Device and method for testing multichannel star network chain channel simulator

Abstract

The invention provides a multi-channel star network chain channel simulator testing device and method, and relates to the technical field of satellite communication. Multiple test tasks of a multi-channel star network chain channel simulator can be used as target test tasks one by one according to a test time sequence through a display control module; calling at least one target communication interface of the target test task from a plurality of communication interfaces through a signal transceiving module; measuring a target measurement parameter of the target test task based on the at least one target communication interface through a measurement module; receiving a measurement value of the target measurement parameter through a calculation module, and calculating a test result of the target test task according to the measurement value; storing a test result of the target test task through a storage module; and after the multiple test tasks are tested, obtaining and outputting test results of the test tasks from the storage module through the display control module. According to the invention, the measurement result accuracy and the measurement efficiency of the multichannel star network chain channel simulator can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of satellite communication, and in particular to a multi-channel satellite network link channel simulation simulator test device and method. Background Art

[0002] The multi-channel satellite network link channel simulation simulator is a wireless communication simulation instrument in wireless channel simulation instruments, which is specifically designed for satellite communication (space-ground, inter-satellite) with high bandwidth, high frequency, and high-order modulation. The multi-channel satellite network link channel simulation simulator can accurately simulate various complex phenomena in the satellite communication link, such as Doppler frequency shift, multipath effect, and path loss.

[0003] Currently, the main test instruments for the multi-channel satellite network link channel simulation simulator are vector network analyzers, spectrum analyzers, signal generators, etc. The test processes among these test instruments are relatively independent, resulting in the need to continuously replace the measuring instruments during the measurement process. In actual situations, external conditions such as temperature, humidity, and electromagnetic interference in the test environment may change over time, and at the same time, the performance of the hardware device may also change over time. Based on this, when testing the multi-channel satellite network link channel simulation simulator by frequently replacing the test instruments, on the one hand, each replacement of the test instrument will take a certain amount of time, resulting in a large difference in the test time of each test, and it is difficult to ensure the consistency of the test environment for each test. In this case, the test results are prone to cumulative errors due to differences in the external test environment; on the other hand, due to the inevitable jitter and even displacement of the multi-channel satellite network link channel simulation simulator during the replacement of the measuring instrument, this will also lead to a further increase in the cumulative error during the measurement process. Due to the above two reasons, when measuring the multi-channel satellite network link channel simulation simulator at present, both the accuracy of the measurement result and the measurement efficiency are relatively low; in addition, due to the non-sharing of data between instruments, it will also lead to complex statistics when counting the test results of different test items of the multi-channel satellite network link channel simulation simulator, further reducing the overall test efficiency. Summary of the Invention

[0004] The present invention provides a multi-channel satellite network link channel simulation simulator test device and method, which are used to solve the problem that both the accuracy of the measurement result and the measurement efficiency are relatively low when testing the multi-channel satellite network link channel simulation simulator in the prior art, and achieve the purpose of improving the accuracy of the measurement result and the measurement efficiency of the multi-channel satellite network link channel simulation simulator.

[0005] The present invention provides a multi-channel satellite network link channel simulation simulator test device, including the following modules: a display and control module, a signal transceiver module, a measurement module, a calculation module, and a storage module.

[0006] The display and control module is used to take each of multiple test tasks as a target test task according to the test timing of multiple test tasks of the multi-channel satellite network chain channel simulation simulator.

[0007] The signal transceiver module is used to call at least one target communication interface corresponding to the target test task among multiple local communication interfaces.

[0008] The measurement module is used to measure the target measurement parameters corresponding to the target test task through at least one target communication interface to obtain the measured values of the target measurement parameters.

[0009] The calculation module is used to calculate the test result of the target test task according to the measured value of the target measurement parameter from the measurement module.

[0010] The storage module is used to store the test result of the target test task from the calculation module.

[0011] The display and control module is further used to, after completing the test of each of multiple test tasks one by one, obtain the test results of each test task among multiple test tasks from the storage module and output the test results.

[0012] According to a test device for a multi-channel satellite network chain channel simulation simulator provided by the present invention, the multiple test tasks include at least one function test task and at least one performance test task.

[0013] According to a test device for a multi-channel satellite network chain channel simulation simulator provided by the present invention, the multiple communication interfaces include: a radio frequency interface and a dedicated test interface; at least one function test task includes: multiple input multiple output simulation test, large-scale networking simulation test, and satellite link simulation test; at least one performance test task includes: storage capacity test, storage depth test, resolution test, frequency range test, maximum working bandwidth test, Doppler maximum frequency shift test, link maximum attenuation range test, and maximum simulation delay test; the signal transceiver module is used to call the radio frequency interface when the target test task is a multiple input multiple output simulation test, a large-scale networking simulation test, a satellite link simulation test, a frequency range test, a resolution test, a maximum working bandwidth test, or a Doppler maximum frequency shift test; and call the dedicated test interface when the target test task is a storage capacity test, a storage depth test, a link maximum attenuation range test, or a maximum simulation delay test.

[0014] A test device for a multi-channel star network chain channel simulation simulator provided by the present invention. The multiple communication interfaces further include: a serial interface; the device further includes: a signal source module; the signal source module is used to send an excitation signal corresponding to a target test task to the multi-channel star network chain channel simulation simulator based on the serial interface; a signal transceiver module, which is used to call the serial interface and the radio frequency interface when the target test task is a multiple-input multiple-output simulation test, a large-scale networking simulation test, a satellite link simulation test, a frequency range test, a resolution test, a maximum operating bandwidth test, or a maximum Doppler frequency shift test.

[0015] A test device for a multi-channel star network chain channel simulation simulator provided by the present invention. The measurement module includes a spectrum analysis module and a vector network test module; the measurement module measures the target measurement parameters corresponding to the target test task based on the test interface to obtain the measured values of the target measurement parameters, including: when the target test task is a multiple-input multiple-output simulation test, the spectrum analysis module measures the output frequency of the multiple-input multiple-output simulation signal of the multi-channel star network chain channel simulation simulator based on the radio frequency interface; when the target test task is a large-scale networking simulation test, the spectrum analysis module measures the output frequency of the large-scale networking simulation signal of the multi-channel star network chain channel simulation simulator based on the radio frequency interface; when the target test task is a satellite link simulation test, the spectrum analysis module measures the output frequency of the satellite link simulation signal of the multi-channel star network chain channel simulation simulator based on the radio frequency interface; when the target test task is a resolution test, the spectrum analysis module measures the target output power of the satellite link simulator of the multi-channel star network chain channel simulation simulator based on the radio frequency interface; the target output power is less than the other output powers of the satellite link simulator of the multi-channel star network chain channel simulation simulator; when the target test task is a frequency range test or a maximum Doppler frequency shift test, the spectrum analysis module measures the output frequency of the multi-channel star network chain channel simulation simulator based on the radio frequency interface; when the target test task is a link maximum attenuation range test, the spectrum analysis module measures the output power of the multi-channel star network chain channel simulation simulator based on the radio frequency interface; when the target test task is a storage depth test or a storage capacity test, the vector network test module measures the number of stored signals of the multi-channel star network chain channel simulation simulator based on the dedicated test interface; when the target test task is a maximum operating bandwidth test, the vector network test module measures the output frequency when the output waveform attenuation of the multi-channel star network chain channel simulation simulator is -3 dB based on the dedicated test interface; when the target test task is a maximum simulation delay test, the vector network test module measures the simulation output delay of the multi-channel star network chain channel simulation simulator based on the dedicated test interface.

[0016] According to a multi-channel satellite network chain channel simulation simulator test device provided by the present invention, when the target test tasks are multiple-input multiple-output (MIMO) simulation tests, large-scale networking simulation tests, satellite link simulation tests, frequency range tests, and maximum Doppler frequency shift tests, the signal frequency of the excitation signal output by the signal source module is less than or equal to the target input power when the multi-channel satellite network chain channel simulation simulator operates, the output power of the vector network test module is less than or equal to the target input power, and the test frequency points of the spectrum analysis module are within the frequency range corresponding to the bandwidth of the multi-channel satellite network chain channel simulation simulator; wherein, the target input power is greater than other input powers when the multi-channel satellite network chain channel simulation simulator operates.

[0017] According to a multi-channel satellite network chain channel simulation simulator test device provided by the present invention, the test timing is a custom timing; before the display and control module takes multiple test tasks item by item as target test tasks, it is also used for: detecting whether there is a timing error in the custom timing; in the case of determining that there is a timing error in the custom timing, generating an error prompt message and ending the test process.

[0018] According to a multi-channel satellite network chain channel simulation simulator test device provided by the present invention, the device further includes: a bus communication module for transmitting communication signals, the bus communication module is connected to the display and control module, the signal transceiver module, the measurement module, and the calculation module, and the communication signals include: measurement values of target measurement parameters, test results of target test tasks, and control instructions sent by the display and control module to the signal transceiver module; wherein, the control instructions are used to instruct the signal transceiver module to call at least one communication interface corresponding to the target test task.

[0019] According to a multi-channel satellite network chain channel simulation simulator test device provided by the present invention, the device further includes: a power supply module for supplying power to the display and control module, the signal transceiver module, the measurement module, the calculation module, the storage module, the signal source module, and the bus communication module.

[0020] The present invention also provides a testing method for a multi-channel satellite network chain channel simulation simulator, which is applied to any of the above-mentioned testing devices for a multi-channel satellite network chain channel simulation simulator. The method includes: using the display and control module to sequentially take multiple testing tasks of the multi-channel satellite network chain channel simulation simulator as target testing tasks according to the testing time sequence; using the signal transceiver module to call at least one target communication interface corresponding to the target testing task among multiple communication interfaces of the signal transceiver module itself; using the measurement module to measure the target measurement parameters corresponding to the target testing task based on at least one target communication interface to obtain the measured values of the target measurement parameters; using the calculation module to receive the measured values of the target measurement parameters from the measurement module and calculate the test results of the target testing task according to the measured values of the target measurement parameters; using the storage module to store the test results of the target testing task; after completing the sequential testing of multiple testing tasks, using the display and control module to obtain the test results of each testing task among multiple testing tasks from the storage module and output the test results.

[0021] In the testing device and method for a multi-channel satellite network chain channel simulation simulator provided by the present invention, the testing device for a multi-channel satellite network chain channel simulation simulator includes a display and control module, a signal transceiver module, a measurement module, a calculation module, and a storage module. The present invention can, through the display and control module, sequentially take multiple testing tasks as target testing tasks according to the testing time sequence of multiple testing tasks of the multi-channel satellite network chain channel simulation simulator; through the signal transceiver module, can call the testing interface corresponding to the target testing task as the communication interface for communicating with the multi-channel satellite network chain channel simulation simulator; through the measurement module, can measure the target measurement parameters corresponding to the target testing task based on the testing interface to obtain the measured values of the target measurement parameters; through the calculation module, can calculate the test results of the target testing task according to the measured values of the target measurement parameters from the measurement module; through the storage module, can store the test results of the target testing task from the calculation module; through the display and control module, can also, after completing the sequential testing of multiple testing tasks, obtain the test results of each testing task among multiple testing tasks from the storage module and output the test results. Thus, it can be seen that the present invention can automatically test multiple testing tasks according to the testing time sequence of multiple testing tasks of the multi-channel satellite network chain channel simulation simulator, and there is no need to replace testing instruments during the testing process, thereby avoiding the cumulative error caused by continuously replacing testing instruments; at the same time, the process of sequentially testing multiple testing tasks is continuous, which can effectively shorten the time gap of multiple testing tasks, ensure the consistency of the testing environment of multiple testing tasks to the greatest extent, reduce the cumulative error, and improve the measurement result accuracy and measurement efficiency of the multi-channel satellite network chain channel simulation simulator. Description of the Drawings

[0022] To more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0023] Figure 1 It is one of the structural schematic diagrams of the multi-channel satellite network chain channel simulation simulator test device provided by the present invention.

[0024] Figure 2 It is the second structural schematic diagram of the multi-channel satellite network chain channel simulation simulator test device provided by the present invention.

[0025] Figure 3 It is one of the structural schematic diagrams of the signal transceiver module in the multi-channel satellite network chain channel simulation simulator test device provided by the present invention.

[0026] Figure 4 It is the third structural schematic diagram of the multi-channel satellite network chain channel simulation simulator test device provided by the present invention.

[0027] Figure 5 It is the second structural schematic diagram of the signal transceiver module in the multi-channel satellite network chain channel simulation simulator test device provided by the present invention.

[0028] Figure 6 It is the flow schematic diagram of the multi-channel satellite network chain channel simulation simulator test method provided by the present invention. Detailed implementation manners

[0029] To make the objectives, technical solutions, and advantages of the present invention clearer, the following will clearly and completely describe the technical solutions in the present invention in conjunction with the drawings in the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] The following combines Figures 1-5 to describe the multi-channel satellite network chain channel simulation simulator test device of the present invention.

[0031] Figure 1 It is one of the structural schematic diagrams of the multi-channel satellite network chain channel simulation simulator test device provided by the present invention. As Figure 1 shown, the multi-channel satellite network chain channel simulation simulator test device 100 includes: a display and control module 101, a signal transceiver module 102, a measurement module 103, a calculation module 104, and a storage module 105.

[0032] Figure 1 The connection lines therein represent communication connections. As Figure 1 shown, the display and control module 101 is respectively communicatively connected to the signal transceiver module 102, the calculation module 104, and the storage module 105. The signal transceiver module 102 is respectively communicatively connected to the measurement module 103, the calculation module 104, and the storage module 105.

[0033] In some embodiments, in order to simplify the connection lines between modules, as Figure 2 shown, a bus communication module 106 may be provided. The bus communication module 106 is used to transmit communication signals.

[0034] As Figure 2 shown, the bus communication module 106 is connected to the display and control module 101, the signal transceiver module 102, the calculation module 104, and the storage module 105, and the measurement module 103 is connected to the bus communication module 106 through the signal transceiver module 102, thereby realizing communication between the above-mentioned multiple modules.

[0035] The communication signals transmitted by the bus communication module 106 include: the measured values of the target measurement parameters, the test results of the target test tasks, and the control instructions sent by the display and control module 101 to the signal transceiver module 102. Among them, the control instructions are used to instruct the signal transceiver module 102 to call at least one communication interface corresponding to the target test task. The measured values of the above-mentioned target measurement parameters, the test results of the target test tasks, and at least one communication interface corresponding to the target test task can be referred to the relevant descriptions in the subsequent embodiments, and will not be elaborated here.

[0036] Next, the above-mentioned multiple functional modules will be introduced in sequence.

[0037] The display and control module 101 is used to take multiple test tasks item by item as target test tasks according to the test timings of multiple test tasks of the multi-channel satellite network chain channel simulation simulator.

[0038] As Figure 1 shown, the display and control module 101 can interact with the human-machine interface (i.e., Figure 1 the user interface in) for information interaction. Through the display and control module 101, relevant information can be called from other modules in the multi-channel satellite network chain channel simulation simulator test device 100 and displayed to the user through the user interface.

[0039] When testing the multi-channel satellite network chain channel simulation simulator, the user can set the test timing in advance through the user interface.

[0040] Specifically, at least one default timing that has been set in advance can be stored in the storage module 105. The display and control module 101 can obtain the above at least one default timing from the storage module 105 and output the at least one default timing to the user interface for display. In this case, the user can select one default timing from the at least one default timing as the test timing through the user interface.

[0041] The at least one default timing can be a task timing pre-set by professionals for testing multiple test tasks of the multi-channel star network chain channel simulation simulator. In this case, even if the user is not highly professional, they can, with the assistance of the default timing, test multiple test tasks of the multi-channel star network chain channel simulation simulator, effectively avoiding situations such as large errors in test results and inability to efficiently determine the test timing caused by insufficient professionalism of technicians, and improving the test efficiency.

[0042] In some examples, the user may not set the test timing. For example, the user interface has shown at least one default timing to the user, but the user has not selected one default timing from the at least one default timing as the test timing. In this case, the display and control module 101 can directly select one default timing from the at least one default timing as the test timing.

[0043] In some examples, multiple test tasks can be pre-stored in the storage module 105. The display and control module 101 can obtain the multiple test tasks from the storage module 105 and output the multiple test tasks to the user interface for display to the user. The user can default that all the currently displayed test tasks are the test tasks to be tested in the user interface, or can select multiple tasks from all the test tasks displayed in the user interface as the test tasks to be tested.

[0044] In the case where the at least one default timing includes multiple default timings and the user selects some test tasks from all the test tasks displayed in the user interface as the multiple test tasks to be tested, a default timing that matches the multiple test tasks can be determined from the multiple default timings, and the default timing is determined as the test timing.

[0045] In some embodiments, the user can also set a custom timing through the user interface, and in this case, the custom timing is used as the test timing. In the case of using the custom timing as the test timing, the embodiments of the present invention can also detect whether there is a timing error in the custom timing; in the case of determining that there is a timing error in the custom timing, an error prompt message is generated and the test process is ended to ensure that there are no errors in the task test timing during the test process of the multi-channel star network chain channel simulation simulator, further ensuring the accuracy of the test results, and effectively avoiding the situation of low test efficiency caused by errors in the custom timing.

[0046] In some examples, the process of detecting whether there is a timing error in a custom timing sequence can be as follows: The occurrence conditions of the timing error can be preset. For example, multiple test tasks include test task A1, test task A2, test task A3, ……, test task An (n is a positive integer). In actual situations, test task A3 cannot be before test task A2 in the test timing sequence, that is, test task A3 cannot be executed when test task A2 has not been executed, otherwise the test result will be greater than the expected error (the expected error is confirmed by those skilled in the art according to the actual situation), or the test efficiency will be reduced, etc. In this case, the occurrence conditions of the timing error can be set to include: test task A3 is before test task A2 in the test timing sequence. Based on this, if test task A3 is before test task A2 in the custom timing sequence, it can be determined that there is a custom timing error, and an error prompt message is generated to end the test process.

[0047] After determining the test timing sequence, the display and control module 101 can take multiple test tasks item by item as the target test tasks according to the test timing sequence.

[0048] The above multiple test tasks can include at least one functional test task and at least one performance test task.

[0049] In some examples, the functional test tasks and performance test tasks that the multi-channel satellite network chain channel simulation simulator test device 100 can execute are shown in Table 1.

[0050] Table 1

[0051] Of course, it can be understood that the multiple test tasks can also only include multiple functional test tasks, or can also only include multiple performance test tasks. For example, it only includes multiple functional test tasks such as multiple-input multiple-output (MIMO) simulation tests, large-scale networking simulation tests, and satellite link simulation tests; or only includes multiple performance test tasks such as storage capacity tests, storage depth tests, resolution tests, frequency range tests, maximum working bandwidth tests, Doppler maximum frequency shift tests, link maximum attenuation range tests, and maximum simulation delay tests.

[0052] In specific implementation, it can be defaulted that all test tasks in Table 1 need to be tested. When the user does not select test tasks, all test tasks in Table 1 are determined as the multiple test tasks to be tested. It is also possible to display all test tasks in Table 1 to the user through the user interface for the user to select, and all the test tasks selected by the user are determined as the multiple test tasks to be tested.

[0053] Please continue to refer to Figure 1 or Figure 2, after the display and control module 101 takes one of multiple test tasks as the target test task according to the test timing sequence, it can send a test instruction of the target test task to the signal transceiver module 102 to start the test for the target test task. The signal transceiver module 102 can interact with the multi-channel satellite network chain channel simulation simulator under test. After receiving the test instruction of the target test task, the signal transceiver module 102 calls at least one target communication interface corresponding to the target test task among multiple local communication interfaces. The target communication interface is used to interact with the multi-channel satellite network chain channel simulation simulator under test.

[0054] In some embodiments, the multiple communication interfaces may include: a radio frequency interface and a dedicated test interface.

[0055] The radio frequency interface can be, for example, an interface for transmitting and receiving radio frequency signals.

[0056] The dedicated test interface can be, for example, an interface for transmitting and receiving pulsed electrical signals, or an interface for transmitting and receiving variable frequency signals, or an interface for transmitting and receiving simulated delay signals.

[0057] In specific implementation, different target test tasks may require different target communication interfaces to be called in the signal transceiver module 102.

[0058] In some embodiments, when the target test task is a multiple-input multiple-output (MIMO) simulation test, a large-scale networking simulation test, a satellite link simulation test, a frequency range test, a resolution test, a maximum operating bandwidth test, or a maximum Doppler frequency shift test, the signal transceiver module 102 calls the radio frequency interface.

[0059] In some embodiments, when the target test task is a storage capacity test, a storage depth test, a maximum link attenuation range test, or a maximum simulation delay test, the signal transceiver module 102 calls the dedicated test interface.

[0060] In some examples, as Figure 3 shown, the signal transceiver module 102 may include a radio frequency interface 1021, a dedicated test interface 1022, an arithmetic unit 1023, a controller 1024, and a memory 1025.

[0061] The arithmetic unit 1023 is used to receive the test instructions of the target test task from the display and control module 101, calculate the number of target communication interfaces, the test timing, and the interface signal transceiver logic corresponding to the target test task (i.e., the logic of receiving and sending signals during the test process of the target test task, which can be specifically set by those skilled in the art according to the actual situation), send the calculation results to the controller 1024, and the controller 1024 controls each communication interface among the multiple communication interfaces to be enabled or disabled according to the above calculation results. The memory 1025 is used to store the signal transceiver logs of each communication interface. The content of the signal transceiver logs includes information such as interface enable or disable information and interface data flow.

[0062] Figure 3 The interface bus in is the bus connecting the bus communication module.

[0063] In the case where the target test task is a multiple-input multiple-output simulation test, a large-scale networking simulation test, a satellite link simulation test, a frequency range test, a resolution test, a maximum operating bandwidth test, or a maximum Doppler frequency shift test, an excitation signal also needs to be input to the multi-channel satellite network link channel simulation simulator under test during the test process. In this case, in the multi-channel satellite network link channel simulation simulator test device 100 shown in Figure 1 and Figure 2 , an excitation signal can be sent to the multi-channel satellite network link channel simulation simulator under test through an external device to implement the test of the target test task.

[0064] In some embodiments, in order to enable the multi-channel satellite network link channel simulation simulator test device 100 to independently complete each link in the test process of the target test task, there is no need for an external device to assist in sending the excitation signal. As shown in Figure 4 , the multi-channel satellite network link channel simulation simulator test device 100 may further include: a signal source module 107. In this case, as shown in Figure 5 , the multiple communication interfaces in the signal transceiver module 102 further include: a serial interface 1026.

[0065] The signal source module 107 is communicatively connected to the signal transceiver module 102.

[0066] The signal source module 107 is used to send the excitation signal corresponding to the target test task to the multi-channel satellite network link channel simulation simulator based on the serial interface 1026.

[0067] In some embodiments, to ensure the accuracy of test results, when the signal source module 107 sends an excitation signal corresponding to a target test task to the multi-channel satellite network chain channel simulation simulator, the following rules may be followed: in the case where the target test task is multiple-input multiple-output (MIMO) simulation test, large-scale networking simulation test, satellite link simulation test, frequency range test, or Doppler maximum frequency shift test, the signal frequency of the excitation signal output by the signal source module 107 is less than or equal to the target input power when the multi-channel satellite network chain channel simulation simulator is working, the output power of the vector network test module 1032 (see Figure 4 and the corresponding introduction in the following text) is less than or equal to the target input power, and the test frequency points of the spectrum analysis module 1031 (see Figure 4 and the corresponding introduction in the following text) are within the frequency range corresponding to the bandwidth of the multi-channel satellite network chain channel simulation simulator; wherein, the target input power is greater than other input powers when the multi-channel satellite network chain channel simulation simulator is working.

[0068] Of course, it can be understood that in specific implementations, the setting conditions for the signal source module 107 to send an excitation signal corresponding to a target test task to the multi-channel satellite network chain channel simulation simulator can also be set in the user interface according to actual situations, so as to set the specific parameters (such as signal frequency) of the excitation signal emitted by the signal source module 107, achieving the purpose of flexibly adjusting the excitation signal.

[0069] The signal transceiver module 102 is configured to call the serial interface and the radio frequency interface in the case where the target test task is MIMO simulation test, large-scale networking simulation test, satellite link simulation test, frequency range test, resolution test, maximum operating bandwidth test, or Doppler maximum frequency shift test.

[0070] Through the design of the multi-channel satellite network chain channel simulation simulator test device 100 as shown in Figure 4 , the multi-channel satellite network chain channel simulation simulator test device 100 can independently complete each link in the test process of the target test task, further reducing the test error and improving the test efficiency.

[0071] As shown in Figure 1 and Figure 2 , the measurement module 103 is communicatively connected to the signal transceiver module 102 and is configured to measure the target measurement parameters corresponding to the target test task through at least one target communication interface to obtain the measured values of the target measurement parameters.

[0072] In some embodiments, as shown in Figure 4 , the measurement module 103 may include: a spectrum analysis module 1031 and a vector network test module 1032.

[0073] Exemplarily, in the case where the target test task is a multiple-input multiple-output (MIMO) simulation test, the target measurement parameter is the output frequency of the MIMO simulation signal. The spectrum analysis module 1031 can measure the output frequency of the MIMO simulation signal of the multi-channel satellite network chain channel simulation simulator based on the radio frequency interface 1021.

[0074] Exemplarily, in the case where the target test task is a large-scale networking simulation test, the target measurement parameter is the output frequency of the large-scale networking simulation signal. The spectrum analysis module 1031 can measure the output frequency of the large-scale networking simulation signal of the multi-channel satellite network chain channel simulation simulator based on the radio frequency interface 1021.

[0075] Exemplarily, in the case where the target test task is a satellite link simulation test, the target measurement parameter is the output frequency of the satellite link simulation signal. The spectrum analysis module 1031 can measure the output frequency of the satellite link simulation signal of the multi-channel satellite network chain channel simulation simulator based on the radio frequency interface 1021.

[0076] Exemplarily, in the case where the target test task is a resolution test, the target measurement parameter is the output signal power of the multi-channel satellite network chain channel simulation simulator. The spectrum analysis module 1031 can measure the target output power of the multi-channel satellite network chain channel simulation simulator based on the radio frequency interface 1021; wherein, the target output power is less than the other output powers of the multi-channel satellite network chain channel simulation simulator, and the target output power is the minimum output power of the multi-channel satellite network chain channel simulation simulator.

[0077] Exemplarily, in the case where the target test task is a frequency range test or a Doppler maximum frequency shift test, the target measurement parameter is the output frequency of the multi-channel satellite network chain channel simulation simulator. The spectrum analysis module 1031 can measure the output frequency of the multi-channel satellite network chain channel simulation simulator based on the radio frequency interface 1021.

[0078] Exemplarily, in the case where the target test task is a link maximum attenuation range test, the target measurement parameter is the output power of the multi-channel satellite network chain channel simulation simulator. The spectrum analysis module 1031 can measure the output power of the multi-channel satellite network chain channel simulation simulator based on the radio frequency interface 1021.

[0079] Exemplarily, in the case where the target test task is a storage depth test or a storage capacity test, the target measurement parameter is the number of stored signals of the multi-channel satellite network chain channel simulation simulator. The vector network test module 1032 can measure the number of stored signals of the multi-channel satellite network chain channel simulation simulator based on the dedicated test interface 1022.

[0080] Exemplarily, in the case where the target test task is the maximum working bandwidth test, the target measurement parameter is the output frequency when the output waveform attenuation of the multi-channel star network chain channel simulation simulator is -3 dB. The vector network test module 1032 can measure the output frequency when the output waveform attenuation of the multi-channel star network chain channel simulation simulator is -3 dB based on the dedicated test interface 1022.

[0081] Exemplarily, in the case where the target test task is the maximum simulation delay test, the target measurement parameter is the simulation output delay of the multi-channel star network chain channel simulation simulator. The vector network test module 1032 can measure the simulation output delay of the multi-channel star network chain channel simulation simulator based on the dedicated test interface 1022.

[0082] The calculation module 104 is configured to calculate the test result of the target test task according to the measured value of the target measurement parameter from the measurement module.

[0083] The test result of the target test task can be calculated according to the parameter value of the target measurement parameter and the preset calculation formula, and the test result of the target test task is sent to the storage module 105 for storage.

[0084] In some embodiments, the calculation module 104 can also correspond the parameter value of the target measurement parameter and the test result of the target test task, and send the parameter value of the target measurement parameter and the test result of the target test task to the storage module 105 for storage.

[0085] The preset calculation formula, as well as parameters such as constants and variables in the calculation formula, can be set according to the actual situation of the device under test and industry data that can be referred to during the test.

[0086] The storage module 105 is configured to store the test result of the target test task from the calculation module.

[0087] In the case where the calculation module 104 sends the parameter value of the target measurement parameter and the test result of the target test task to the storage module 105, the storage module 105 stores the parameter value of the target measurement parameter and the test result of the target test task.

[0088] The storage module 105 can also store the basic information of the multi-channel star network chain channel simulation simulator under test (such as device model, device name, etc.). The basic information of the multi-channel star network chain channel simulation simulator can come from the display control module 101.

[0089] The display control module 101 is further configured to, after completing the tests on multiple test tasks item by item, obtain the test results of each test task in the multiple test tasks from the storage module 105 and output the test results.

[0090] In some embodiments, the display and control module 101 can also set user permissions. Authorized users who access and view the test results can query the data stored in the storage module 105 of the multi-channel satellite network chain channel simulation simulator test device 100 through the user interface corresponding to the display and control module 101.

[0091] In some embodiments, as Figure 4 shown, the multi-channel satellite network chain channel simulation simulator test device 100 may further include: a power supply module 108. The power supply module 108 is electrically connected to the display and control module 101, the signal transceiver module 102, the measurement module 103, the calculation module 104, the storage module 105, the bus communication module 106, and the signal source module 107 ( Figure 4 the dotted line in indicates electrical connection, and the solid line indicates communication connection), and is used to supply power to the display and control module 101, the signal transceiver module 102, the measurement module 103, the calculation module 104, the storage module 105, the bus communication module 106, and the signal source module 107.

[0092] In the multi-channel satellite network chain channel simulation simulator test device provided by the present invention, the multi-channel satellite network chain channel simulation simulator test device includes a display and control module, a signal transceiver module, a measurement module, a calculation module, and a storage module. The present invention can, through the display and control module, take multiple test tasks item by item as target test tasks according to the test timing of multiple test tasks of the multi-channel satellite network chain channel simulation simulator; through the signal transceiver module, call the test interface corresponding to the target test task as the communication interface for communicating with the multi-channel satellite network chain channel simulation simulator; through the measurement module, measure the target measurement parameters corresponding to the target test task based on the test interface to obtain the measured values of the target measurement parameters; through the calculation module, calculate the test results of the target test task according to the measured values of the target measurement parameters from the measurement module; through the storage module, store the test results of the target test task from the calculation module; through the display and control module, after completing the tests on multiple test tasks item by item, the test results of each test task in the multiple test tasks can also be obtained from the storage module and output. Thus, it can be seen that the present invention can automatically test multiple test tasks according to the test timing of multiple test tasks of the multi-channel satellite network chain channel simulation simulator, and there is no need to replace test instruments during the test process, thereby avoiding cumulative errors caused by continuously replacing test instruments; at the same time, the process of testing multiple test tasks item by item is continuous, which can effectively shorten the time gap between multiple test tasks, ensure the consistency of the test environment of multiple test tasks to the greatest extent, reduce cumulative errors, and improve the measurement result accuracy and measurement efficiency of the multi-channel satellite network chain channel simulation simulator.

[0093] The following describes the test method for the multi-channel satellite network chain channel simulation simulator provided by the present invention. The test method for the multi-channel satellite network chain channel simulation simulator described below can be correspondingly referred to the test device for the multi-channel satellite network chain channel simulation simulator described above.

[0094] Figure 6 FIG. is a flowchart of the test method for the multi-channel satellite network chain channel simulation simulator provided by an embodiment of the present invention. This method is applied to any one of the test devices 100 for the multi-channel satellite network chain channel simulation simulator introduced above. As Figure 6 shown, this method includes the following S610 to S660.

[0095] S610: Use the display and control module to take multiple test tasks of the multi-channel satellite network chain channel simulation simulator item by item as the target test task according to the test timing.

[0096] S620: Call at least one target communication interface corresponding to the target test task among multiple communication interfaces of the signal transceiver module by the signal transceiver module.

[0097] S630: Measure the target measurement parameter corresponding to the target test task based on at least one target communication interface by the measurement module to obtain the measured value of the target measurement parameter.

[0098] S640: Receive the measured value of the target measurement parameter from the measurement module by the calculation module, and calculate the test result of the target test task according to the measured value of the target measurement parameter.

[0099] S650: Store the test result of the target test task by the storage module.

[0100] S660: After completing the test of multiple test tasks item by item, obtain the test results of each test task among the multiple test tasks from the storage module by the display and control module, and output the test results.

[0101] In the multi-channel satellite network chain channel simulation simulator test method provided by the present invention, multiple test tasks of the multi-channel satellite network chain channel simulation simulator can be taken as target test tasks item by item according to the test timing sequence through the display and control module; at least one target communication interface corresponding to the target test task can be called in multiple communication interfaces of the signal transceiver module by the signal transceiver module; the target measurement parameters corresponding to the target test task can be measured based on at least one target communication interface by the measurement module to obtain the measured values of the target measurement parameters; the calculation module receives the measured values of the target measurement parameters from the measurement module and calculates the test results of the target test task according to the measured values of the target measurement parameters; the storage module stores the test results of the target test task; after the tests of multiple test tasks are completed item by item, the display and control module obtains the test results of each test task in the multiple test tasks from the storage module and outputs the test results. Thus, it can be seen that the present invention can automatically test multiple test tasks according to the test timing sequence of multiple test tasks of the multi-channel satellite network chain channel simulation simulator, and there is no need to replace test instruments during the test process, thereby avoiding the cumulative error caused by continuously replacing test instruments; at the same time, the process of testing multiple test tasks item by item is continuous, which can effectively shorten the gap in test time of multiple test tasks, ensure the consistency of the test environment of multiple test tasks to the greatest extent, reduce the cumulative error, and improve the measurement result accuracy and measurement efficiency of the multi-channel satellite network chain channel simulation simulator.

[0102] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A multi-channel Starlink channel simulation simulator test device, characterized in that: include: A display and control module, used to take the multiple test tasks as target test tasks one by one according to the test timing of the multiple test tasks of the multi-channel Starlink channel simulation simulator; A signal transceiver module, used to call at least one target communication interface corresponding to the target test task from multiple local communication interfaces; A measuring module, configured to measure a target measurement parameter corresponding to the target test task through the at least one target communication interface to obtain a measurement value of the target measurement parameter; A calculation module, used for calculating the test result of the target test task according to the measurement value of the target measurement parameter from the measurement module; A storage module, used for storing the test results of the target test task from the calculation module; The display and control module is further used to obtain the test results of each test task in the multiple test tasks from the storage module after the multiple test tasks are tested one by one, and output the test results.

2. The multi-channel Starlink channel simulation simulator test device according to claim 1 is characterized in that: The multiple test tasks include at least one functional test task and at least one performance test task.

3. The multi-channel Starlink channel simulation simulator test device according to claim 2 is characterized in that: The multiple communication interfaces include: a radio frequency interface and a dedicated test interface; the at least one functional test task includes: a multiple-input multiple-output simulation test, a large-scale networking simulation test, and a satellite link simulation test; the at least one performance test task includes: a storage capacity test, a storage depth test, a resolution test, a frequency range test, a maximum working bandwidth test, a Doppler maximum frequency shift test, a link maximum attenuation range test, and a maximum simulation delay test; The signal transceiver module is specifically used to call the radio frequency interface when the target test task is the multiple-input multiple-output simulation test, the large-scale networking simulation test, the satellite link simulation test, the frequency range test, the resolution test, the maximum operating bandwidth test, or the Doppler maximum frequency shift test; and to call the dedicated test interface when the target test task is the storage capacity test, the storage depth test, the link maximum attenuation range test, or the maximum simulation delay test.

4. The multi-channel Starlink channel simulation simulator test device according to claim 3 is characterized in that: The plurality of communication interfaces further include: a serial interface; the device further includes: a signal source module; The signal source module is used to send the excitation signal corresponding to the target test task to the multi-channel Starlink channel simulation simulator based on the serial interface; The signal transceiver module is specifically used to call the serial interface and the radio frequency interface when the target test task is the multiple-input multiple-output simulation test, the large-scale networking simulation test, the satellite link simulation test, the frequency range test, the resolution test, the maximum operating bandwidth test, or the Doppler maximum frequency shift test.

5. The multi-channel Starlink channel simulation simulator test device according to claim 4 is characterized in that: The measurement module includes a spectrum analysis module and a vector network test module; the measurement module measures the target measurement parameter corresponding to the target test task through the at least one target communication interface to obtain the measurement value of the target measurement parameter, including: In the case where the target test task is the MIMO simulation test, the spectrum analysis module measures the output frequency of the MIMO simulation signal of the multi-channel Starlink channel simulation simulator based on the RF interface; When the target test task is the large-scale networking simulation test, the spectrum analysis module measures the output frequency of the large-scale networking simulation signal of the multi-channel star-link channel simulation simulator based on the radio frequency interface; When the target test task is the satellite link simulation test, the spectrum analysis module measures the output frequency of the satellite link simulation signal of the multi-channel starlink channel simulation simulator based on the radio frequency interface; When the target test task is the resolution test, the spectrum analysis module measures the target output power of the satellite link simulation simulator of the multi-channel star-link channel simulation simulator based on the radio frequency interface; the target output power is less than other output powers of the satellite link simulation simulator of the multi-channel star-link channel simulation simulator; When the target test task is the frequency range test or the Doppler maximum frequency shift test, the spectrum analysis module measures the output frequency of the multi-channel Starlink channel simulation simulator based on the radio frequency interface; When the target test task is the maximum attenuation range test of the link, the spectrum analysis module measures the output power of the multi-channel Starlink channel simulation simulator based on the radio frequency interface; When the target test task is the storage depth test or the storage capacity test, the vector network test module measures the number of storage signals of the multi-channel Starlink channel simulation simulator based on the dedicated test interface; When the target test task is the maximum working bandwidth test, the vector network test module measures the output frequency of the multi-channel Starlink channel simulation simulator when the output waveform is attenuated to -3dB based on the dedicated test interface; When the target test task is the maximum simulation delay test, the vector network test module measures the simulation output delay of the multi-channel star network link channel simulation simulator based on the dedicated test interface.

6. The multi-channel Starlink channel simulation simulator test device according to claim 5, characterized in that: When the target test task is the multiple-input multiple-output simulation test, the large-scale networking simulation test, the satellite link simulation test, the frequency range test, and the Doppler maximum frequency shift test, the signal frequency of the excitation signal output by the signal source module is less than or equal to the target input power when the multi-channel star-network link channel simulation simulator is working, the output power of the vector network test module is less than or equal to the target input power, and the test frequency of the spectrum analysis module is within the frequency range corresponding to the bandwidth of the multi-channel star-network link channel simulation simulator; wherein the target input power is greater than other input powers when the multi-channel star-network link channel simulation simulator is working.

7. The multi-channel Starlink channel simulation simulator test device according to claim 1, characterized in that: The test timing is a custom timing; Before the display control module takes the multiple test tasks as target test tasks one by one, it is also used to: detect whether there is a timing error in the custom timing; When it is determined that a timing error exists in the custom timing, an error prompt message is generated and the test process ends.

8. The multi-channel Starlink channel simulation simulator test device according to claim 4, characterized in that: The device also includes: a bus communication module for transmitting communication signals, the bus communication module is connected to the display and control module, the signal transceiver module, the measurement module and the calculation module, the communication signal includes: the measurement value of the target measurement parameter, the test result of the target test task, and the control instruction sent by the display and control module to the signal transceiver module; wherein the control instruction is used to instruct the signal transceiver module to call at least one communication interface corresponding to the target test task.

9. The multi-channel Starlink channel simulation simulator test device according to claim 8, characterized in that: The device further includes: a power supply module, which is used to supply power to the display and control module, the signal transceiver module, the measurement module, the calculation module, the storage module, the signal source module and the bus communication module.

10. A multi-channel Starlink channel simulation simulator testing method, characterized in that: Applied to the multi-channel Starlink channel simulation simulator test device according to any one of claims 1 to 9, the method comprising: Through the display and control module, multiple test tasks of the multi-channel Starlink channel simulation simulator are set as target test tasks one by one according to the test sequence; Calling at least one target communication interface corresponding to the target test task from a plurality of local communication interfaces of the signal transceiver module through the signal transceiver module; Measuring the target measurement parameter corresponding to the target test task based on the at least one target communication interface by a measurement module to obtain a measurement value of the target measurement parameter; Receiving the measured value of the target measurement parameter from the measurement module through the calculation module, and calculating the test result of the target test task according to the measured value of the target measurement parameter; Storing the test results of the target test task through a storage module; After the multiple test tasks are tested one by one, the display control module obtains the test result of each test task in the multiple test tasks from the storage module, and outputs the test result.

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