CN115001549B - Terminal performance detection system and method - Google Patents
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- CN115001549B CN115001549B CN202210570201.XA CN202210570201A CN115001549B CN 115001549 B CN115001549 B CN 115001549B CN 202210570201 A CN202210570201 A CN 202210570201A CN 115001549 B CN115001549 B CN 115001549B
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0888—Throughput
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The disclosure provides a system and a method for detecting terminal performance. The system comprises: the system comprises an auxiliary test terminal, a shielding box body, a turntable, a wireless access point, a channel simulator, an auxiliary test server and a controller; the turntable in the shielding box body is used for placing the tested terminal; the controller is used for controlling each terminal to be accessed to the wireless access point, and is used for respectively configuring test conditions of the wireless access point and the channel simulator and controlling the turntable to rotate to a plurality of preset angles; the terminal comprises a tested terminal and an auxiliary test terminal; when the turntable rotates to each preset angle, the controller is also used for controlling the data stream transmission of the auxiliary test server side and the terminal to carry out data throughput test, recording the data throughput test results under each preset angle, and further determining the MU-MIMO performance of the tested terminal according to the data throughput test results of each preset angle. The system can automatically, efficiently, conveniently and accurately perform performance inspection on the terminal.
Description
Technical Field
The disclosure relates to the technical field of wireless communication, and in particular relates to a system and a method for detecting terminal performance.
Background
The conventional method for detecting the MU-MIMO (Multi User-Multiple Input Multiple Output ) performance of the terminal may be to first determine whether the terminal supports the MU-MIMO function of uplink and downlink by looking at a negotiation process, and if so, analyze that the control frame Sounding, trigger Beamforming Report Poll, action frame, PPDUFormat, beacon frame Ext Tag of the data frame in the message contains the HE capabilities field, or simply use the tested terminal to simply connect with the router, and perform rough calculation on the throughput gain in a single (e.g. one direction in a physical sense). However, the above method cannot perform MU-MIMO performance detection on the terminal from all directions.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The disclosure aims to provide a terminal performance detection method, a device, an electronic device and a storage medium, which can provide an omnibearing MU-MIMO performance detection environment which is matched with a real MU-MIMO environment, has repeatable scene and completely controllable environmental parameters and aims at a detected terminal, and the controllability, the comprehensiveness, the accuracy and the repeatability of a detection result are improved, so that the performance of the terminal can be automatically, efficiently, conveniently and accurately detected.
Other features and advantages of the present disclosure will be apparent from the following detailed description, or may be learned in part by the practice of the disclosure.
According to one aspect of the present disclosure, there is provided a terminal performance detection system including: the system comprises an auxiliary test terminal, a shielding box body, a turntable, a wireless access point, a channel simulator, an auxiliary test server and a controller; the auxiliary test terminal, the wireless access point, the channel simulator, the auxiliary test service end and the controller are arranged outside the shielding box body; the turntable is arranged in the shielding box body and is used for placing the tested terminal; the wireless access point is connected with the shielding box body through the channel simulator and is used for providing Wi-Fi signals of the wireless network; the channel simulator is used for converting Wi-Fi signals into test signals so that the test signals are introduced into the shielding box body; the auxiliary test terminal is connected with the shielding box body so that signals of the auxiliary test terminal are introduced into the shielding box body; the auxiliary test server is in a networking state, and the controller is respectively in communication connection with each terminal, the turntable, the wireless access point, the channel simulator and the auxiliary test server; the terminal comprises a tested terminal and an auxiliary test terminal; the controller is used for controlling each terminal to be accessed to the wireless access point, and is used for respectively configuring test conditions of the wireless access point and the channel simulator and controlling the turntable to rotate to a plurality of preset angles; when the turntable rotates to each preset angle, the controller is also used for controlling the data stream transmission of the auxiliary test server side and the terminal to carry out data throughput test, recording the data throughput test results under each preset angle, and further determining the MU-MIMO performance of the tested terminal according to the data throughput test results of each preset angle.
In one embodiment of the present disclosure, a MU-MIMO performance test script is configured on a controller; the controller is used for respectively carrying out test condition configuration on the wireless access point and the channel simulator, controlling the turntable to rotate to a plurality of preset angles, and comprises the following steps: the controller is used for determining test condition parameters and rotation parameters according to the MU-MIMO performance test script, further respectively carrying out test condition configuration on the wireless access point and the channel simulator according to the test condition parameters, and controlling the turntable to rotate to a plurality of preset angles according to the rotation parameters.
In one embodiment of the present disclosure, performing test condition configuration on a wireless access point and a channel simulator according to test condition parameters respectively includes: configuring a test frequency parameter, a test channel parameter and a test bandwidth parameter of the wireless access point according to the test condition parameter; and configuring delay parameters and attenuation parameters of the channel simulator according to the test parameters.
In one embodiment of the present disclosure, a channel emulator is configured to convert Wi-Fi signals to test signals, including: the channel simulator is used for converting Wi-Fi signals into test signals according to the time delay parameters and the attenuation parameters.
In one embodiment of the present disclosure, an auxiliary test terminal in a terminal performance detection system is directly connected to a wireless access point through radio frequency.
In one embodiment of the present disclosure, the terminal performance detection system further includes: a switch; the switch is in communication connection with the controller and is respectively connected with the wireless access point and the auxiliary test terminal, so that the controller controls the wireless access point and the auxiliary test terminal through the switch.
In one embodiment of the present disclosure, the number of terminals under test is 1, and the number of auxiliary test terminals is 1 or 3 or 7.
In one embodiment of the present disclosure, test data is configured on a terminal and an auxiliary test server; the controller is used for controlling the data stream transmission of the auxiliary test server and the terminal to carry out data throughput test, recording data throughput test results under each preset angle, and further determining MU-MIMO performance of the tested terminal according to the data throughput test results of each preset angle, and comprises the following steps: the controller is used for controlling the auxiliary test server to respectively transmit a first data stream to each terminal according to the test data, and controlling the auxiliary test server to simultaneously transmit a second data stream to all terminals according to the test data so as to perform downlink data throughput test, recording downlink data throughput test results under each preset angle, and further determining downlink MU-MIMO performance of the tested terminal according to the downlink data throughput test results under each preset angle; and/or the controller is used for controlling each terminal to transmit a third data stream to the auxiliary test server according to the test data respectively, and controlling all terminals to simultaneously transmit a fourth data stream to the auxiliary test server according to the test data so as to perform uplink data throughput test, recording uplink data throughput test results under each preset angle, and further determining uplink MU-MIMO performance of the tested terminal according to the uplink data throughput test results under each preset angle.
In one embodiment of the present disclosure, the plurality of preset angles includes a first angle; and when the turntable rotates to a first angle, performing downlink data throughput test, and recording downlink data throughput test results under the first angle, wherein the downlink data throughput test results comprise: when the turntable rotates to a first angle, the auxiliary test server transmits a first data stream to the tested terminal, and records the single-user tested downlink throughput of the tested terminal under the first angle; the auxiliary test server side respectively transmits a first data stream to each auxiliary test terminal, records each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under a first angle, and determines a single-user auxiliary downlink throughput average value under the first angle according to each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle; the auxiliary test server side simultaneously transmits a second data stream to all terminals, records the multi-user measured downlink throughput of the measured terminal under a first angle, records each multi-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle, and determines a multi-user auxiliary downlink throughput average value under the first angle according to each multi-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle; and taking the measured downlink throughput of the single user at the first angle, the average value of the auxiliary downlink throughput of the single user at the first angle, the measured downlink throughput of the multiple users at the first angle and the average value of the auxiliary downlink throughput of the multiple users at the first angle as downlink data throughput test results at the first angle.
In one embodiment of the present disclosure, determining downlink MU-MIMO performance of a tested terminal according to downlink data throughput test results of each preset angle includes: determining the single-user full-angle measured downlink throughput average TPut1 according to the single-user measured downlink throughput under each preset angle; determining single-user full-angle auxiliary downlink throughput average value TPut2 according to the single-user auxiliary downlink throughput average value under each preset angle; determining a multi-user full-angle measured downlink throughput average TPutMU1 according to the multi-user measured downlink throughput under each preset angle; determining multi-user full-angle auxiliary downlink throughput average TPutMU2 according to multi-user auxiliary downlink throughput average values under all preset angles; dividing the sum of the TPutMU1 and the TPutMU2 by the average value of the TPut1 and the TPut2 to obtain the downlink MU-MIMO gain of the tested terminal, and taking the downlink MU-MIMO gain as the downlink MU-MIMO performance.
According to still another aspect of the present disclosure, there is provided a terminal performance detection method, wherein the method is applied to a controller, and the controller is communicatively connected to a terminal under test, an auxiliary test terminal, a turntable, a wireless access point, a channel simulator, and an auxiliary test server, respectively; the method comprises the following steps: controlling the tested terminal and the auxiliary test terminal to be respectively connected to the wireless access point; the auxiliary test terminal is positioned outside the shielding box body, and signals of the auxiliary test terminal are introduced into the shielding box body; respectively configuring test conditions for the wireless access point and the channel simulator, and controlling the turntable to rotate to a plurality of preset angles; wherein the signal of the wireless access point is introduced into the shielded enclosure; when the turntable rotates to each preset angle, the controller controls the data stream transmission of the auxiliary test server side and the terminal to perform data throughput test; the terminal comprises a tested terminal and an auxiliary test terminal; and recording data throughput test results under each preset angle, and further determining MU-MIMO performance of the tested terminal according to the data throughput test results of each preset angle.
According to the terminal performance detection system provided by the embodiment of the disclosure, on one hand, a tested terminal is placed by using the turntable arranged in the shielding box body, so that external signal interference can be shielded; on the other hand, the signals of the auxiliary test terminal and the wireless access point are introduced into the shielding box body, so that an MU-MIMO application scene which aims at the tested terminal, shields external signal interference and is in a multi-user flow mode can be constructed in the shielding box body; on the other hand, the controller is used for configuring test conditions, controlling the turntable to rotate, controlling the data stream transmission between the auxiliary test server and the terminal to perform data throughput test, forming an omnibearing MU-MIMO performance detection environment which is matched with a real MU-MIMO environment and has repeatable scene and completely controllable environmental parameters and aims at the tested terminal in the shielding box, and improving the controllability, comprehensiveness, accuracy and repeatability of the detection result, so that the performance test can be automatically, efficiently, conveniently and accurately performed on the terminal.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
FIG. 1 illustrates a system architecture diagram of a terminal performance detection system of one embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a downlink data throughput test performed at a first angle and recording a downlink data throughput test result at the first angle in a terminal performance detection method according to an embodiment of the present disclosure;
fig. 3 is a flowchart illustrating determining downlink MU-MIMO performance of a measured terminal in a terminal performance detection method according to an embodiment of the present disclosure;
FIG. 4 illustrates a flow chart of a terminal performance detection method of one embodiment of the present disclosure;
FIG. 5 shows a flow chart of a terminal capability detection method of yet another embodiment of the present disclosure; and
fig. 6 is a block diagram showing a configuration of a computer system of a controller in the terminal performance detection system according to an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor devices and/or microcontroller devices.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise.
The Wi-Fi6 standard introduces key core technologies such as MU-MIMO (Multi User-Multiple Input Multiple Output, multi-User-Multi-input-Multi-output), OFDMA frequency division multiplexing, 1024QAM high-order coding and the like, and solves the problems of network capacity and transmission efficiency in the aspects of spectrum resource utilization efficiency, multi-User access and the like. Compared with the prior generation, the performance in aspects of spectrum bandwidth, speed, coverage area and the like is improved, so that the Wi-Fi network can provide users with larger bandwidth, higher transmission speed and longer transmission distance. The MU-MIMO is used as one of the key Wi-Fi6 technologies, the Wi-Fi6 MU-MIMO technology greatly improves the parallel data processing capacity of a plurality of Wi-Fi terminals, and the network overhead and the waste of spectrum resources, which are greatly increased due to the fact that the plurality of Wi-Fi terminals contend for resources, are avoided.
The conventional method for detecting the MU-MIMO performance of the terminal may be to first determine whether the terminal supports the uplink MU-MIMO function and the downlink MU-MIMO function by checking the negotiation process, and if so, analyze that the control frame Sounding, trigger Beamforming Report Poll, the Action frame, the PPDUFormat, beacon frame Ext Tag of the data frame in the message contains the HE capabilities field, or simply use the tested terminal to simply connect with the router, and perform rough calculation on the throughput gain in a single (e.g., one direction in a physical sense). However, the above method cannot perform MU-MIMO performance detection on the terminal from all directions.
Aiming at the technical problems in the related art, the embodiment of the disclosure provides a terminal performance detection system, which is used for at least solving one or all of the technical problems, so that a test scheme is more convenient and has lower cost, and meanwhile, a test scene is more real and repeatable, and the performance detection of a Wi-Fi 6 terminal can be realized from all directions.
Fig. 1 shows a system architecture schematic of a terminal performance detection system according to an embodiment of the present disclosure.
Referring to fig. 1, the system architecture may include:
terminals, which may include a terminal under test 1011 and an auxiliary test 1012, wherein the terminals (including the terminal under test 1011 and the auxiliary test 1012) may be Wi-Fi terminals having a multi-user-multiple input multiple output MU-MIMO function; the system architecture may further include: shield case 102, turntable 103, wireless access point 104, channel emulator 105, auxiliary test server 106, and controller 107.
In the terminal performance detection system shown in fig. 1, a turntable 103 may be provided in the shield case 102, and the turntable 103 may be used to place the terminal 1011 under test.
In an exemplary embodiment, the shielding housing 102 may be a cavity, and the shielding housing 102 may shield external signal interference. The turntable 103 arranged in the shielding box 102 can be a 3D liftable turntable, the height of the turntable 103 can be adjusted, and 360 degrees of free rotation can be performed. In some practical applications, the turntable 103 may also include fixing means for fixing the tested terminal 1011 on the turntable 103. In addition, the plane of the turntable 103 for placing the terminal under test 1011 may be horizontal or may have a certain inclination angle. With the above arrangement, the position and angle of the terminal 1011 to be tested can be adjusted by adjusting the position and angle of the turntable 103, thereby performing an omnibearing test on the terminal 1011 to be tested.
With continued reference to fig. 1, the wireless access point 104 may be coupled to the shielded enclosure 102 outside the shielded enclosure 102 through a channel emulator 105, and the wireless access point 104 may be configured to provide wireless network Wi-Fi signals; the channel emulator 105 may be used to convert Wi-Fi signals to test signals so that the test signals are introduced into the shielded enclosure 102. The auxiliary test terminals 1012 may be connected to the shielded enclosure 102 outside the shielded enclosure 102 such that signals of the auxiliary test terminals 1012 are introduced into the shielded enclosure 102.
In an exemplary embodiment, the wireless Access Point 104 may be an AP (Access Point) emulator; the auxiliary test server 106 may be a STA (Station) emulator, or may be a real terminal, for example, a terminal connected to a wireless network (such as a notebook computer, a PDA, and other user devices capable of being networked), or a network card may be used as the auxiliary test server 106.
In some embodiments, the auxiliary test terminal 1012 and the wireless access point 104 may be directly connected by radio frequency.
By introducing the signals of the auxiliary test terminal 1012 and the wireless access point 104 into the shielding box 102 according to the connection setup shown in fig. 1, an application scenario of MU-MIMO (Multi-User Multiple-Input Multiple-Output) with respect to the tested terminal 1011 and shielding external signal interference and in a Multi-User traffic mode can be constructed in the shielding box 102.
With continued reference to fig. 1, the auxiliary test server 106 may be in a networking state, and the controller 107 may be communicatively connected to each terminal (including the tested terminal 1011 and the auxiliary test terminal 1012), the turntable 103, the wireless access point 104, the channel emulator 105, and the auxiliary test server 106, respectively, outside the shielding case 102.
In some embodiments, the terminal performance detection system may further comprise a switch; one end of the switch may be communicatively coupled to the controller 107 and the other end may be respectively coupled to the wireless access point 104 and the auxiliary test terminal 1012 such that the controller 107 controls the wireless access point 104 and the auxiliary test terminal 1012 through the switch.
In an exemplary embodiment, the auxiliary test service end 106 may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, CDN (Content Delivery Network ), and basic cloud computing services such as big data and artificial intelligence platforms. The auxiliary test server 106 may be one server or a cluster formed by a plurality of servers, and the specific architecture of the server is not limited in this disclosure.
In an exemplary embodiment, the controller 107 may include, but is not limited to, a desktop computer, a tablet computer, a notebook computer, or the like type of electronic device, or the controller 107 may also be a personal computer, such as a laptop portable computer, or the like. Alternatively, the operating system running on the controller 107 may include, but is not limited to, an android system, an IOS system, a linux system, a windows system, and the like.
In the terminal performance detection system shown in fig. 1, the controller 107 may be configured to control each terminal (including the terminal under test 1011 and the auxiliary test terminal 1012) to access the wireless access point 104, and to perform test condition configuration on the wireless access point 104 and the channel emulator 105, respectively, and to control the turntable 103 to rotate to a plurality of preset angles.
In an exemplary embodiment, the plurality of preset angles may be angles between 0 ° and 360 °, for example, 12 angles of 0 °, 30 °, 60 °, … …, 330 ° set in 30 ° steps; the angles may be 8 angles of 0 °, 45 °, 90 °, … …, and 315 ° which are set in 45 ° steps.
The controller 107 may be further configured to control data stream transmission between the auxiliary test server 106 and the terminal (including the tested terminal 1011 and the auxiliary test terminal 1012) to perform a data throughput test when the turntable 103 rotates to each preset angle, and record a data throughput test result under each preset angle, so as to determine MU-MIMO performance of the tested terminal 1011 according to the data throughput test result of each preset angle.
After controlling each terminal (including the tested terminal 1011 and the auxiliary test terminal 1012) to access the wireless access point 104, the controller 107 may enable each terminal to be successfully allocated to an IP address, so as to implement data stream transmission for data throughput testing.
By the terminal performance detection system shown in fig. 1, an MU-MIMO performance detection environment which is matched with a real MU-MIMO environment, has repeatable scenes and completely controllable environmental parameters for the tested terminal 1011 can be formed in the shielding box 102.
In some embodiments, the controller 107 may have MU-MIMO performance test scripts configured thereon. The manner in which the controller 107 is configured to perform test condition configuration on the wireless access point 104 and the channel emulator 105, and control the turntable 103 to rotate to a plurality of preset angles may include: the controller 107 is configured to determine a test condition parameter and a rotation parameter according to the MU-MIMO performance test script, and further perform test condition configuration on the wireless access point 104 and the channel simulator 105 according to the test condition parameter, and control the turntable 103 to rotate to a plurality of preset angles according to the rotation parameter.
Further, in some embodiments, the manner of configuring the test conditions for the wireless access point 104 and the channel emulator 105 according to the test condition parameters may include: configuring a test frequency parameter, a test channel parameter and a test bandwidth parameter of the wireless access point 104 according to the test condition parameter; and configuring delay parameters and attenuation parameters of the channel emulator 105 according to the test parameters. Still further, in some embodiments, the manner in which the channel emulator 105 converts Wi-Fi signals to test signals may include: the channel emulator 105 is configured to convert the Wi-Fi signal into a test signal according to the delay parameter and the attenuation parameter.
For example, the test condition parameters may be configured such that the wireless access point 104 operates in the 5G frequency band, channel number 40, and then the signal is introduced to the shielded enclosure 102. And the delay parameters and attenuation parameters of the channel emulator may be configured so that the signal after being introduced into the shielded enclosure 102 satisfies the channel condition that the measured terminal 1011 is 2 meters away from the wireless access point 104.
In some embodiments, the number of terminals under test 1011 is 1 and the number of auxiliary test terminals 1012 may be 1 or 3 or 7.
When the number of auxiliary test terminals 1012 is 1, the number of terminals participating in the data throughput test (including the tested terminal 1011 and the auxiliary test terminal 1012) is 2, so as to evaluate the MU-MIMO gain performance (i.e. MU-MIMO performance) of the tested terminal 1011 under 2 users.
When the number of auxiliary test terminals 1012 is 3, the number of terminals participating in the data throughput test (including the tested terminal 1011 and the auxiliary test terminal 1012) is 4, so that the MU-MIMO gain performance (i.e., MU-MIMO performance) of the tested terminal 1011 under 4 users can be evaluated.
When the number of auxiliary test terminals 1012 is 7, the number of terminals participating in the data throughput test (including the tested terminal 1011 and the auxiliary test terminal 1012) is 8, so that the MU-MIMO gain performance (i.e., MU-MIMO performance) of the tested terminal 1011 under 8 users can be evaluated.
In some embodiments, the terminals (including the tested terminal 1011 and the auxiliary test terminal 1012) and the auxiliary test service terminal are configured with test data; the controller is configured to control data stream transmission between the auxiliary test server and the terminal (including the tested terminal 1011 and the auxiliary test terminal 1012) to perform a data throughput test, record data throughput test results under each preset angle, and further determine MU-MIMO performance of the tested terminal according to the data throughput test results of each preset angle, and may include:
the controller is used for controlling the auxiliary test server to respectively transmit a first data stream to each terminal according to the test data, and controlling the auxiliary test server to simultaneously transmit a second data stream to all terminals according to the test data so as to perform downlink data throughput test, recording downlink data throughput test results under each preset angle, and further determining downlink MU-MIMO performance of the tested terminal according to the downlink data throughput test results under each preset angle; and/or the number of the groups of groups,
the controller is used for controlling each terminal to respectively transmit a third data stream to the auxiliary test server according to the test data, and controlling all terminals to simultaneously transmit a fourth data stream to the auxiliary test server according to the test data so as to perform uplink data throughput test, recording uplink data throughput test results under each preset angle, and further determining uplink MU-MIMO performance of the tested terminal according to the uplink data throughput test results under each preset angle.
In this embodiment, a downlink MU-MIMO performance test result of the tested terminal may be obtained through a downlink data throughput test; and through the uplink data throughput test, an uplink MU-MIMO performance test result of the tested terminal can be obtained. In some practical applications, the downlink data throughput test and the uplink data throughput test may be both performed or only one of them may be performed according to the actual requirements.
In some embodiments, the plurality of preset angles includes a first angle. Fig. 2 is a flowchart illustrating a downlink data throughput test performed at a first angle and recording a downlink data throughput test result at the first angle in the terminal performance detection method according to an embodiment of the present disclosure.
As shown in fig. 2, when the turntable rotates to the first angle, the process of performing the downlink data throughput test and recording the data throughput test result under the first angle may include:
step S201, rotating the turntable to a first angle.
Step S203, the auxiliary test server transmits a first data stream to the tested terminal and records the single user tested downlink throughput of the tested terminal under a first angle.
Step S205, the auxiliary test server transmits a first data stream to each auxiliary test terminal, records each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under a first angle, and determines a single-user auxiliary downlink throughput average value under the first angle according to each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle.
In this step, the average of all the single-user auxiliary downlink throughput corresponding to the first angle may be calculated, so as to determine the average of the single-user auxiliary downlink throughput at the first angle.
Step S207, the auxiliary test server transmits the second data stream to all terminals at the same time, records the multi-user measured downlink throughput of the measured terminal under the first angle, records the corresponding multi-user auxiliary downlink throughput of each auxiliary test terminal under the first angle, and determines the average value of the multi-user auxiliary downlink throughput under the first angle according to the corresponding multi-user auxiliary downlink throughput under the first angle.
In this step, the average of all the multi-user auxiliary downlink throughput corresponding to the first angle may be calculated, so as to determine the average of the multi-user auxiliary downlink throughput at the first angle.
Step S209, the measured downlink throughput of the single user at the first angle, the average value of the downlink throughput of the single user assistance at the first angle, the measured downlink throughput of the multiple users at the first angle and the average value of the downlink throughput of the multiple users assistance at the first angle are used as downlink data throughput measurement results at the first angle.
Note that the execution order of step S203, step S205, and step S207 may not be limited, and it is only necessary to ensure that step S203, step S205, and step S207 occur after step S201 and before step S209.
In some practical applications, when the number of the auxiliary test terminals is 1, the downlink data throughput test is performed at the first angle, and the process of recording the test result may be:
firstly, the turntable is controlled to rotate to a first angle through the controller, and then, a first data stream only aiming at the auxiliary test terminal on the auxiliary test service end is started through the controller, wherein the first data stream can be, for example: 200Mbits/s/STA (UDP packet length 1470Byte,10 data streams) with duration of 60 seconds, and then recording single user auxiliary downlink throughput of the auxiliary test terminal; because the number of the auxiliary test terminals is 1, the single-user auxiliary downlink throughput average value is the numerical value of the single-user auxiliary downlink throughput.
And then starting a first data stream only aiming at the tested terminal on the auxiliary test server through the controller, wherein the first data stream can be: 200Mbits/s/STA (UDP packet length 1470Byte,10 data streams) with duration of 60 seconds, then records single user measured downstream throughput of the measured terminal at the first angle.
And then simultaneously starting a second data stream for the auxiliary test terminal and the tested terminal on the auxiliary test service end, wherein the second data stream can be: 100Mbits/s/STA (UDP packet length 1470Byte,10 data streams) with duration of 60 seconds, then recording multi-user measured downlink throughput of the measured terminal, and recording multi-user auxiliary downlink throughput of the auxiliary test terminal; because the number of the auxiliary test terminals is 1, the average value of the multi-user auxiliary downlink throughput is the numerical value of the multi-user auxiliary downlink throughput.
Fig. 3 is a flowchart illustrating determining downlink MU-MIMO performance of a terminal under test in the terminal performance detection method according to an embodiment of the present disclosure.
As shown in fig. 3, the method for determining the downlink MU-MIMO performance of the tested terminal according to the downlink data throughput test results of each preset angle may include:
step S301, determining a single-user full-angle measured downlink throughput average TPut1 according to the single-user measured downlink throughput under each preset angle.
In this step, the downlink throughput measured by the single user under all preset angles can be averaged, so as to determine the downlink throughput average TPut1 measured by the single user under all preset angles.
Step S303, determining single-user full-angle auxiliary downlink throughput average TPut2 according to the single-user auxiliary downlink throughput average under each preset angle.
In this step, the average value of the single-user auxiliary downlink throughput under all preset angles can be averaged, so as to determine the single-user full-angle auxiliary downlink throughput average value TPut2.
Step S305, determining the multi-user all-angle measured downlink throughput average TPutMU1 according to the multi-user measured downlink throughput under each preset angle.
In this step, the average value of the downlink throughput measured by multiple users under all preset angles can be calculated, so as to determine the downlink throughput average TPutMU1 measured by multiple users at all angles.
Step S307, determining a multi-user full-angle auxiliary downlink throughput average TPutMU2 according to the multi-user auxiliary downlink throughput average value under each preset angle.
In this step, the average value of the multi-user auxiliary downlink throughput under all preset angles can be averaged, so as to determine the multi-user full-angle auxiliary downlink throughput TPutMU2.
Step S309, dividing the sum of TPutMU1 and TPutMU2 by the average value of TPut1 and TPut2 to obtain the downlink MU-MIMO gain of the tested terminal, and taking the downlink MU-MIMO gain as the downlink MU-MIMO performance.
Note that the execution order of steps S301 to S307 may not be limited, and it is only necessary to ensure that steps S301 to S307 occur before step S309.
Similarly, the uplink data throughput test may be performed in a manner as shown in fig. 2 and fig. 3, and the uplink data throughput test results under each preset angle are recorded, so that the uplink MU-MIMO performance of the tested terminal is determined according to the uplink data throughput test results under each preset angle, which is not described herein.
Fig. 4 shows a flowchart of a terminal performance detection method of an embodiment of the present disclosure.
As shown in fig. 4, the method for detecting terminal performance provided by the embodiment of the present disclosure may include the following steps:
Step S401, providing a terminal and a shielding box body, wherein the terminal comprises a tested terminal and an auxiliary test terminal, and the terminal is a Wi-Fi terminal with a multi-user-multi-input multi-output MU-MIMO function; a turntable capable of rotating at multiple angles is arranged in the shielding box body and is used for placing a tested terminal; the auxiliary test terminal is connected to the shielding case outside the shielding case such that a signal of the auxiliary test terminal is introduced into the shielding case.
Step S403, providing a wireless access point and a channel simulator, wherein the wireless access point is connected with the shielding box body outside the shielding box body through the channel simulator, and provides Wi-Fi signals of a wireless network through the wireless access point; wi-Fi signals are converted into test signals by a channel emulator so that the test signals are introduced into the shielded enclosure.
Step S405, providing an auxiliary test server, where the auxiliary test server is in a networking state.
In step S407, a controller is provided, and the controller is respectively in communication connection with each terminal, the turntable, the wireless access point, the channel simulator and the auxiliary test server outside the shielding box.
Step S409, controlling each terminal to access to the wireless access point by the controller, and configuring test conditions for the wireless access point and the channel simulator by the controller respectively, and controlling the turntable to rotate to a plurality of preset angles.
Step S411, when the turntable rotates to each preset angle, the controller controls the data stream transmission of the auxiliary test server and the terminal to perform data throughput test, records the data throughput test result under each preset angle, and further determines the MU-MIMO performance of the tested terminal according to the data throughput test result of each preset angle.
Other details of the embodiment of fig. 4 may be found in the other embodiments described above.
In some embodiments, the controller controls each terminal to access to the wireless access point, and the controller configures test conditions for the wireless access point and the channel simulator respectively, and controls the turntable to rotate to a plurality of preset angles, including: acquiring a pre-configured MU-MIMO performance test script on a controller through the controller; and determining test condition parameters and rotation parameters according to the MU-MIMO performance test script by the controller, further respectively configuring the test conditions of the wireless access point and the channel simulator according to the test condition parameters, and controlling the turntable to rotate to a plurality of preset angles according to the rotation parameters.
In some embodiments, the wireless access point and the channel simulator are respectively configured with test conditions according to the test condition parameters by a controller, including: configuring, by a controller, a test frequency parameter, a test channel parameter, and a test bandwidth parameter of the wireless access point according to the test condition parameter; and configuring, by the controller, delay parameters and attenuation parameters of the channel emulator according to the test parameters.
In some embodiments, converting, by the channel emulator, the Wi-Fi signal to the test signal includes: wi-Fi signals are converted into test signals according to the time delay parameters and the attenuation parameters through a channel simulator.
In some embodiments, the auxiliary test terminal is directly connected with the wireless access point through radio frequency.
In some embodiments, the controller is communicatively coupled to the wireless access point and the channel emulator, respectively, comprising: the controller is in communication connection with the wireless access point and the channel simulator through the switch respectively, so that the controller controls the wireless access point and the auxiliary test terminal through the switch.
In some embodiments, the number of terminals under test is 1, and the number of auxiliary test terminals is 1 or 3 or 7.
In some embodiments, the controller controls the data stream transmission of the auxiliary test server and the terminal to perform data throughput test, and records data throughput test results under each preset angle, so as to determine MU-MIMO performance of the tested terminal according to the data throughput test results of each preset angle, including: acquiring test data pre-configured on the terminal through the terminal, and acquiring the test data pre-configured on the auxiliary test server through the auxiliary test server; the auxiliary test server is controlled by the controller to respectively transmit a first data stream to each terminal according to the test data, and simultaneously transmit a second data stream to all terminals according to the test data so as to perform downlink data throughput test, record downlink data throughput test results under each preset angle, and further determine downlink MU-MIMO performance of the tested terminal according to the downlink data throughput test results under each preset angle; and/or the controller controls each terminal to transmit a third data stream to the auxiliary test server according to the test data respectively, and controls all terminals to simultaneously transmit a fourth data stream to the auxiliary test server according to the test data so as to perform uplink data throughput test, records uplink data throughput test results under each preset angle, and further determines uplink MU-MIMO performance of the tested terminal according to the uplink data throughput test results under each preset angle.
In some embodiments, the plurality of preset angles includes a first angle; and when the turntable rotates to a first angle, performing downlink data throughput test, and recording downlink data throughput test results under the first angle, wherein the downlink data throughput test results comprise: when the turntable rotates to a first angle, the auxiliary test server transmits a first data stream to the tested terminal, and records the single-user tested downlink throughput of the tested terminal under the first angle; the auxiliary test server side respectively transmits a first data stream to each auxiliary test terminal, records each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under a first angle, and determines a single-user auxiliary downlink throughput average value under the first angle according to each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle; the auxiliary test server side simultaneously transmits a second data stream to all terminals, records the multi-user measured downlink throughput of the measured terminal under a first angle, records each multi-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle, and determines a multi-user auxiliary downlink throughput average value under the first angle according to each multi-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle; and taking the measured downlink throughput of the single user at the first angle, the average value of the auxiliary downlink throughput of the single user at the first angle, the measured downlink throughput of the multiple users at the first angle and the average value of the auxiliary downlink throughput of the multiple users at the first angle as downlink data throughput test results at the first angle.
In some embodiments, determining downlink MU-MIMO performance of the tested terminal according to downlink data throughput test results of each preset angle includes: determining the single-user full-angle measured downlink throughput average TPut1 according to the single-user measured downlink throughput under each preset angle; determining single-user full-angle auxiliary downlink throughput average value TPut2 according to the single-user auxiliary downlink throughput average value under each preset angle; determining a multi-user full-angle measured downlink throughput average TPutMU1 according to the multi-user measured downlink throughput under each preset angle; determining multi-user full-angle auxiliary downlink throughput average TPutMU2 according to multi-user auxiliary downlink throughput average values under all preset angles; dividing the sum of the TPutMU1 and the TPutMU2 by the average value of the TPut1 and the TPut2 to obtain the downlink MU-MIMO gain of the tested terminal, and taking the downlink MU-MIMO gain as the downlink MU-MIMO performance.
Fig. 5 shows a flowchart of a terminal performance detection method according to yet another embodiment of the present disclosure, which may be applied to a controller, which is communicatively connected to a terminal under test, an auxiliary test terminal, a turntable, a wireless access point, a channel emulator, and an auxiliary test server, respectively.
As shown in fig. 5, the method for detecting terminal performance provided by the embodiment of the present disclosure may include the following steps:
step S501, controlling a tested terminal and an auxiliary test terminal to be respectively connected to a wireless access point; the auxiliary test terminal is arranged outside the shielding box body, and signals of the auxiliary test terminal are introduced into the shielding box body.
Step S503, respectively configuring test conditions for the wireless access point and the channel simulator, and controlling the turntable to rotate to a plurality of preset angles; wherein the signal of the wireless access point is introduced into the shielded enclosure.
Step S505, when the turntable rotates to each preset angle, controlling the data stream transmission of the auxiliary test server and the terminal to perform data throughput test; the terminal comprises a tested terminal and an auxiliary test terminal.
Step S507, the data throughput test results under each preset angle are recorded, and then the MU-MIMO performance of the tested terminal is determined according to the data throughput test results of each preset angle.
Other details of the embodiment of fig. 5 may be found in the other embodiments described above.
It is noted that the above-described figures are only schematic illustrations of processes involved in a method according to an exemplary embodiment of the invention, and are not intended to be limiting. It will be readily appreciated that the processes shown in the above figures do not indicate or limit the temporal order of these processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, for example, among a plurality of modules.
Those skilled in the art will appreciate that the various aspects of the application may be implemented as a system, method, or program product. Accordingly, aspects of the application may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
Fig. 6 is a block diagram showing a configuration of a computer system of a controller in the terminal performance detection system according to an embodiment of the present disclosure.
It should be noted that, the computer system 600 of the control terminal shown in fig. 6 is only an example, and should not impose any limitation on the functions and the application scope of the embodiments of the present application.
As shown in fig. 6, the computer system 600 includes a central processing unit (Central Processing Unit, CPU) 601, which can perform various appropriate actions and processes according to a program stored in a Read-Only Memory (ROM) 602 or a program loaded from a storage section 608 into a random access Memory (Random Access Memory, RAM) 603, for example, performing the method described in the above embodiment. In the RAM 603, various programs and data required for system operation are also stored. The CPU 601, ROM 602, and RAM 603 are connected to each other through a bus 604. An Input/Output (I/O) interface 605 is also connected to bus 604.
The following components are connected to the I/O interface 605: an input portion 606 including a keyboard, mouse, etc.; an output portion 607 including a Cathode Ray Tube (CRT), a liquid crystal display (Liquid Crystal Display, LCD), and a speaker, etc.; a storage section 608 including a hard disk and the like; and a communication section 609 including a network interface card such as a LAN (Local Area Network ) card, a modem, or the like. The communication section 609 performs communication processing via a network such as the internet. The drive 610 is also connected to the I/O interface 605 as needed. Removable media 611 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed as needed on drive 610 so that a computer program read therefrom is installed as needed into storage section 608.
In particular, according to embodiments of the present application, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network through the communication portion 609, and/or installed from the removable medium 611. When executed by a Central Processing Unit (CPU) 601, performs the various functions defined in the system of the present application.
It should be noted that, the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-Only Memory (ROM), an erasable programmable read-Only Memory (Erasable Programmable Read Only Memory, EPROM), flash Memory, an optical fiber, a portable compact disc read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present application, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Where each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present application may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a touch terminal, or a network device, etc.) to perform the method according to the embodiments of the present application.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A terminal performance detection system, comprising: the system comprises an auxiliary test terminal, a shielding box body, a turntable, a wireless access point, a channel simulator, an auxiliary test server and a controller; wherein, the liquid crystal display device comprises a liquid crystal display device,
the auxiliary test terminal, the wireless access point, the channel simulator, the auxiliary test server and the controller are arranged outside the shielding box body; the turntable is arranged in the shielding box body and is used for placing a tested terminal;
The wireless access point is connected with the shielding box body through the channel simulator and is used for providing Wi-Fi signals of a wireless network; the channel simulator is used for converting the Wi-Fi signal into a test signal so that the test signal is introduced into the shielding box body;
the auxiliary test terminal is connected with the shielding box body so that signals of the auxiliary test terminal are introduced into the shielding box body;
the auxiliary test server is in a networking state, and the controller is respectively in communication connection with each terminal, the turntable, the wireless access point, the channel simulator and the auxiliary test server; the terminal comprises the tested terminal and the auxiliary test terminal; the terminal and the auxiliary test server are configured with test data;
the controller is used for controlling the terminals to be accessed to the wireless access point, and is used for respectively configuring test conditions of the wireless access point and the channel simulator and controlling the turntable to rotate to a plurality of preset angles;
when the turntable rotates to each preset angle, the controller is used for controlling the auxiliary test server to respectively transmit a first data stream to each terminal according to the test data and controlling the auxiliary test server to simultaneously transmit a second data stream to all terminals according to the test data so as to perform downlink data throughput test, record downlink data throughput test results under each preset angle and further determine downlink MU-MIMO performance of the tested terminal according to the downlink data throughput test results of each preset angle;
Determining the downlink MU-MIMO performance of the tested terminal according to the downlink data throughput test results of the preset angles, including:
determining the single-user full-angle measured downlink throughput average TPut1 according to the single-user measured downlink throughput under each preset angle;
determining single-user full-angle auxiliary downlink throughput average value TPut2 according to the single-user auxiliary downlink throughput average value under each preset angle;
determining a multi-user full-angle measured downlink throughput average TPutMU1 according to the multi-user measured downlink throughput under each preset angle;
determining multi-user full-angle auxiliary downlink throughput average TPutMU2 according to multi-user auxiliary downlink throughput average values under all preset angles;
dividing the sum of the TPutMU1 and the TPutMU2 by the average value of the TPut1 and the TPut2 to obtain the downlink MU-MIMO gain of the tested terminal, and taking the downlink MU-MIMO gain as the downlink MU-MIMO performance.
2. The system of claim 1, wherein the controller is configured with MU-MIMO performance test scripts;
the controller is configured to perform test condition configuration on the wireless access point and the channel simulator, and control the turntable to rotate to a plurality of preset angles, and includes:
The controller is used for determining test condition parameters and rotation parameters according to the MU-MIMO performance test script, further respectively configuring the test condition for the wireless access point and the channel simulator according to the test condition parameters, and controlling the turntable to rotate to a plurality of preset angles according to the rotation parameters.
3. The system of claim 2, wherein the wireless access point and the channel emulator are respectively configured with test conditions according to the test condition parameters, comprising:
configuring a test frequency parameter, a test channel parameter and a test bandwidth parameter of the wireless access point according to the test condition parameter; the method comprises the steps of,
and configuring delay parameters and attenuation parameters of the channel simulator according to the test condition parameters.
4. The system of claim 3, wherein the channel emulator is configured to convert the Wi-Fi signal to a test signal, comprising:
the channel simulator is used for converting the Wi-Fi signal into a test signal according to the time delay parameter and the attenuation parameter.
5. The system of claim 1, wherein the auxiliary test terminal is directly connected to the wireless access point via radio frequency.
6. The system of claim 1, further comprising: a switch;
the switch is in communication connection with the controller and is respectively connected with the wireless access point and the auxiliary test terminal, so that the controller controls the wireless access point and the auxiliary test terminal through the switch.
7. The system of claim 1, wherein the number of terminals under test is 1 and the number of auxiliary test terminals is 1 or 3 or 7.
8. The system according to any one of claims 1-7, wherein the controller is further configured to control the terminals to transmit a third data stream to the auxiliary test server according to the test data, and control all terminals to simultaneously transmit a fourth data stream to the auxiliary test server according to the test data, so as to perform an uplink data throughput test, record uplink data throughput test results under each preset angle, and further determine uplink MU-MIMO performance of the tested terminal according to the uplink data throughput test results under each preset angle.
9. The system of claim 1, wherein the plurality of preset angles comprises a first angle; and when the turntable rotates to a first angle, performing downlink data throughput test, and recording downlink data throughput test results under the first angle, wherein the downlink data throughput test results comprise:
When the turntable rotates to a first angle, the auxiliary test server transmits the first data stream to the tested terminal, and records the single-user tested downlink throughput of the tested terminal under the first angle;
the auxiliary test server side respectively transmits the first data stream to each auxiliary test terminal, records each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under a first angle, and determines a single-user auxiliary downlink throughput average value under the first angle according to each single-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle;
the auxiliary test server side simultaneously transmits the second data stream to all terminals, records the multi-user measured downlink throughput of the measured terminal under the first angle, records each multi-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle, and determines a multi-user auxiliary downlink throughput average value under the first angle according to each multi-user auxiliary downlink throughput corresponding to each auxiliary test terminal under the first angle;
and taking the measured downlink throughput of the single user at the first angle, the average value of the auxiliary downlink throughput of the single user at the first angle, the measured downlink throughput of the multiple users at the first angle and the average value of the auxiliary downlink throughput of the multiple users at the first angle as downlink data throughput measurement test results at the first angle.
10. The method is characterized in that the method is applied to a controller, and the controller is respectively in communication connection with a tested terminal, an auxiliary test terminal, a turntable, a wireless access point, a channel simulator and an auxiliary test server; the method comprises the following steps:
controlling the tested terminal and the auxiliary test terminal to be respectively accessed to the wireless access point; the auxiliary test terminal is positioned outside the shielding box body, and signals of the auxiliary test terminal are introduced into the shielding box body; test data are configured on the tested terminal, the auxiliary test terminal and the auxiliary test server;
the wireless access point and the channel simulator are respectively subjected to test condition configuration, and the turntable is controlled to rotate to a plurality of preset angles; wherein the signal of the wireless access point is introduced into the shielded enclosure;
when the turntable rotates to each preset angle, the auxiliary test server is controlled to respectively transmit a first data stream to each terminal according to the test data, and the auxiliary test server is controlled to simultaneously transmit a second data stream to all terminals according to the test data so as to perform downlink data throughput test, and downlink data throughput test results under each preset angle are recorded, so that downlink MU-MIMO performance of the tested terminal is determined according to the downlink data throughput test results of each preset angle; the terminal comprises a tested terminal and an auxiliary test terminal;
Determining the downlink MU-MIMO performance of the tested terminal according to the downlink data throughput test results of the preset angles, including:
determining the single-user full-angle measured downlink throughput average TPut1 according to the single-user measured downlink throughput under each preset angle;
determining single-user full-angle auxiliary downlink throughput average value TPut2 according to the single-user auxiliary downlink throughput average value under each preset angle;
determining a multi-user full-angle measured downlink throughput average TPutMU1 according to the multi-user measured downlink throughput under each preset angle;
determining multi-user full-angle auxiliary downlink throughput average TPutMU2 according to multi-user auxiliary downlink throughput average values under all preset angles;
dividing the sum of the TPutMU1 and the TPutMU2 by the average value of the TPut1 and the TPut2 to obtain the downlink MU-MIMO gain of the tested terminal, and taking the downlink MU-MIMO gain as the downlink MU-MIMO performance.
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