测试精度较低。
发明内容
本发明实施例提供一种探头天线确定方法及装置，以解决在探头天线的数量有限的情况下，导致天线测试系统的测试精度较低的问题。
为了解决上述技术问题，本发明实施例是这样实现的：
第一方面，本发明实施例提供了一种探头天线确定方法，该方法应用于探头天线确定装置，该方法包括：根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型，第一信号为模拟系统的发射信号经过无线信道模型处理后的信号，第一信号的信号特性参数包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度，该N个探头天线模型用于确定测试被测设备的探头天线，M和N均为正整数。
第二方面，本发明实施例提供了一种探头天线确定装置，该探头天线确定装置包 括确定模块。确定模块，用于根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型，第一信号为模拟系统的发射信号经过无线信道模型处理后的信号，第一信号的信号特性参数包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度，该N个探头天线模型用于确定测试被测设备的探头天线，M和N均为正整数。
第三方面，本发明实施例提供了一种探头天线确定装置，该探头天线确定装置包括处理器、存储器及存储在该存储器上并可在该处理器上运行的计算机程序，该计算机程序被该处理器执行时实现如上述第一方面中的探头天线确定方法的步骤。
第四方面，本发明实施例提供了一种计算机可读存储介质，该计算机可读存储介质上存储计算机程序，该计算机程序被处理器执行时实现如上述第一方面中的探头天线确定方法的步骤。
在本发明实施例中，可以根据第一信号(模拟系统的发射信号经过无线信道模型处理后的信号)的信号特性参数(包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度)，从预设的M个探头天线模型中确定N个探头天线模型(用于确定测试被测设备的探头天线)，M和N均为正整数。通过该方案，由于第一信号的信号特性参数可以准确地表示第一信号的辐射能量在各个方向上的分布情况，因此探头天线确定装置可以根据第一信号的信号特性参数，准确地模拟第一信号在真实环境中的辐射场景，从而可以根据其模拟出的辐射场景选择能够比较精确地发送第一信号的N个探头天线模型，如此可以根据该N个探头天线模型确定测试被测设备的探头天线，从而可以使得这些探头天线比较精确地发送第一信号，从而可以提高天线测试系统的测试精度。
附图说明
图1为本发明实施例提供的一种天线测试系统的结构示意图；
图2为本发明实施例提供的一种探头天线分布示意图；
图3为本发明实施例提供的一种探头天线确定方法的示意图之一；
图4为本发明实施例提供的一种探头天线确定方法的示意图之二；
图5为本发明实施例提供的一种探头天线确定方法的示意图之三；
图6为本发明实施例提供的一种探头天线确定方法应用的示意图之一；
图7为本发明实施例提供的一种探头天线确定方法应用的示意图之二；
图8为本发明实施例提供的一种探头天线确定方法的示意图之四；
图9为本发明实施例提供的一种探头天线确定装置的结构示意图之一；
图10为本发明实施例提供的一种探头天线确定装置的结构示意图之二；
图11为本发明实施例提供的探头天线确定装置的硬件示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本文中术语“和/或”，是一种描述关联对象的关联关系，表示可以存在三种关系，例 如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。本文中符号“/”表示关联对象是或者的关系，例如A/B表示A或者B。
本发明的说明书和权利要求书中的术语“第一”和“第二”等是用于区别不同的对象，而不是用于描述对象的特定顺序。例如，第一信号和第二信号等是用于区别不同的信号，而不是用于描述信号的特定顺序。
在本发明实施例中，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本发明实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
在本发明实施例的描述中，除非另有说明，“多个”的含义是指两个或者两个以上，例如，多个元件是指两个或者两个以上的元件等。
本发明实施例提供一种探头天线确定方法及装置，可以根据第一信号(模拟系统的发射信号经过无线信道模型处理后的信号)的信号特性参数(包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度)，从预设的M个探头天线模型中确定N个探头天线模型(用于确定测试被测设备的探头天线)，M和N均为正整数。通过该方案，由于第一信号的信号特性参数可以准确地表示第一信号的辐射能量在各个方向上的分布情况，因此探头天线确定装置可以根据第一信号的信号特性参数，准确地模拟第一信号在真实环境中的辐射场景，从而可以根据其模拟出的辐射场景选择能够比较精确地发送第一信号的N个探头天线模型，如此可以根据该N个探头天线模型确定测试被测设备的探头天线，从而可以使得这些探头天线比较精确地发送第一信号，从而可以提高天线测试系统的测试精度。
本发明实施例中的探头天线确定装置可以为电子设备，本发明实施例中的电子设备可以为移动终端，也可以为非移动终端。示例性的，移动终端可以为手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、超级移动个人计算机(ultra-mobile personal computer，UMPC)、上网本者个人数字助理(personal digital assistant，PDA)等，非移动终端可以为个人计算机(personal computer，PC)等，本发明实施例不作具体限定。
本发明实施例提供的探头天线确定方法的执行主体可以为上述的探头天线确定装置，也可以为该探头天线确定装置中能够实现该探头天线确定方法的功能模块和/或功能实体，具体的可以根据实际使用需求确定，本发明实施例不作限定。下面以探头天线确定装置为例，对本发明实施例提供的探头天线确定方法进行示例性的说明。
随着通信技术的发展，从第四代移动通信长期演进(4th-generation long term evolution，4G LTE)系统开始，多天线MIMO成为移动通信系统一项基本功能。为了确保电子设备在真实的MIMO场景中通信性能(例如：吞吐量、信号接收能力等)，在电子设备出厂前，需要测试电子设备在MIMO场景下的通信性能。其中，全电波多探头天线暗室是一种常用的测试方案。
按照传统的理论分析，为了满足测试精度，全电波多探头天线暗室所需要的360度环形均匀分布探头天线的最少数量K可以表示为：
Figure PCTCN2020114555-appb-000001
其中，D可以表示被测设备(例如：手机或平板电脑等)中的多个天线的最大距离，该最大距离近似可以等于被测设备的物理大小。λ表示测试的无线信号的波长，ceil()表示向上取整。
示例性的，如表1所示，为在被测设备中的多个天线的最大距离为20厘米(cm)的情况下，不同频率的测试信号所需要的360度环形分布的探头天线的数量的计算关系表。
表1
频率 2.6GHz 3.5GHz 7.125GHz
λ(米) 0.015 0.086 0.042
D/λ 1.73 2.33 4.75
K 13 17 31
如上表1所示，在被测设备大小相同的情况下，测试信号的频率越高，测试时所需要的探头天线数量越多。相应的，如果被测设备大小增大，即被测设备中的多个天线的最大距离D增大，那么测试时所需要的探头天线数量也将增加。
然而，随着移动通信的发展，信号的频率范围不断增加，4G LTE系统通常工作在2.6GHz频段以下，而第五代移动通信新空口(5th-generation new radio，5G NR)系统的工作频段范围将扩展到7.125GHz。如此，对于同一被测设备，测试信号频率为7.125GHz所需要的探头天线数量远高于测试信号频率为2.6GHz所需要的探头天线数量。例如，对于常用的对角线距离约为20cm的手机，在测试信号为7.125GHz需要31个探头天线，测试信号为2.6GHz需要13个探头天线。另外，对于尺寸较大的电子设备(例如平板电脑、笔记本电脑等)，测试所需要的探头天线的数量也较多。
另一方面，由于MIMO信道模拟器的通道数量与探头天线的数量成正比，当测试所需要的探头天线的数量较多时，测试所需要的MIMO信道模拟器的通道数量也比较多，而受设备制造的影响，当测试所需要使用的探头天线达到一定数量时，可能没有能够同时连接这些探头天线的信道模拟器，从而无法进行测试。
本发明实施例中，在测试被测设备的通信性能之前，可以先通过探头天线确定装置确定测试被测设备的探头天线，然后再采用这些探头天线测试被测设备的通信性能。具体的，探头天线确定装置可以先分析模拟系统的发射信号经过无线信道模型处理后的信号(例如本发明实施例中的第一信号)，从而可以得到该信号的信号特性参数，然后探头天线确定装置可以根据该信号的信号特性参数，从预设的多个探头天线模型(与全电波多探头天线暗室中设置的探头天线对应)中确定出至少一个探头天线模型，如此可以根据该至少一个探头天线模型从被测天线所处的测试环境中，确定出用于测试被测设备的探头天线。由于这些探头天线是根据信号的信号特性参数确定的，因此采用根据该信号的信号特性参数确定的这些探头天线可以比较精确地发送测试被测设备的信号，从而可以提高天线测试系统的测试精度。
下面结合各个附图，对本发明实施例提供的探头天线确定方法进行示例性的说明。
如图3所示，本发明实施例提供一种探头天线确定方法，该方法包括下述的步骤201。
步骤201、探头天线确定装置根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型。
其中，上述第一信号可以为模拟系统的发射信号经过无线信道模型处理后的信号，第一信号的信号特性参数可以包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度，上述N个探头天线模型可以用于确定测试被测设备的探头天线，M和N均为正整数。
本发明实施例中，探头天线确定装置可以根据该第一信号的信号特性参数，从上述M个探头天线模型中确定上述N个探头天线模型。如此，可以根据该N个探头天线模型确定用于测试被测设备的探头天线，具体可以根据该N个探头天线模型从被测设备所处的测试环境(例如全电波多探头天线暗室等)中确定与该N个探头天线模型相对应的N个探头天线，从而可以采用该N个探头天线发送第一信号，以测试被测设备的通信性能。
需要说明的是，本发明实施例中，上述第一信号的角度功率谱密度可以用于表示第一信号的辐射方向与辐射能量之间的对应关系。也就是说，在探头天线确定装置得到第一信号的角度功率谱密度之后，探头天线确定装置即可得到第一信号在各个方向上的辐射能量值。
可选的，本发明实施例中，在探头天线确定装置根据上述第一信号的信号特性参数，从上述M个探头天线模型中确定上述N个探头天线模型之前，探头天线确定装置可以先分析第一信号，从而可以得到上述第一信号的信号特性参数。
可以理解，在探头天线确定装置得到上述第一信号的信号特性参数之后，探头天线确定装置即可得到第一信号的辐射方向与辐射能量之间的对应关系，即探头天线确定装置可以得到第一信号的辐射能量在各个方向上的分布情况。
本发明实施例中，由于信号的辐射能量在各个方向上的分布情况为表示信号的重要参数，那么在探头天线确定装置确定上述第一信号的信号特性参数之后，探头天线确定装置可以根据该第一信号的信号特性参数，从上述M个探头天线模型中确定出可以比较精确地模拟发送上述第一信号的探头天线模型，即上述N个探头天线模型。
可选的，本发明实施例中，上述第一信号可以为模拟系统的发射信号经过无线信道模型和/或信号波束赋形处理之后的信号。具体可以根据实际使用需求确定，本发明实施例不作限定。
可选的，本发明实施例中，上述预设的M个探头天线模型可以为探头天线确定装置中设置的全部探头天线模型，或者探头天线确定装置中设置的部分探头天线模型。具体可以根据实际使用需求确定，本发明实施例不作限定。
本发明实施例中，上述M个探头天线模型的数量可以与被测设备所处的测试环境中设置的探头天线的数量相同，即被测设备所处的测试环境中可以设置有M个探头天线。
可选的，本发明实施例中，上述M个探头天线模型的空间分布情况可以与被测设备所处的测试环境中的M个探头天线的空间分布情况一致。
可以理解，上述M个探头天线模型在空间中所处的位置、角度等空间分布参数，可以与被测设备所处的测试环境中的M个探头天线在空间中所处的位置、角度等空间分布参数相同。也就是说，该M个探头天线模型中的探头天线模型与M个探头天线中的探头天线一一对应。
可选的，本发明实施例中，探头天线确定装置可以根据该第一信号的信号特性参数，确定满足特定条件的方向范围(例如本发明实施例中的至少一个方向范围)，然后探头天线确定装置可以根据这些方向范围，从上述M个探头天线模型中确定出与这些方向范围相对应的N个探头天线模型。
示例性的，结合上述图3，如图4所示，上述步骤201具体可以通过下述的步骤201a和步骤201b实现。
步骤201a、探头天线确定装置根据第一信号的信号特性参数，确定至少一个方向范围。
其中，上述至少一个方向范围可以为从第一信号辐射的各个方向中确定的，且所有方向范围内的辐射能量值之和(具体可以为第一信号在该所有方向范围内的辐射能量值之和)可以大于或等于预设阈值。
需要说明的是，本发明实施例中，上述所有方向范围可以为上述至少一个方向范围中的所有方向范围。
步骤201b、探头天线确定装置从M个探头天线模型中，确定与所有方向范围相对应的N个探头天线模型。
本发明实施例中，探头天线确定装置可以根据该第一信号的信号特性参数，从第一信号辐射的各个方向中确定辐射能量值之和大于或等于上述预设阈值的方向范围(即上述至少一个方向范围)，如此探头天线确定装置可以从该M个探头天线模型中，确定与该至少一个方向范围中的所有方向范围相对应的N个探头天线模型，从而可以使得根据该N个探头天线模型确定的探头天线能够比较精确地发送第一信号，进而可以提高测试被测设备通信性能的测试精度。
本发明实施例中，探头天线确定装置可以通过确定与该至少一个方向范围中的每个方向范围相对应的探头天线模型，得到上述N个探头天线模型。
可选的，本发明实施例中，一个方向范围(上述至少一个方向范围中的任意一个)中可以包括一个方向，也可以包括多个方向，具体可以根据实际使用需求确定，本发明实施例不作限定。
需要说明的是，本发明实施例中，上述与所有方向范围相对应的N个探头天线模型可以包括以下任意一种情况：将上述至少一个方向范围中的所有方向范围对应到上述M个探头天线模型所处的空间中，该N个探头天线可以全部处于这些方向范围内；也可以部分处于这些方向范围内，部分处于这些方向范围外(例如与该至少一个方向范围中的某个方向范围的距离很近)，也可以全部处于这些方向范围外。
可选的，本发明实施例中，上述预设阈值可以为测试人员在探头天线确定装置中预置的数值，例如第一信号的总辐射能量的百分之九十等数值。具体可以根据实际使用需求确定，本发明实施例不作限定。
本发明实施例中，由于上述所有方向范围内的辐射能量值之和大于或等于预设阈 值，因此根据上述所有方向范围确定的N个探头天线模型，可以比较精确地模拟发送上述第一信号，如此采用根据该N个探头天线模型确定的N个探头天线测试被测设备，可以使得该N个探头天线比较精确地向被测设备发送的第一信号，从而可以比较真实的模拟被测设备的使用场景，进而可以提高天线测试系统的测试精度。
可选的，本发明实施例中，在探头天线确定装置确定上述至少一个方向范围之后，探头天线确定装置可以先将第一信号的辐射方向对应到上述M个探头天线模型的分布角度上，从而可以从该M个探头天线模型的各个分布角度中确定与上述至少一个方向范围内每个方向范围对应的角度范围；然后探头天线确定装置可以根据其确定的角度范围，准确地从该M个探头天线模型中确定出上述N个探头天线模型。
示例性的，结合上述图4，如图5所示，在上述步骤201a之后，本发明实施例提供的探头天线确定方法还可以包括下述的步骤201c。其中，上述步骤201b具体可以通过下述的步骤201b1实现。
步骤201c、探头天线确定装置根据至少一个方向范围，从M个探头天线模型的各个分布角度中，确定与至少一个方向范围内每个方向范围对应的角度范围。
其中，上述M个探头天线模型的各个分布角度可以对应上述第一信号辐射的各个方向。
步骤201b1、探头天线确定装置从M个探头天线模型中，确定与所有角度范围相对应的N个探头天线模型。
可以理解，上述所有角度范围为探头天线确定装置根据上述至少一个方向范围内每个方向范围确定的角度范围中的所有角度范围。
本发明实施例中，在探头天线确定装置确定上述至少一个方向范围之后，探头天线确定装置可以根据该至少一个方向范围，从上述M个探头天线模型的各个分布角度中，确定与每个方向范围对应的角度范围，然后探头天线确定装置可以根据其确定的所有角度范围，从该M个探头天线模型中确定上述N个探头天线模型。
需要说明的是，本发明实施例中，由于信号的辐射能量值可以通过方向描述，且探头天线模型在空间中的分布可以通过角度描述，以及方向与角度可以相互对应，因此探头天线确定装置在确定上述至少一个方向范围之后，探头天线确定装置可以将该至少一个方向范围中的每个方向范围对应到探头天线模型在空间中的分布角度上，如此可以确定与每个方向范围对应的角度范围。
可选的，本发明实施例中，一个角度范围(上述至少一个角度范围中的任意一个)中可以包括一个角度，也可以包括多个角度，具体可以根据实际使用需求确定，本发明实施例不作限定。
需要说明的是，本发明实施例中，上述与所有角度范围相对应的N个探头天线模型可以包括以下任意一种情况：该N个探头天线可以全部分布在这些角度范围内；也可以部分分布在这些角度范围内，部分分布在这些角度范围外(例如分布在与这些角度范围中的某个角度范围相邻的角度上)，也可以全部分布在这些角度范围外。
可选的，本发明实施例中，上述至少一个角度范围可以为一个连续的角度范围，也可以为多个不连续的角度范围。具体可以根据实际使用需求确定，本发明实施例不作限定。
下面结合下述图6，对上述至少一个角度范围为一个连续的角度范围的情况进行示例性的说明。
示例性的，假设模拟系统的发射信号经过无线信道模型(和/或信号波束赋形)处理之后的信号(即上述第一信号)的辐射效果为图6中的(a)所示的辐射效果，如此由图6中的(a)可见，第一信号的辐射能量可能集中在如图6中的(a)所示的方向范围31，即第一信号在方向范围31内的辐射能量大于或等于上述预设阈值，那么探头天线确定装置可以根据该方向范围31，从如图6中的(b)所示的16个探头天线模型的分布角度中确定如图6中的(b)所示的角度范围32。然后探头天线确定装置可以确定与该角度范围32相对应的N个探头天线模型，即如图6中的(b)所示的阴影填充的连续的8个探头天线模型。如此，可以根据该8个探头天线模型，从被测设备所处测试环境中确定与该8个探头天线模型在空间中分布情况一致的8个探头天线，从而可以使用该8个探头天线测试被测设备的信号的发送和接收。如此，在与信号的辐射能量集中方向范围对应的角度范围内保持了测试用的探头天线的分布密度，从而可以保持天线测试系统的测试精度。
相应的，由于测试时只需要使用8个探头天线，因此对应仅需使用16通道的MIMO信道模拟器即可对被测设备进行测试。如此，与传统的使用全部的16个探头天线相比较，减少了所使用探头天线的数量，从而减少了所需要的MIMO信道模拟器的通道数量，从而可以降低测试系统对设备的要求和成本。
下面再结合下述图7，对上述至少一个角度范围为多个不连续的角度范围的情况进行示例性的说明。
示例性的，假设模拟系统的发射信号经过无线信道模型(和/或信号波束赋形)处理之后的信号(即上述第一信号)的辐射效果为图7中的(a)所示的辐射效果，如此由图7中的(a)可见，第一信号的辐射能量大部分可能分布在如图7中的(a)所示的方向范围41、方向范围42、方向范围43和方向范围44，即第一信号在方向范围41、方向范围42、方向范围43和方向范围44内的辐射能量大于或等于上述预设阈值，那么探头天线确定装置可以根据该方向范围41、方向范围42、方向范围43和方向范围44，从如图7中的(b)所示的16个探头天线模型的分布角度中确定如图7中的(b)所示的角度范围45、角度范围46、角度范围47和角度范围48。然后探头天线确定装置可以确定与该角度范围45、角度范围46、角度范围47和角度范围48相对应的N个探头天线模型，即如图7中的(b)所示的阴影填充的不连续的7个探头天线模型。如此，可以根据该7个探头天线模型，从被测设备所处测试环境中确定与该7个探头天线模型在空间中分布情况一致的7个探头天线，从而可以使用该7个探头天线测试被测设备的信号的发送和接收。如此，在与信号的辐射能量集中方向范围对应的角度范围内保持了测试用的探头天线的分布密度，从而可以保持天线测试系统的测试精度。
相应的，由于测试时只需要使用7个探头天线，因此对应仅需使用14通道的MIMO信道模拟器即可对被测设备进行测试。如此，与传统的使用全部的16个探头天线相比较，减少了所使用探头天线的数量，从而减少了所需要的MIMO信道模拟器的通道数量，从而可以降低测试系统对设备的要求和成本。
本发明实施例中，由于上述M个探头天线模型的各个分布角度可以对应第一信号 辐射的各个方向，因此探头天线确定装置可以根据上述至少一个方向范围准确地确定上述至少一个角度范围，从而可以使得准确地从该M个探头天线模型中确定能够精确模拟发送第一信号的N个探头天线模型，从而可以提高探头天线确定装置确定与测量被测设备的探头天线向对应的探头天线模型的准确度。
本发明实施例提供一种探头天线确定方法，由于第一信号的信号特性参数可以准确地表示第一信号的辐射能量在各个方向上的分布情况，因此探头天线确定装置可以根据第一信号的信号特性参数，准确地模拟第一信号在真实环境中的辐射场景，从而可以根据其模拟出的辐射场景选择能够比较精确地发送第一信号的N个探头天线模型，如此可以根据该N个探头天线模型确定测试被测设备的探头天线，从而可以使得这些探头天线比较精确地发送第一信号，从而可以提高天线测试系统的测试精度。
可选的，本发明实施例中，在探头天线确定装置确定上述N个探头天线模型之后，探头天线确定装置可以先采用该N个探头天线模型模拟发送上述第一信号，并获取模拟到达接收端的信号相对于该第一信号的模拟精度值(例如本发明实施例中的第一精度值)；然后再判断该模拟精度值是否满足探头天线确定装置中预设的精度值，并在该模拟精度值不满足该预设的精度值的情况下，调整探头天线确定装置确定的N个探头天线模型，直到该精度值满足该预设的精度值。
示例性的，结合上述图3，如图8所示，在上述步骤201之后，本发明实施例提供的探头天线确定方法还可以包括下述的步骤202-步骤205。
步骤202、探头天线确定装置采用N个探头天线模型，模拟发送第一信号。
步骤203、探头天线确定装置获取第一精度值。
其中，上述第一精度值可以为第二信号相对于上述第一信号的模拟精度值，该第二信号可以为第一信号经过上述N个探头天线模型模拟发送后，到达接收端的信号。
本发明实施例中，在探头天线确定装置确定上述N个探头天线模型之后，探头天线确定装置可以采用该N个探头天线模型模拟发送上述第一信号，且探头天线可以获取(例如计算或者分析等方式)第一信号经过该N个探头天线模型模拟发送后，到达接收端的信号(即上述第二信号)，从而可以获取上述第一精度值。
可选的，本发明实施例中，上述第一精度值可以根据第二信号的辐射能量和第一信号的辐射能量确定，或者可以根据第二信号的功率和第一信号的功率确定。具体可以根据实际使用需求确定，本发明实施例不作限定。
示例性的，上述第一精度之可以为第二信号的辐射能量与第一信号的辐射能量之间的比值，或为第二信号的功率与第一信号的功率之间的比值，或第二信号的辐射能量(或功率)和第一信号的辐射能量(或功率)的差值的均方根值，等等。
当然，实际实现时，上述第一精度值还可以通过其它任意可能的方式得到，具体可以根据实际使用需求确定，本发明实施例中不作限定。
步骤204、探头天线确定装置确定第一精度值是否满足预设精度值。
本发明实施例中，在探头天线确定装置获取到上述第一精度值之后，探头天线确定装置可以确定该第一精度是否满足预设精度值，如果该第一精度值满足上述预设精度值，那么探头天线确定装置可以输出其确定的N个探头天线模型的结果或者第一精度值等任意可能的信息，如此测试人员可以根据该N个探头天线模型，选择被测设备 所处测试环境中的N个探头天线，并采用该N个探头天线测试被测设备的通信性能。如果该第一精度值不满足预设精度值，那么探头天线确定装置可以根据上述第一信号的信号特性信息，重新确定能够比较精确地模拟发送第一信号的探头天线模型(例如本发明实施例中的K个探头天线模型)。
可选的，本发明实施例中，上述第一精度值不满足预设精度值可以为第一精度值小于预设精度值，或者第一精度值大于第二精度值。具体可以根据实际使用需求确定，本发明实施例不作限定。
可选的，本发明实施例中，上述预设精度值可以为测试人员在探头天线确定装置中预置的数值，具体可以根据实际使用需求确定，本发明实施例不作限定。
步骤205、在第一精度值不满足预设精度值的情况下，探头天线确定装置根据第一信号的信号特性参数，从M个探头天线模型中重新确定K个探头天线模型。
其中，上述K个探头天线模型可以与上述N个探头天线模型部分不同，或全部不同，K为正整数。
本发明实施例中，在上述第一精度值不满足上述预设精度值的情况下，探头天线确定装置可以根据第一信号的信号特性参数，从上述M个探头天线模型中重新确定用于确定测试被测设备的探头天线模型(即上述K个探头天线模型)，直至第一精度之满足上述预设精度值。
可选的，本发明实施例中，上述探头天线确定装置重新确定上述K个探头天线模型的方式可以包括两种方式，分别为方式一和方式二。下面分别对这两种方式进行示例性的说明。
方式一：探头天线确定装置在上述N个探头天线模型的基础上，再从上述M个探头天线模型中选择i个探头天线模型，以确定上述K个探头天线模型，i为正整数。
可选的，对于上述方式一，上述K个探头天线模型可以与上述N个探头天线模型部分不同。
方式二：探头天线确定装置可以重新确定至少一个第一方向范围，再从上述M个探头天线模型中，确定与该至少一个第一方向范围对应的探头天线模型，以确定上述K个探头天线模型。
可选的，对于上述方式二，上述K个探头天线模型可能与上述N个探头天线模型部分不同，也可能与上述N个探头天线模型全部不同，具体可以根据实际使用需求确定，本发明实施例不作限定。
本发明实施例中，由于上述第一精度值可以指示上述N个探头天线模拟发送的第一信号到达接收端的信号相对于第一信号的模拟精度，因此探头天线确定装置可以根据该第一精度值确定其确定上述N个探头天线模型是否合适，在不合适的情况下，探头天线确定装置可以重新确定，直至确定出合适的探头天线模型。如此，可以根据这些合适的探头天线模型，选择能够比较精确地发送第一信号的探头天线，从而可以保证天线测试系统的精确度。
需要说明的是，本发明实施例中，上述各个附图所示的探头天线确定方法均是以结合本发明实施例中的一个附图为例示例性的说明的。具体实现时，上述各个附图所示探头天线确定方法还可以结合上述实施例中示意的其它可以结合的任意附图实现， 此处不再赘述。
如图9所示，本发明实施例提供一种探头天线确定装置500，该探头天线确定装置500包括确定模块501。确定模块501，用于根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型。其中，第一信号为模拟系统的发射信号经过无线信道模型处理后的信号，第一信号的信号特性参数包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度，该N个探头天线模型用于确定测试被测设备的探头天线，M和N均为正整数。
可选的，确定模块501，具体用于根据第一信号的信号特性参数，确定至少一个方向范围；并从M个探头天线模型中，确定与所有方向范围相对应的N个探头天线模型；该至少一个方向范围为从第一信号辐射的各个方向中确定的，且所有方向范围内的辐射能量值之和大于或等于预设阈值的方向范围。
可选的，确定模块501，还用于在确定至少一个方向范围之后，根据该至少一个方向范围，从M个探头天线模型的各个分布角度中，确定与至少一个方向范围内每个方向范围对应的至少一个角度范围，该M个探头天线模型的各个分布角度对应第一信号辐射的各个方向；确定模块501，具体用于从M个探头天线模型中，确定与所有角度范围相对应的N个探头天线模型。
可选的，结合图9，如图10所示，探头天线确定模型500还包括发送模块502和获取模块503。发送模块502，用于在确定模块501从M个探头天线模型中确定N个探头天线模型之后，采用N个探头天线模型，模拟发送第一信号；获取模块503，用于获取第一精度值，第一精度值为第二信号相对于发送模块502模拟发送的第一信号的模拟精度值，第二信号为第一信号经过N个探头天线模型模拟发送后，到达接收端的信号；确定模块501，还用于在获取模块503获取的第一精度值不满足预设精度值的情况下，根据第一信号的信号特性参数，从M个探头天线模型中重新确定K个探头天线模型；其中，该K个探头天线模型与上述N个探头天线模型部分不同，或全部不同，K为正整数。
可选的，M个探头天线模型的空间分布情况与被测设备所处的测试环境中的M个探头天线的空间分布情况一致。
本发明实施例提供的电子设备能够实现上述探头天线确定方法实施例中电子设备执行的各个过程，且能达到相同的技术效果，为避免重复，此处不再赘述。
本发明实施例提供一种探头天线确定装置，由于第一信号的信号特性参数可以准确地表示第一信号的辐射能量在各个方向上的分布情况，因此探头天线确定装置可以根据第一信号的信号特性参数，准确地模拟第一信号在真实环境中的辐射场景，从而可以根据其模拟出的辐射场景选择能够比较精确地发送第一信号的N个探头天线模型，如此可以根据该N个探头天线模型确定测试被测设备的探头天线，从而可以使得这些探头天线比较精确地发送第一信号，从而可以提高天线测试系统的测试精度。
图11为实现本发明各个实施例的一种探头天线确定装置的硬件示意图。如图11所示，探头天线确定装置100包括但不限于：射频单元101、网络模块102、音频输出单元103、输入单元104、传感器105、显示单元106、用户输入单元107、接口单元108、存储器109、处理器110、以及电源111等部件。本领域技术人员可以理解，图11中示出的探头天线确 定装置结构并不构成对探头天线确定装置的限定，探头天线确定装置可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本发明实施例中，探头天线确定装置包括但不限于手机、平板电脑、笔记本电脑、以及掌上电脑等。
其中，处理器110，可以用于根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型。其中，第一信号为模拟系统的发射信号经过无线信道模型处理后的信号，第一信号的信号特性参数包括以下至少一项：第一信号在各个方向上的辐射能量值、第一信号的角度功率谱密度，该N个探头天线模型用于确定测试被测设备的探头天线，M和N均为正整数。
可以理解，本发明实施例中，上述探头天线确定装置的结构示意图(例如图9)中的确定模块501可以通过上述处理器110实现。
本发明实施例提供一种探头天线确定装置，由于第一信号的信号特性参数可以准确地表示第一信号的辐射能量在各个方向上的分布情况，因此探头天线确定装置可以根据第一信号的信号特性参数，准确地模拟第一信号在真实环境中的辐射场景，从而可以根据其模拟出的辐射场景选择能够比较精确地发送第一信号的N个探头天线模型，如此可以根据该N个探头天线模型确定测试被测设备的探头天线，从而可以使得这些探头天线比较精确地发送第一信号，从而可以提高天线测试系统的测试精度。
应理解的是，本发明实施例中，射频单元101可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器110处理；另外，将上行的数据发送给基站。通常，射频单元101包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元101还可以通过无线通信系统与网络和其他设备通信。
探头天线确定装置通过网络模块102为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元103可以将射频单元101或网络模块102接收的或者在存储器109中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元103还可以提供与探头天线确定装置100执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元103包括扬声器、蜂鸣器以及受话器等。
输入单元104用于接收音频或视频信号。输入单元104可以包括图形处理器(graphics processing unit，GPU)1041和麦克风1042，图形处理器1041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元106上。经图形处理器1041处理后的图像帧可以存储在存储器109(或其它存储介质)中或者经由射频单元101或网络模块102进行发送。麦克风1042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元101发送到移动通信基站的格式输出。
探头天线确定装置100还包括至少一种传感器105，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板1061的亮度，接近传感器可在探头天线确定装置100移动到耳边时，关闭显示面板1061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用 于识别探头天线确定装置(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器105还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元106用于显示由用户输入的信息或提供给用户的信息。显示单元106可包括显示面板1061，可以采用液晶显示器(liquid crystal display，LCD)、有机发光二极管(organic light-emitting diode，OLED)等形式来配置显示面板1061。
用户输入单元107可用于接收输入的数字或字符信息，以及产生与探头天线确定装置的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元107包括触控面板1071以及其他输入设备1072。触控面板1071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板1071上或在触控面板1071附近的操作)。触控面板1071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器110，接收处理器110发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板1071。除了触控面板1071，用户输入单元107还可以包括其他输入设备1072。具体地，其他输入设备1072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板1071可覆盖在显示面板1061上，当触控面板1071检测到在其上或附近的触摸操作后，传送给处理器110以确定触摸事件的类型，随后处理器110根据触摸事件的类型在显示面板1061上提供相应的视觉输出。虽然在图11中，触控面板1071与显示面板1061是作为两个独立的部件来实现探头天线确定装置的输入和输出功能，但是在某些实施例中，可以将触控面板1071与显示面板1061集成而实现探头天线确定装置的输入和输出功能，具体此处不做限定。
接口单元108为外部装置与探头天线确定装置100连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元108可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到探头天线确定装置100内的一个或多个元件或者可以用于在探头天线确定装置100和外部装置之间传输数据。
存储器109可用于存储软件程序以及各种数据。存储器109可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器109可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器110是探头天线确定装置的控制中心，利用各种接口和线路连接整个探头天线确定装置的各个部分，通过运行或执行存储在存储器109内的软件程序和/或模块，以及调用存储在存储器109内的数据，执行探头天线确定装置的各种功能和处理数据，从而对探头天线确定装置进行整体监控。处理器110可包括一个或多个处理单元；可选的，处理器 110可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器110中。
探头天线确定装置100还可以包括给各个部件供电的电源111(比如电池)，可选的，电源111可以通过电源管理系统与处理器110逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，探头天线确定装置100包括一些未示出的功能模块，在此不再赘述。
可选的，本发明实施例还提供一种探头天线确定装置，包括如图11所示的处理器110，存储器109，存储在存储器109上并可在处理器110上运行的计算机程序，该计算机程序被处理器110执行时实现上述探头天线确定方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本发明实施例还提供一种计算机可读存储介质，计算机可读存储介质上存储有计算机程序，该计算机程序被如图11所示的处理器执行时实现上述探头天线确定方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。其中，该计算机可读存储介质可以包括只读存储器(read-only memory，ROM)、随机存取存储器(random access memory，RAM)、磁碟或者光盘等。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台电子设备(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本发明各个实施例所述的方法。
上面结合附图对本发明的实施例进行了描述，但是本发明并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本发明的启示下，在不脱离本发明宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本发明的保护之内。

Claims (14)

  1. 一种探头天线确定方法，应用于探头天线确定装置，其特征在于，所述方法包括：
    根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型，所述第一信号为模拟系统的发射信号经过无线信道模型处理后的信号，所述信号特性参数包括以下至少一项：所述第一信号在各个方向上的辐射能量值、所述第一信号的角度功率谱密度，所述N个探头天线模型用于确定测试被测设备的探头天线，M和N均为正整数。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型，包括：
    根据所述信号特性参数，确定至少一个方向范围，所述至少一个方向范围为从所述第一信号辐射的各个方向中确定的，且所有方向范围内的辐射能量值之和大于或等于预设阈值；
    从所述M个探头天线模型中，确定与所述所有方向范围相对应的N个探头天线模型。
  3. 根据权利要求2所述的方法，所述确定至少一个方向范围之后，所述方法还包括：
    根据所述至少一个方向范围，从所述M个探头天线模型的各个分布角度中，确定与所述至少一个方向范围内每个方向范围对应的角度范围，所述M个探头天线模型的各个分布角度对应所述第一信号辐射的各个方向；
    所述从所述M个探头天线模型中，确定与所述所有方向范围相对应的N个探头天线模型，包括：
    从所述M个探头天线模型中，确定与所有角度范围相对应的N个探头天线模型。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述从预设的M个探头天线模型中确定N个探头天线模型之后，所述方法还包括：
    采用所述N个探头天线模型，模拟发送所述第一信号；
    获取第一精度值，所述第一精度值为第二信号相对于所述第一信号的模拟精度值，所述第二信号为所述第一信号经过所述N个探头天线模型模拟发送后，到达接收端的信号；
    在所述第一精度值不满足预设精度值的情况下，根据所述信号特性参数，从所述M个探头天线模型中重新确定K个探头天线模型；
    其中，所述K个探头天线模型与所述N个探头天线模型部分不同，或全部不同，K为正整数。
  5. 根据权利要求1至3中任一项所述的方法，其特征在于，所述M个探头天线模型的空间分布情况与所述被测设备所处的测试环境中的M个探头天线的空间分布情况一致。
  6. 一种探头天线确定装置，其特征在于，所述探头天线确定装置包括确定模块；
    所述确定模块，用于根据第一信号的信号特性参数，从预设的M个探头天线模型中确定N个探头天线模型，所述第一信号为模拟系统的发射信号经过无线信道模型处 理后的信号，所述信号特性参数包括以下至少一项：所述第一信号在各个方向上的辐射能量值、所述第一信号的角度功率谱密度，所述N个探头天线模型用于确定测试被测设备的探头天线，M和N均为正整数。
  7. 根据权利要求6所述的探头天线确定装置，其特征在于，所述确定模块，具体用于根据所述信号特性参数，确定至少一个方向范围；并从所述M个探头天线模型中，确定与所有方向范围相对应的N个探头天线模型；所述至少一个方向范围为从所述第一信号辐射的各个方向中确定的，且所述所有方向范围内的辐射能量值之和大于或等于预设阈值的方向范围。
  8. 根据权利要求7所述的探头天线确定装置，其特征在于，所述确定模块，还用于在确定所述至少一个方向范围之后，根据所述至少一个方向范围，从所述M个探头天线模型的各个分布角度中，确定与所述至少一个方向范围内每个方向范围对应的角度范围，所述M个探头天线模型的各个分布角度对应所述第一信号辐射的各个方向；
    所述确定模块，具体用于从所述M个探头天线模型中，确定与所有角度范围相对应的N个探头天线模型。
  9. 根据权利要求6至8中任一项所述的探头天线确定装置，其特征在于，所述探头天线确定装置还包括发送模块和获取模块；
    所述发送模块，用于在所述确定模块从所述M个探头天线模型中确定所述N个探头天线模型之后，采用所述N个探头天线模型，模拟发送所述第一信号；
    所述获取模块，用于获取第一精度值，所述第一精度值为第二信号相对于所述发送模块模拟发送的所述第一信号的模拟精度值，所述第二信号为所述第一信号经过所述N个探头天线模型模拟发送后，到达接收端的信号；
    所述确定模块，还用于在所述获取模块获取的所述第一精度值不满足预设精度值的情况下，根据所述信号特性参数，从所述M个探头天线模型中重新确定K个探头天线模型；
    其中，所述K个探头天线模型与所述N个探头天线模型部分不同，或全部不同，K为正整数。
  10. 根据权利要求6至8中任一项所述的探头天线确定装置，其特征在于，所述M个探头天线模型的空间分布情况与所述被测设备所处的测试环境中的M个探头天线的空间分布情况一致。
  11. 一种探头天线确定装置，其特征在于，包括处理器、存储器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至5中任一项所述的探头天线确定方法的步骤。
  12. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质上存储计算机程序，所述计算机程序被处理器执行时实现如权利要求1至5中任一项所述的探头天线确定方法的步骤。
  13. 一种计算机程序产品，其特征在于，所述计算机程序产品被存储在非易失的存储介质中，所述计算机程序产品被至少一个处理器执行以实现如权利要求1至5中任一项所述的探头天线确定方法的步骤。
  14. 一种探头天线确定设备，其特征在于，所述探头天线确定设备被配置成用于 执行如权利要求1至5中任一项所述的探头天线确定方法。
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