Method, apparatus, device and readable storage medium for testing wireless performance of equipment

Abstract

The application provides a method, device, equipment and readable medium for testing wireless performance of a device, which comprises the following steps: testing a three-dimensional spherical directional diagram of a wireless terminal device; rotating the wireless terminal device so that the wireless terminal device coincides with one face of the three-dimensional sphere; counting parameters of the rotated wireless terminal device; and calculating a total omnidirectional sensitivity value of the wireless terminal device. According to the difference in radiation characteristics, the application adopts a denser test grid for a stronger radiation area and a sparser test grid for a weaker radiation area, so that the test time is optimized to the maximum and the test efficiency is improved under the premise of ensuring the test accuracy. The application does not have a serious over-test problem, greatly reduces the test time and test workload, and improves the test accuracy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of testing device wireless performance, and particularly relates to a method and device for testing device wireless performance, equipment and readable storage medium. BACKGROUND

[0002] In the conventional wireless communication device SISO OTA performance testing technology, SISO refers to Single Input Single Output, and OTA refers to Over The Air, which is a method for testing the wireless performance of a device through an air link, and is mainly used for evaluating the radiation and receiving performance of the device.

[0003] The existing technology standard specifies that a uniform test grid with equal step distribution is adopted, and the test grid resolution required for TRP and TIS testing is 15° and 30° respectively. TRP (Total Radiated Power) and TIS (Total Isotropic Sensitivity) are two important performance indicators, which are respectively used for evaluating the transmitting and receiving performance of a wireless device, and the test grid resolution required for the two tests is 15° and 30° respectively.

[0004] In the above TRP and TIS testing process, the device under test is required to be in a maximum power transmitting state. For a 4G smart phone, the typical TRP / TIS test duration of each channel is 45 minutes and more than 60 minutes respectively; for a 5G smart phone, the typical test duration of each channel is more than 60 minutes and 120 minutes respectively. With the continuous introduction of new wireless communication systems and frequency bands, frequency band combinations, the problem of long test duration and low test efficiency existing in the existing test method is becoming more and more serious.

[0005] On the other hand, with the rapid development and continuous commercialization of wireless communication technology, more and more wireless communication devices with different radiation characteristics are emerging. For some devices / frequency bands, the TIS test grid (30 / 30, Theta / Phi) specified in the current standard has a higher test uncertainty than the test uncertainty limit value specified in the relevant standard, and there is a large test error. For the wireless communication device OTA testing method based on a full-wave anechoic chamber, the method for solving such a high test uncertainty is to use a denser test grid. Obviously, by using a denser test grid, the OTA test uncertainty can be reduced, thereby improving the related test precision and solving the test precision problem of some devices under test due to insufficient test grid resolution.

[0006] However, if the method (using a dense test grid) is indiscriminately extended to all devices to be tested, for most devices (the test grid specified in the current standard can already meet the relevant test uncertainty requirements), a large amount of test time and test workload will be additionally increased, without any improvement in test accuracy.

[0007] In addition, for a wireless communication device such as a mobile phone, its radiation characteristics are not uniform. That is, there are non-uniform and asymmetrically distributed strong radiation and weak radiation areas in its three-dimensional spherical pattern. The difference in radiation power between the strongest radiation area and the weakest radiation area exceeds 30 dB. Therefore, for a wireless terminal such as a mobile phone, according to the differences in its radiation characteristics, a more dense test grid should be used for the strong radiation area, and a more sparse test grid can be used for the weak radiation area, thereby optimizing the test time and improving the test efficiency to the maximum extent under the premise of ensuring the test accuracy. The existing standard specifies a uniform test grid with equal step distribution. For a wireless communication device with non-uniform radiation characteristics, the test accuracy can only be improved by increasing the sampling density (i.e., using a denser test grid), and it is impossible to adaptively adjust the test grid density for different radiation areas. Therefore, there is a serious problem of excessive testing. This will additionally increase a large amount of test time and test workload, without any improvement in test accuracy. SUMMARY

[0008] To solve the above technical problems in the prior art, the present application provides a method for testing the wireless performance of a device, comprising: testing the three-dimensional spherical pattern of a wireless terminal device; rotating the wireless terminal device so that the wireless terminal device coincides with one face in the three-dimensional sphere; counting the parameters of the rotated wireless terminal device; and calculating the total omnidirectional sensitivity value of the wireless terminal device.

[0009] Specifically, the step of testing the three-dimensional spherical pattern of the wireless terminal device comprises:

[0010] testing the three-dimensional spherical pattern of the wireless terminal device;

[0011] setting a first plane, a second plane and a third plane in the three-dimensional spherical pattern;

[0012] dividing the three-dimensional spherical pattern into two hemispheres according to the first plane, the second plane and the third plane, respectively;

[0013] calculating the statistical characteristic values corresponding to each hemisphere, respectively, and defining them as a first statistical characteristic value and a second statistical characteristic value;

[0014] statistical characteristic value of absolute value is defined as the absolute value of the statistical characteristic value;

[0015] The maximum value of the absolute value of the statistical characteristic value is screened out.

[0016] Specifically, the step of dividing the three-dimensional spherical directional diagram into two hemispherical surfaces according to the first plane, the second plane and the third plane comprises:

[0017] Taking the center of the three-dimensional spherical surface as the origin point;

[0018] A Cartesian coordinate system is established at the origin point to determine the XOY plane, the XOZ plane and the YOZ plane respectively;

[0019] The XOY plane is the first plane, the XOZ plane is the second plane, and the YOZ plane is the third plane.

[0020] The three-dimensional spherical directional diagram is divided into two hemispherical surfaces along the first plane, two hemispherical surfaces along the second plane, and two hemispherical surfaces along the third plane respectively.

[0021] Specifically, the step of calculating the statistical characteristic value corresponding to each hemispherical surface respectively, defining as the first statistical characteristic value and the second statistical characteristic value respectively, and calculating the absolute value of the difference between each group of the first statistical characteristic value and the second statistical characteristic value, defining as the absolute value of the statistical characteristic value, comprises the following calculation formula:

[0022] ;

[0023] ;

[0024] = ;

[0025] Wherein is the received signal-to-noise ratio of the wireless terminal device, is the first statistical characteristic value; is the second statistical characteristic value; is the absolute value of the difference between the first statistical characteristic value and the second statistical characteristic value; The number of received signal-to-noise ratios measured for each of the two hemispheres; Sphere-1 is the hemisphere corresponding to the first statistical eigenvalue; Sphere-2 is the hemisphere corresponding to the second statistical eigenvalue; i ranges from 1 to 3, respectively representing the cutting manner along the first plane, the second plane and the third plane, wherein i_1 and i_2 respectively represent the corresponding two hemispheres under the cutting manner.

[0026] Specifically, the step of rotating the wireless terminal device so that the wireless terminal device coincides with one of the faces of the three-dimensional sphere includes:

[0027] Recording the angular relationship between the three-dimensional spherical pattern and the wireless terminal device;

[0028] Calculating the absolute value of the difference of the statistical eigenvalues corresponding to the first plane, the second plane and the third plane respectively, and determining the maximum value, and defining the plane corresponding to the maximum value as the statistical eigenvalue absolute value maximum plane;

[0029] Rotating the wireless terminal device according to the relative angular relationship between the statistical eigenvalue absolute value maximum plane and the wireless terminal device, so that the statistical eigenvalue absolute value maximum plane after rotation coincides with the XOY plane.

[0030] Specifically, the step of calculating the parameters of the wireless terminal device after statistical rotation includes:

[0031] Using the XOY plane as a cutting plane, the test space is divided into two hemispheres above and below;

[0032] Identifying one of the two hemispheres with a larger statistical eigenvalue, defined as the first hemisphere;

[0033] Using a standard test grid or a dense test grid, measuring the first hemisphere's equivalent isotropically radiated power pattern, defined as the first pattern;

[0034] Identifying one of the two hemispheres with a smaller statistical eigenvalue, defined as the second hemisphere;

[0035] Using a sparse test grid, measuring the second hemisphere's equivalent isotropically radiated power pattern, defined as the second pattern;

[0036] Combining the first pattern and the second pattern into a third pattern;

[0037] According to the third pattern, calculating the total isotropic sensitivity value of the wireless terminal device.

[0038] Specifically, the step of calculating the total isotropic sensitivity value of the wireless terminal according to the third directional diagram comprises the following calculation formula:

[0039] ;

[0040] ;

[0041] ;

[0042] is the first half-sphere corresponding to the number of sampling points of the direction;

[0043] is the second half-sphere corresponding to the number of sampling points of the direction;

[0044] is the first half-sphere corresponding to the number of sampling points of the direction;

[0045] is the second half-sphere corresponding to the number of sampling points of the direction;

[0046] wherein N1 is the number of sampling points of the direction of the first half-sphere ; N2 is the number of sampling points of the direction of the second half-sphere ; and respectively are two direction vectors in the spherical coordinate system;

[0047] and respectively are sampling angle steps of the first half-sphere measurement grid and the second half-sphere measurement grid corresponding to the direction ;

[0048] EIS is the equivalent isotropic sensitivity;

[0049] TIS is the total isotropic sensitivity value, HIS1 is the value of the equivalent isotropic sensitivity of the first half-sphere, and HIS2 is the value of the equivalent isotropic sensitivity of the second half-sphere.

[0050] The application also provides a device for testing the wireless performance of a device, comprising:

[0051] a testing module for testing the three-dimensional spherical directional diagram of a wireless terminal device;

[0052] a rotating module, configured to rotate the wireless terminal device so that the wireless terminal device coincides with one of the faces of the three-dimensional sphere;

[0053] a statistical module, configured to count parameters of the rotated wireless terminal device;

[0054] a calculating module, configured to calculate a total omnidirectional sensitivity value of the wireless terminal device.

[0055] Specifically, the testing module comprises:

[0056] a testing unit, configured to test a three-dimensional spherical pattern of the wireless terminal device by using a specific test grid;

[0057] a first setting unit, configured to set a first plane, a second plane and a third plane in the three-dimensional spherical pattern;

[0058] a dividing unit, configured to divide the three-dimensional spherical pattern into two hemispheres according to the first plane, the second plane and the third plane;

[0059] a second setting unit, configured to respectively calculate statistical characteristic values corresponding to each of the hemispheres, respectively defined as a first statistical characteristic value and a second statistical characteristic value;

[0060] a statistical unit, configured to count absolute values of differences between each group of the first statistical characteristic value and the second statistical characteristic value, defined as absolute values of statistical characteristic values;

[0061] a screening unit, configured to screen a cutting plane corresponding to a maximum value of the absolute values of statistical characteristic values.

[0062] Specifically, a working process of the dividing unit comprises:

[0063] taking a spherical center of the three-dimensional sphere as an origin;

[0064] setting a Cartesian coordinate system at the origin to respectively determine an XOY plane, an XOZ plane and a YOZ plane;

[0065] the XOY plane is the first plane, the XOZ plane is the second plane, and the YOZ plane is the third plane;

[0066] the three-dimensional spherical pattern is divided into two hemispheres along the first plane, the three-dimensional spherical pattern is divided into two hemispheres along the second plane, and the three-dimensional spherical pattern is divided into two hemispheres along the third plane.

[0067] Specifically, a working process of the second setting unit and the statistical unit comprises the following calculation formula:

[0068] ;

[0069] ;

[0070] = ;

[0071] wherein is the received signal-to-noise ratio of the wireless terminal device, is the first statistical characteristic value; is the second statistical characteristic value; is the absolute value of the difference between the first statistical characteristic value and the second statistical characteristic value; is the number of the received signal-to-noise ratio measured by each of the hemispheres; Sphere-1 is the hemisphere corresponding to the first statistical characteristic value; Sphere-2 is the hemisphere corresponding to the second statistical characteristic value; i ranges from 1 to 3, respectively representing the cutting manner along the first plane, the second plane and the third plane, wherein i_1 and i_2 respectively represent the two hemispheres corresponding to the cutting manner.

[0072] wherein, rotating the wireless terminal device so that the wireless terminal device coincides with one of the faces of the three-dimensional sphere comprises:

[0073] recording the angular relationship between the three-dimensional spherical pattern and the wireless terminal device;

[0074] respectively calculating the absolute value of the difference between the statistical characteristic values corresponding to the first plane, the second plane and the third plane, and determining the maximum value thereof, and defining the plane corresponding to the maximum value as the statistical characteristic value absolute value maximum plane;

[0075] rotating the wireless terminal device according to the relative angular relationship between the statistical characteristic value absolute value maximum plane and the wireless terminal device, so that the statistical characteristic value absolute value maximum plane after rotation coincides with the XOY plane.

[0076] Specifically, the working steps of the statistical module include:

[0077] using the XOY plane as the cutting plane to divide the test space into two hemispheres;

[0078] identifying one of the two hemispheres with a larger statistical characteristic value as the first hemisphere;

[0079] measuring a pattern of the equivalent isotropically radiated power of the first half sphere using a standard test grid or a dense test grid, defined as a first pattern;

[0080] identifying one of the two half spheres with the smaller statistical characteristic value, defined as a second half sphere;

[0081] measuring a pattern of the equivalent isotropically radiated power of the second half sphere using a sparse test grid, defined as a second pattern;

[0082] combining the first pattern and the second pattern into a third pattern;

[0083] calculating a total isotropic sensitivity value of the wireless terminal device according to the third pattern.

[0084] Specifically, the step of calculating a total isotropic sensitivity value of the wireless terminal device according to the third pattern comprises the following calculation formula:

[0085] ;

[0086] ;

[0087] ;

[0088] for the first half sphere corresponding to the number of sampling points in the direction;

[0089] for the second half sphere corresponding to the number of sampling points in the direction;

[0090] for the first half sphere corresponding to the number of sampling points in the direction;

[0091] for the second half sphere corresponding to the number of sampling points in the direction;

[0092] wherein N1 is the number of sampling points in the direction of the first half sphere; N2 is the number of sampling points in the direction of the second half sphere; are two direction vectors in the spherical coordinate system, respectively;

[0093] and ​​These are the measurement grids corresponding to the first and second hemispheres, respectively. The sampling angle step size in the direction;

[0094] EIS stands for Equivalent Isotropic Sensitivity;

[0095] TIS is the total omnidirectional sensitivity value, HIS1 is the equivalent omnidirectional sensitivity value of the first hemisphere, and HIS2 is the equivalent omnidirectional sensitivity value of the second hemisphere.

[0096] This application also provides an apparatus, comprising:

[0097] Memory;

[0098] A processor; and a computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program to implement a method for the wireless performance of the test device.

[0099] This application also provides a computer-readable storage medium, characterized in that the computer-readable storage medium stores computer instructions, the computer instructions being used to cause a processor to execute the method for implementing the wireless performance of the test device.

[0100] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents. Attached Figure Description

[0101] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0102] Figure 1 This is a flowchart illustrating the method for testing the wireless performance of a device disclosed in this invention.

[0103] Figure 2 This is what the present invention discloses. Figure 1 A flowchart illustrating step S1 in the process;

[0104] Figure 3 yes Figure 1 A flowchart illustrating step S2 in the process;

[0105] Figure 4 yes Figure 1 A flowchart illustrating step S3 in the process;

[0106] Figure 5 The application also provides a device for testing wireless performance of a testing device;

[0107] Figure 6 The device for testing wireless performance of a testing device is as shown in the structural schematic diagram of a testing module 01 in the device. Figure 5

[0108] The device for testing wireless performance of a testing device is as shown in the structural schematic diagram of a rotating module 02 in the device. Figure 7 Figure 5 The device for testing wireless performance of a testing device is as shown in the structural schematic diagram of a statistical module 03 in the device.

[0109] Figure 8 Figure 5 The device for testing wireless performance of a testing device is as shown in the structural schematic diagram of a statistical module 03 in the device.

[0110] Figure 9 The application discloses an electronic device. DETAILED DESCRIPTION

[0111] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0112] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the application are only used to explain relative position relationships, movement conditions, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0113] In addition, the description such as "first", "second" and the like in the application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0114] ​​In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0115] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are feasible for those skilled in the art. If the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

[0116] like Figure 1 As shown, Figure 1 This is a flowchart illustrating the method for testing the wireless performance of a device disclosed in this invention. The method for testing the wireless performance of a device includes:

[0117] S1. Test the three-dimensional spherical orientation pattern of the wireless terminal device;

[0118] S2. Rotate the wireless terminal device so that the wireless terminal device coincides with one of the faces of the three-dimensional sphere;

[0119] S3. Calculate the parameters of the wireless terminal device after rotation;

[0120] S4. Calculate the total omnidirectional sensitivity value of the wireless terminal device.

[0121] like Figure 2 As shown, Figure 2 This is what the present invention discloses. Figure 1 A flowchart illustrating step S1; step S1 includes:

[0122] S11. Using a specific test grid, test the three-dimensional spherical orientation pattern of the wireless terminal device;

[0123] S12. Define a first plane, a second plane, and a third plane in the three-dimensional spherical orientation diagram;

[0124] S13. Based on the first plane, the second plane, and the third plane, the three-dimensional spherical pattern is divided into two hemispheres;

[0125] S14. Calculate the statistical characteristic value corresponding to each hemisphere, and define it as the first statistical characteristic value and the second statistical characteristic value respectively.

[0126] S15, statistics of the absolute value of the difference between the first statistical characteristic value and the second statistical characteristic value, defined as the absolute value of the statistical characteristic value;

[0127] S16, screening out the maximum value of the absolute value of the statistical characteristic value corresponding to the split plane.

[0128] It should be noted that the steps of S13 include:

[0129] The center of the three-dimensional spherical surface is taken as the origin;

[0130] A Cartesian coordinate system is established at the origin, and the XOY plane, XOZ plane and YOZ plane are determined respectively;

[0131] The XOY plane is the first plane, the XOZ plane is the second plane, and the YOZ plane is the third plane;

[0132] The three-dimensional spherical surface direction diagram is divided into two hemispheres along the first plane, two hemispheres along the second plane, and two hemispheres along the third plane.

[0133] Specifically, the steps of S14 and S15 include the following calculation formula:

[0134] ;

[0135] ;

[0136] = ;

[0137] Wherein is the received signal-to-noise ratio of the wireless terminal device, is the first statistical characteristic value; is the second statistical characteristic value; is the absolute value of the difference between the first statistical characteristic value and the second statistical characteristic value; is the number of received signal-to-noise ratios measured for each hemisphere; Sphere-1 is the hemisphere corresponding to the first statistical characteristic value; Sphere-2 is the hemisphere corresponding to the second statistical characteristic value; i ranges from 1 to 3, representing the split mode along the first plane, the second plane and the third plane respectively, wherein i_1 and i_2 represent the two hemispheres corresponding to the split mode respectively.

[0138] In another preferred embodiment of the present application, the step S14 and step S15 include the following calculation formula:

[0139] selecting the maximum value in corresponding split plane, at this time, the SNR pattern of the to-be-tested wireless terminal is split by using the plane, the radiation characteristics of the two hemispherical surfaces obtained are the most different. That is, one hemispherical surface corresponds to the relatively strongest radiation region, and the other hemispherical surface corresponds to the relatively weakest radiation region. In this way, the maximum radiation characteristic difference between the different hemispherical surface SNR patterns of the to-be-tested wireless terminal can be screened out.

[0140] At this time, the first plane, the second plane and the third plane are set as XOY plane, XOZ plane and YOZ plane in the Cartesian coordinate system, and the measured SNR pattern is divided into two hemispherical surface patterns, which correspond to the following respectively:

[0141] split by XOY plane, corresponding to the statistical characteristic value of all SNR values of the upper hemispherical surface, corresponding to the statistical characteristic value of all SNR values of the lower hemispherical surface;

[0142] split by XOZ plane, corresponding to the statistical characteristic value of all SNR values of the left hemispherical surface, corresponding to the statistical characteristic value of all SNR values of the right hemispherical surface;

[0143] split by YOZ plane, corresponding to the statistical characteristic value of all SNR values of the front hemispherical surface, corresponding to the statistical characteristic value of all SNR values of the back hemispherical surface;

[0144] when , the XOY plane is selected as the split plane;

[0145] when , the XOZ plane is selected as the split plane;

[0146] when , the YOZ plane is selected as the split plane.

[0147] According to the relative angle relationship with the to-be-tested wireless terminal, the to-be-tested wireless terminal is rotated, so that the plane after rotation coincides with the XOY plane. For example, when , the XOZ plane is selected as the split plane; at this time, if the maximum radiation hemisphere is the left hemisphere, the to-be-tested terminal is rotated clockwise by 90° around the X axis (that is, the SNR pattern ​), so that the XOZ plane coincides with the XOY plane, and the maximum radiation hemisphere after rotation is the upper hemisphere; if the maximum radiation hemisphere is the right hemisphere, rotate the terminal to be measured 90° counterclockwise around the X axis (i.e. the SNR direction pattern ), so that the XOZ plane coincides with the XOY plane, and the maximum radiation hemisphere after rotation is the upper hemisphere.

[0148] Please refer to Figure 3 , Figure 3 is Figure 1 the flowchart of step S2 in

[0149] S21, record the three-dimensional spherical direction pattern and the angle relationship of the wireless terminal device;

[0150] S22, calculate the absolute value of the difference of the statistical characteristic values corresponding to the first plane, the second plane and the third plane respectively, and determine the maximum value, and define the plane corresponding to the maximum value as the statistical characteristic value absolute value maximum plane;

[0151] S23, rotate the wireless terminal device according to the relative angle relationship between the statistical characteristic value absolute value maximum plane and the wireless terminal device, so that the statistical characteristic value absolute value maximum plane after rotation coincides with the XOY plane.

[0152] Please refer to Figure 4 , Figure 4 is Figure 1 the flowchart of step S3 in

[0153] S31, use the XOY plane as a cutting plane to divide the test space into two hemispheres;

[0154] S32, identify one of the two hemispheres with larger statistical characteristic value as the first hemisphere;

[0155] S33, use a standard test grid or a dense test grid to measure the directional pattern of the equivalent isotropic sensitivity of the first hemisphere, defined as the first directional pattern;

[0156] S34, identify the other hemisphere with smaller statistical characteristic value as the second hemisphere;

[0157] S35, use a sparse test grid to measure the directional pattern of the equivalent isotropic sensitivity of the second hemisphere, defined as the second directional pattern;

[0158] S36, combine the first directional pattern and the second directional pattern to obtain the third directional pattern;

[0159] S37. Calculate the total isotropic sensitivity value of the wireless terminal device according to the third directional pattern.

[0160] In one embodiment of the present application, the step S37 comprises the following calculation formula:

[0161] ;

[0162] ;

[0163] ;

[0164] N1 is the number of sampling points of the first hemisphere in the direction corresponding to ;

[0165] N2 is the number of sampling points of the second hemisphere in the direction corresponding to ;

[0166] N1 is the number of sampling points of the first hemisphere in the direction corresponding to ;

[0167] N2 is the number of sampling points of the second hemisphere in the direction corresponding to ;

[0168] wherein N1 is the number of sampling points of the first hemisphere in the direction ; N2 is the number of sampling points of the second hemisphere in the direction ;

[0169] and are the sampling angle steps in the direction corresponding to the first hemisphere measurement grid and the second hemisphere measurement grid, respectively;

[0170] EIS is the equivalent isotropic sensitivity;

[0171] TIS is the total isotropic sensitivity value, HIS1 is the value of the equivalent isotropic sensitivity of the first hemisphere, and HIS2 is the value of the equivalent isotropic sensitivity of the second hemisphere.

[0172] In one embodiment of the present application, in the hemisphere region with larger SNR statistical characteristic value, i.e., the upper hemisphere after rotation, the equivalent isotropic sensitivity directional pattern is measured using a standard test grid or a dense test grid, and is defined as For the hemispherical region with a small SNR statistical characteristic value, i.e., the lower hemisphere after rotation, the equivalent omnidirectional sensitivity pattern is measured using a sparse test grid, defined as... The specific selection method is as follows:

[0173] when For hemispherical regions with large SNR statistical characteristic values, a dense test grid (15 / 15) is used. / ), Measure the equivalent omnidirectional sensitivity pattern For hemispherical regions with small SNR statistical characteristic values, a sparse test grid (45 / 60) is used. / ), Measure the equivalent omnidirectional sensitivity pattern ;

[0174] when For hemispherical regions with larger SNR statistical characteristic values, a dense test grid (15 / 30) is used. / ), Measure the equivalent omnidirectional sensitivity pattern For hemispherical regions with small SNR statistical eigenvalues, a sparse test grid (30 / 60) is used. / ) or (45 / 45) / ), Measure the equivalent omnidirectional sensitivity pattern ;

[0175] when For hemispherical regions with large SNR statistical characteristic values, a standard test grid (30 / 30) is used. / ), Measure the equivalent omnidirectional sensitivity pattern For hemispherical regions with small SNR statistical characteristic values, a sparse test grid (30 / 45) is used. / ), Measure the equivalent omnidirectional sensitivity pattern .

[0176] Specifically, the step of calculating the total omnidirectional sensitivity value of the wireless terminal based on the third-party omnidirectional graph includes the following calculation formula:

[0177] ;

[0178] ;

[0179] ;

[0180] For the first hemisphere corresponding The number of sampling points in the direction;

[0181] For the second hemisphere corresponding The number of sampling points in the direction;

[0182] For the first hemisphere corresponding The number of sampling points in the direction;

[0183] For the second hemisphere corresponding The number of sampling points in the direction;

[0184] Where N1 is the first hemisphere The number of sampling points in the direction; N2 is the second hemisphere. The number of sampling points in the direction; These are two direction vectors in spherical coordinates;

[0185] and These are the measurement grids corresponding to the first and second hemispheres, respectively. The sampling angle step size in the direction;

[0186] EIS stands for Equivalent Isotropic Sensitivity;

[0187] TIS is the total omnidirectional sensitivity value, HIS1 is the equivalent omnidirectional sensitivity value of the first hemisphere, and HIS2 is the equivalent omnidirectional sensitivity value of the second hemisphere.

[0188] By employing the aforementioned technical means, this invention leverages the differences in radiation characteristics of the wireless terminal device under test across different hemispherical regions. It utilizes a denser test grid in areas with stronger radiation and a sparser grid in areas with weaker radiation, thereby optimizing test time and improving test efficiency while ensuring test accuracy. This invention avoids serious overtesting issues, significantly reducing test time and workload, and improving test accuracy.

[0189] Please see Figure 5 , Figure 5 The present invention also provides an apparatus for testing the wireless performance of a device; comprising:

[0190] Test module 01 is used to test the three-dimensional spherical orientation pattern of wireless terminal devices;

[0191] Rotation module 02 is used to rotate the wireless terminal device so that the wireless terminal device coincides with one of the surfaces of the three-dimensional sphere.

[0192] Statistics module 03 is used to count the parameters of the wireless terminal device after rotation;

[0193] The calculation module 04 is used to calculate the total omnidirectional sensitivity value of the wireless terminal device.

[0194] like Figure 6 As shown, Figure 6 Is it like this? Figure 5 The schematic diagram of the test module 01 in the device for testing the wireless performance of the equipment shown includes:

[0195] Test unit 011 is used to test the three-dimensional spherical orientation pattern of the wireless terminal device using a specific test grid;

[0196] The first setting unit 012 is used to set a first plane, a second plane, and a third plane in the three-dimensional spherical orientation diagram;

[0197] The dividing unit 013 is used to divide the three-dimensional spherical orientation pattern into two hemispheres based on the first plane, the second plane, and the third plane.

[0198] The second setting unit 014 is used to calculate the statistical characteristic value corresponding to each hemisphere, and define it as the first statistical characteristic value and the second statistical characteristic value respectively.

[0199] Statistical unit 015 is used to calculate the absolute value of the difference between the first statistical feature value and the second statistical feature value in each group, which is defined as the absolute value of the statistical feature value;

[0200] The filtering unit 016 is used to filter out the splitting plane corresponding to the maximum absolute value of the statistical feature value.

[0201] Specifically, the workflow of the partitioning unit includes:

[0202] The origin is the center of the three-dimensional sphere.

[0203] A Cartesian coordinate system is established at the origin to define the XOY, XOZ, and YOZ planes respectively.

[0204] The XOY plane is the first plane, the XOZ plane is the second plane, and the YOZ plane is the third plane;

[0205] The three-dimensional spherical pattern is divided into two hemispheres along the first plane, the second plane, and the third plane.

[0206] Specifically, the second setting unit 014 and the statistical unit 015 can use the following calculation formula:

[0207] ;

[0208] ;

[0209] = ;

[0210] in The received signal-to-noise ratio of the wireless terminal device. This is the first statistical characteristic value; This is the second statistical characteristic value; It is the absolute value of the difference between the first statistical characteristic value and the second statistical characteristic value; The number of received signal-to-noise ratios measured for each hemisphere; Sphere-1 is the hemisphere corresponding to the first statistical feature value; Sphere-2 is the hemisphere corresponding to the second statistical feature value; i ranges from 1 to 3, representing the division methods along the first plane, the second plane, and the third plane, respectively, wherein i_1 and i_2 represent the two hemispheres corresponding to the division methods.

[0211] In another preferred embodiment of the present invention, the second setting unit 014 and the statistical unit 015 employ:

[0212] choose The maximum value in The corresponding dividing plane, when used to divide the SNR pattern of the wireless terminal under test, results in two hemispheres with the greatest difference in radiation characteristics. That is, one hemisphere corresponds to the strongest radiation region, and the other to the weakest. This method allows us to identify the largest difference in radiation characteristics between the different hemispheres of the wireless terminal under test.

[0213] At this point, following the Cartesian coordinate system, the first plane, the second plane, and the third plane are designated as the XOY plane, the XOZ plane, and the YOZ plane, respectively. The measured SNR pattern is then... The orientation patterns are divided into two hemispherical surfaces, as shown below:

[0214] cutting along XOY plane, statistical characteristic value corresponding to all SNR values of upper hemisphere, statistical characteristic value corresponding to all SNR values of lower hemisphere;

[0215] cutting along XOZ plane, statistical characteristic value corresponding to all SNR values of left hemisphere, statistical characteristic value corresponding to all SNR values of right hemisphere;

[0216] cutting along YOZ plane, statistical characteristic value corresponding to all SNR values of front hemisphere, statistical characteristic value corresponding to all SNR values of back hemisphere;

[0217] when , XOY plane is selected as the cutting plane;

[0218] when , XOZ plane is selected as the cutting plane;

[0219] when , YOZ plane is selected as the cutting plane.

[0220] According to the relative angle relationship with the wireless terminal to be tested, the wireless terminal to be tested is rotated so that the plane after rotation coincides with XOY plane. For example, when , XOZ plane is selected as the cutting plane; at this time, if the maximum radiation hemisphere is left hemisphere, the wireless terminal to be tested is rotated clockwise by 90° around X axis (i.e. SNR pattern ) so that the XOZ plane coincides with XOY plane, and the maximum radiation hemisphere after rotation is upper hemisphere; if the maximum radiation hemisphere is right hemisphere, the wireless terminal to be tested is rotated counterclockwise by 90° around X axis (i.e. SNR pattern ) so that the XOZ plane coincides with XOY plane, and the maximum radiation hemisphere after rotation is upper hemisphere.

[0221] As Figure 7 shown, Figure 7 is a structural schematic diagram of a rotating module 02 in the device for testing wireless performance of equipment as Figure 5 shown, which comprises:

[0222] a recording unit 021 for recording the three-dimensional spherical pattern and the angle relationship of the wireless terminal equipment;

[0223] The coinciding unit 022 is configured to calculate absolute values of differences between statistical characteristic values corresponding to the first plane, the second plane, and the third plane respectively, and determine a maximum value of the absolute values, and define a plane corresponding to the maximum value as a statistical characteristic value absolute value maximum plane; and rotate the wireless terminal device according to a relative angle relationship between the statistical characteristic value absolute value maximum plane and the wireless terminal device, so that the statistical characteristic value absolute value maximum plane after rotation coincides with the XOY plane.

[0224] As shown in Figure 8 , Figure 8 is a structural schematic diagram of a statistical module 03 in an apparatus for testing wireless performance of a test device, as shown in Figure 5

[0225] The partition unit 031 is configured to divide a test space into two hemispherical planes by using the XOY plane as a partition plane.

[0226] The first identification size unit 032 is configured to identify one of the two hemispherical planes with a larger statistical characteristic value as a first hemispherical plane.

[0227] The first definition unit 033 is configured to measure a first directional diagram of an equivalent isotropic sensitivity of the first hemispherical plane by using a standard test grid or a dense test grid.

[0228] The second identification size unit 034 is configured to identify one of the two hemispherical planes with a smaller statistical characteristic value as a second hemispherical plane.

[0229] The second definition unit 035 is configured to measure a second directional diagram of an equivalent isotropic sensitivity of the second hemispherical plane by using a sparse test grid.

[0230] The synthesis unit 036 is configured to synthesize the first directional diagram and the second directional diagram into a third directional diagram.

[0231] The calculation sensitivity unit 037 is configured to calculate a total isotropic sensitivity value of the wireless terminal device according to the third directional diagram.

[0232] Further, the calculation sensitivity unit 37 can include the following calculation formula for operation:

[0233] ;

[0234] ;

[0235] ;

[0236] is a first hemispherical plane corresponding​ the number of sampling points in the direction;

[0237] for the second hemisphere corresponding to the number of sampling points in the direction;

[0238] for the first hemisphere corresponding to the number of sampling points in the direction;

[0239] for the second hemisphere corresponding to the number of sampling points in the direction;

[0240] wherein N1 is the number of sampling points in the direction of the first hemisphere; N2 is the number of sampling points in the direction of the second hemisphere; are respectively two direction vectors in the spherical coordinate system;

[0241] and are respectively the sampling angle step in the direction corresponding to the first hemisphere measurement grid and the second hemisphere measurement grid;

[0242] EIS is the equivalent isotropic sensitivity;

[0243] TIS is the total isotropic sensitivity value, HIS1 is the value of the equivalent isotropic sensitivity of the first hemisphere, and HIS2 is the value of the equivalent isotropic sensitivity of the second hemisphere.

[0244] In an embodiment of the present application, in the hemisphere region with larger SNR statistical characteristic value, i.e. the upper hemisphere after rotation, the standard test grid or the dense test grid is used to measure the equivalent isotropic sensitivity pattern, which is defined as ; for the hemisphere region with smaller SNR statistical characteristic value, i.e. the lower hemisphere after rotation, the sparse test grid is used to measure the equivalent isotropic sensitivity pattern, which is defined as . The specific selection method is as follows:

[0245] when , for the hemisphere region with larger SNR statistical characteristic value, the dense test grid (15 / 15 / ) is used to measure the equivalent isotropic sensitivity pattern ; for the hemisphere region with smaller SNR statistical characteristic value, the sparse test grid (45 / 60 / ​​​ ), measure the equivalent isotropic radiated power pattern ;

[0246] When , for the hemisphere region with larger SNR statistical eigenvalue, dense test grid (15 / 30 / ) is used to measure the equivalent isotropic radiated power pattern ; for the hemisphere region with smaller SNR statistical eigenvalue, sparse test grid (30 / 60 / ) or (45 / 45 / ) is used to measure the equivalent isotropic radiated power pattern ;

[0247] When , for the hemisphere region with larger SNR statistical eigenvalue, standard test grid (30 / 30 / ) is used to measure the equivalent isotropic radiated power pattern ; for the hemisphere region with smaller SNR statistical eigenvalue, sparse test grid (30 / 45 / ) is used to measure the equivalent isotropic radiated power pattern .

[0248] Specifically, the calculation module 04 can use the following calculation formula:

[0249] ;

[0250] ;

[0251] ;

[0252] is the number of sampling points of the first hemisphere corresponding to the direction;

[0253] is the number of sampling points of the second hemisphere corresponding to the direction;

[0254] is the number of sampling points of the first hemisphere corresponding to the direction;

[0255] is the number of sampling points of the second hemisphere corresponding to the the number of sampling points in the direction;

[0256] wherein N1 is the number of sampling points in the direction of the first half sphere N2 is the number of sampling points in the direction of the second half sphere the number of sampling points in the direction; are respectively two direction parameters in the vector coordinate system;

[0257] and are respectively the sampling angle step in the direction of the first half sphere measurement grid and the second half sphere measurement grid. the number of sampling points in the direction;

[0258] EIS is the equivalent isotropic sensitivity;

[0259] TIS is the total isotropic sensitivity value, HIS1 is the value of the equivalent isotropic sensitivity of the first half sphere, and HIS2 is the value of the equivalent isotropic sensitivity of the second half sphere.

[0260] As shown in Figure 9 The present application also provides an apparatus, in particular an electronic device 20, comprising:

[0261] a memory 21, a processor 22, and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for testing the wireless performance of the apparatus when executing the computer program.

[0262] The present application also provides a computer readable storage medium, which stores computer instructions for causing a processor to implement the method for testing the wireless performance of the apparatus when executed.

[0263] The device, the electronic device and the readable medium in the present application have the corresponding technical effects due to the adoption of the above method, which will not be repeated here.

[0264] The above description is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. A method of testing the wireless performance of a device, characterized by, Comprising: testing a three-dimensional spherical directional diagram of a wireless terminal device; setting a first plane, a second plane and a third plane in the three-dimensional spherical directional diagram; dividing the three-dimensional spherical directional diagram into two hemispherical surfaces respectively according to the first plane, the second plane and the third plane; calculating statistical characteristic values corresponding to each of the hemispherical surfaces respectively, and defining them as first statistical characteristic values and second statistical characteristic values respectively; counting absolute values of differences between each group of the first statistical characteristic values and the second statistical characteristic values, and defining them as absolute values of statistical characteristic values; screening a split plane corresponding to a maximum value of the absolute values of statistical characteristic values; rotating the wireless terminal device so that the wireless terminal device coincides with one plane in a three-dimensional spherical surface; counting parameters of the rotated wireless terminal device; calculating a total omnidirectional sensitivity value of the wireless terminal device. The step of dividing the three-dimensional spherical directional diagram into two hemispherical surfaces respectively according to the first plane, the second plane and the third plane comprises: taking a spherical center of the three-dimensional spherical surface as an origin; setting up a Cartesian coordinate system at the origin, and determining XOY plane, XOZ plane and YOZ plane respectively; the XOY plane is the first plane, the XOZ plane is the second plane, and the YOZ plane is the third plane; the three-dimensional spherical directional diagram is divided into two hemispherical surfaces respectively along the first plane, the second plane and the third plane; The step of rotating the wireless terminal device so that the wireless terminal device coincides with one plane in a three-dimensional spherical surface comprises: recording an angular relationship between the three-dimensional spherical directional diagram and the wireless terminal device; calculating absolute values of differences of statistical characteristic values corresponding to the first plane, the second plane and the third plane respectively, and determining a maximum value thereof, and defining a plane corresponding to the maximum value as a statistical characteristic value absolute value maximum plane; rotating the wireless terminal device according to a relative angular relationship between the statistical characteristic value absolute value maximum plane and the wireless terminal device, so that the rotated statistical characteristic value absolute value maximum plane coincides with the XOY plane.

2. The method of testing the performance of a wireless device of claim 1, wherein, The step of calculating statistical characteristic values corresponding to each of the hemispherical surfaces respectively, and defining them as first statistical characteristic values and second statistical characteristic values respectively, and counting absolute values of differences between each group of the first statistical characteristic values and the second statistical characteristic values, and defining them as absolute values of statistical characteristic values comprises the following calculation formula: ； ； = ； wherein is a received signal-to-noise ratio of the wireless terminal device, is the first statistical characteristic value; is the second statistical characteristic value; is an absolute value of a difference between the first statistical characteristic value and the second statistical characteristic value; is a number of the received signal-to-noise ratios measured for each of the hemispheres; Sphere-1 is a hemisphere corresponding to the first statistical characteristic value; Sphere-2 is a hemisphere corresponding to the second statistical characteristic value; i ranges from 1 to 3, respectively representing a cutting manner along the first plane, the second plane and the third plane, wherein i_1 and i_2 respectively represent two hemispheres corresponding to the cutting manner.

3. An apparatus for testing wireless performance of a device, the apparatus comprising: A device for realizing a method for testing wireless performance of a device as claimed in any one of claims 1 to 2, the device for testing wireless performance of a device comprising: a testing module for testing a three-dimensional spherical directional diagram of a wireless terminal device; a rotating module for rotating the wireless terminal device so that the wireless terminal device coincides with one plane in a three-dimensional spherical surface; a counting module for counting parameters of the rotated wireless terminal device; a calculation module for calculating a total omnidirectional sensitivity value of the wireless terminal device.

4. A device comprising: a memory; a processor; and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for testing the wireless performance of the device according to any one of claims 1 to 2 when executing the computer program.

5. A computer readable storage medium, characterized in that, The computer readable storage medium stores computer instructions for causing the processor to implement the method for testing the wireless performance of the device according to any one of claims 1 to 2 when executed.

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