A testing system and method

Abstract

The embodiment of the present invention discloses a test system and method. The test system includes multiple power division network modules, channel network modules and control modules, wherein: the channel network module is communicatively connected with the control module to establish an environmental simulation channel; the control module is used to adjust the channel parameters of the channel network module; each power division network module is communicatively connected with the channel network module to establish communication between each power division network module under the environmental simulation channel through a data transmission port; wherein each power division network module is communicatively connected with the channel network module in a wired form; each power division network module communicates in a self-organizing network form. The technical solution of the embodiment of the present invention can reduce the manual testing cost of multi-terminal communication equipment testing and improve the efficiency of problem location in multi-terminal communication equipment testing.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of communication technology, and in particular to a testing system and method. Background Art

[0002] With the development of communication technology, reliable communication between communication devices has become an important part in order to realize the interconnection of all things. In order to ensure reliable communication between communication devices, communication indicators of communication devices need to be tested before they leave the factory.

[0003] At present, communication equipment can communicate with fixed base stations, and can also build ad hoc networks to achieve communication between communication equipment. In the early days, ad hoc networks were mostly used in the military field and in situations where communication facilities were destroyed. With the continuous development of communication technology, ad hoc networks have been increasingly used in various fields, such as vehicle networking, ship networking, and drone networking. Communication equipment that communicates with fixed base stations generally has a complete set of standard test processes, including instrument-based indoor environment testing and large-scale actual environment testing. Each test will include a large number of test items to simulate various test scenarios as much as possible.

[0004] Since the test process has a unified standard, the test items are basically formulated around the relevant standards, and the test environment can be built through a unified test instrument. For the testing of self-organizing network communication equipment, most of the communication equipment manufacturers design and develop it according to different needs for different application scenarios. There are differences in their protocol standards and index requirements. There is no unified standard, and the test items are not unified. Therefore, there is no unified instrument to conduct targeted testing of communication equipment. At present, the test of self-organizing network equipment is mainly carried out in actual application scenarios, and this testing method has two problems: one is that the test efficiency of actual application scenarios is low and the labor cost is high; the other is that when problems occur in the test of actual application scenarios, it is not easy to determine the cause of the test problem, such as the equipment itself, the environment, external interference, and the antenna. In the prior art, communication equipment can also be tested by testing indoor wired ports. The testing methods for indoor wired ports are mainly general indicator testing of a single terminal and a general instrument, one-to-one terminal testing, or air interface multi-terminal testing. The discovery of test problems in the above three indoor wired port testing methods mainly relies on testing in actual environments, which makes the testing of existing self-organizing network communication equipment suffer from the problems of high labor costs for testing multi-terminal communication equipment and difficulty in locating test problems for multi-terminal communication equipment. Summary of the invention

[0005] The embodiments of the present invention provide a testing system and method, which reduce the manual testing cost of multi-terminal communication equipment testing and improve the efficiency of locating problems in multi-terminal communication equipment testing.

[0006] In a first aspect, an embodiment of the present invention provides a test system, including a plurality of power division network modules, a channel network module and a control module, wherein:

[0007] The channel network module is in communication connection with the control module and is used to establish an environment simulation channel;

[0008] The control module is used to adjust the channel parameters of the channel network module;

[0009] Each power division network module is communicatively connected with the channel network module, and is used to establish communication between each power division network module under the environment simulation channel through the data transmission port;

[0010] Among them, each power division network module is connected to the channel network module through a wired communication; each power division network module communicates through a self-organizing network

[0011] In a second aspect, an embodiment of the present invention further provides a testing method, including:

[0012] Establish environmental simulation channels based on channel network modules;

[0013] Adjusting the channel gain of the channel network module through the control module;

[0014] Establishing communication between power division network modules in an environmental simulation channel through the data transmission port of the power division network module;

[0015] Among them, each power division network module is connected to the channel network module in a wired communication manner; each power division network module communicates in a self-organizing network manner.

[0016] The technical solution of this embodiment is to construct a test system through multiple power division network modules, channel network modules and control modules. Multiple power division network modules in the test system establish communication relationships through data transmission ports and environmental simulation channels established by channel network modules, and the channel parameters of the power division network modules during communication can be adjusted by the control module. Since each power division network module is connected to the channel network module in a wired form, the reliability of the communication environment of the power division network module can be guaranteed, and the test anomalies caused by the variability of the communication environment are eliminated, so that the test anomalies can be quickly located to the power division network module, that is, the test anomalies can be quickly located to the equipment itself. Fault. In addition, the test system does not require a large number of people to complete the test items, which solves the defects of high labor costs and difficult problem location of multi-terminal communication equipment testing in the prior art, reduces the labor test costs of multi-terminal communication equipment testing, and improves the efficiency of problem location of multi-terminal communication equipment testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1is a schematic diagram of a test system provided in Embodiment 1 of the present invention;

[0018] Figure 2 is a schematic diagram of another test system provided by Embodiment 1 of the present invention;

[0019] Figure 3 is a schematic diagram of another test system provided by Embodiment 1 of the present invention;

[0020] Figure 4 is a schematic diagram of a test system cascade provided in Embodiment 1 of the present invention;

[0021] Figure 5 It is a flow chart of a testing method provided in the second embodiment of the present invention. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0023] It should also be noted that, for ease of description, only the part relevant to the present invention but not all content is shown in the accompanying drawings. It should be mentioned before discussing exemplary embodiments in more detail that some exemplary embodiments are described as processing or methods depicted as flow charts. Although the flow chart describes each operation (or step) as sequential processing, many operations therein can be implemented in parallel, concurrently or simultaneously. In addition, the order of each operation can be rearranged. When its operation is completed, the processing can be terminated, but it can also have additional steps not included in the accompanying drawings. The processing can correspond to methods, functions, procedures, subroutines, subprograms, etc.

[0024] Embodiment 1

[0025] Figure 1 It is a schematic diagram of a test system provided in Embodiment 1 of the present invention, the structure of the test system includes multiple power division network modules 100, channel network modules 110 and control modules 120, wherein: the channel network module 110 is communicatively connected with the control module 120 to establish an environmental simulation channel; the control module 120 is used to adjust the channel parameters of the channel network module 110; each power division network module 100 is communicatively connected with the channel network module 110 to establish communication between each power division network module 100 under the environmental simulation channel through the data transmission port.

[0026] The power division network module 100 may be a device that divides one input signal into two or more outputs. In the embodiment of the present invention, each power division network module 100 may optionally include one data transmission port, such as Figure 1As shown, the data transmission ports of each power division network module 100 can be named A...D respectively. The channel network module 110 can be a device that can simulate a communication channel. The control module 120 can be a chip or device with a logic control function. Exemplarily, the control module 120 can include but is not limited to a microprocessor control unit and a computer. The environmental simulation channel can be a channel that can transmit analog signals and is used to simulate an actual communication environment. Each power division network module 100 is connected to the channel network module 110 in a wired manner. Each power division network module 100 communicates in the form of a self-organizing network. Channel parameters can be parameters that can characterize communication quality. Exemplarily, channel parameters can include but are not limited to channel fading coefficient, communication delay, and signal-to-noise ratio. The data transmission port can be a port for mutual communication between the power division network systems 100.

[0027] In an embodiment of the present invention, the power division network module 100 and the channel network module 110 can be connected in a wired form. After at least two power division network modules 100 are connected through the channel network module 110, the power division network modules 100 that are connected can communicate with each other through the data transmission port and the environmental simulation channel established by the channel network module 110, that is, the power division network modules 100 that are connected communicate in the form of a self-organizing network, and further, the channel parameters of the channel network module 110 can be adjusted by the control module 120 to change the size of the analog signal in the communication channel of the power division network module 100 that is connected. Since the power division network module 100 is connected to the channel network module 110 in a wired form, that is, the power division network modules 100 are connected in a wired form through the channel network module 110, and the wired form can ensure the stability of the communication environment, the test failure caused by the interference of the communication environment can be quickly eliminated through the test system, and the test problem can be located to the communication device itself (power division network module 100), avoiding the disadvantage of not being able to quickly locate the test problem in the actual application scenario.

[0028] Exemplarily, the power division network module 100 can simulate the communication device to be detected, the channel network module 110 can simulate the communication channel of the power division network module 100, and the control module 120 can simulate the variable actual communication environment by adjusting the channel parameters of the channel network module 110. When multiple power division network modules 100 are connected through the channel network module 110, it is equivalent to that the communication device to be detected realizes an ad hoc network, and multiple communication devices in the ad hoc network can communicate with each other in the simulated actual communication environment.

[0029] In a specific example, a test system can be used to test whether a self-organizing vehicle in the Internet of Vehicles has a fault. Since in the application scenario of the Internet of Vehicles, vehicles mainly communicate with each other through self-organizing networks, and the communication environment of the vehicle is complex, it is not easy to determine whether the test failure is caused by a fault in the vehicle itself when conducting actual environment testing. The power division network module 100 in the test system of this case simulates the vehicle, and the channel network module 110 and the control module 120 are used to simulate the actual communication channel of the self-organizing vehicle, so as to eliminate the problem of test failure caused by the vehicle's own fault before putting the vehicle into the actual environment test.

[0030] In an optional embodiment of the present invention, the power division network module 100 may also be used to: determine the current module connection port; and use the current module connection port to connect to the target module connection port through the channel network module 110.

[0031] Among them, the current module connection port may be a port in the power division network module 100 that needs to establish a communication connection with other power division network modules 100 through the channel network module 110. The target module connection port may be a port in the power division network module 100 that needs to establish a communication connection with the current module connection port through the channel network module 110. The current module connection port and the target module connection port belong to different power division network modules 100, and the current module connection port and the target module connection port have a one-to-one correspondence.

[0032] In the embodiment of the present invention, before establishing a connection between power division network modules 100, the power division network module 100 may first determine a port that has not established a connection with other power division network modules 100 as the current module connection port. After obtaining the current module connection port, further determine the target module connection port that needs to be connected to the current module connection port, and then the current module connection port can be connected to the target module connection port through the channel network module 110.

[0033] In an optional embodiment of the present invention, the channel network module 110 may include a plurality of channel network sub-modules; the channel network sub-module may include an adjustable attenuator and / or an adjustable delay; wherein, in the case where the channel network sub-module includes an adjustable attenuator and an adjustable delay, the adjustable attenuator and the adjustable delay are connected in series; the test system may determine the number of the channel network sub-modules based on the following formula:

[0034] or,

[0035]

[0036] Among them, the channel network submodule can be a part of the components constituting the channel network module 110. The adjustable attenuator can be a component composed of an attenuation circuit within a certain frequency range. Exemplarily, the adjustable attenuator can include a displacement optical attenuator, a film optical attenuator, and an attenuation sheet optical attenuator. The adjustable delay device can be a device capable of accurately adjusting the communication delay time. N represents the number of channel network submodules, and n represents the number of power division network modules 100.

[0037] In an embodiment of the present invention, the channel network module 110 may be composed of a plurality of channel network submodules and wires. Optionally, the channel network submodule may include an adjustable attenuator and / or an adjustable delay. When the channel network submodule includes an adjustable attenuator and an adjustable delay, the adjustable attenuator and the adjustable delay are connected in series, that is, the adjustable attenuator and the adjustable delay can be connected to different power division network modules 100 or other devices after being connected in series. When the number of power division network modules 100 is n, the number of channel network submodules may be or When each power division network module 100 needs to be connected to other devices or components after establishing a mutual connection relationship, the number of channel network submodules can be When the power division network modules 100 do not need to be connected to other devices or components after establishing a mutual connection relationship, the number of channel network submodules can be

[0038] In an optional embodiment of the present invention, Figure 2As shown, the power division network module 100 may include a first power division network module 101, a second power division network module 102, a third power division network module 103 and a fourth power division network module 104, wherein the first module connection port 1 of the first power division network module 101 is connected to the input end of the first channel network submodule 111, and the output end of the first channel network submodule 111 is connected to the first module connection port 1 of the second power division network module 102; the second module connection port 2 of the first power division network module 101 is connected to the input end of the second channel network submodule 112, and the output end of the second channel network submodule 112 is connected to the first module connection port 1 of the third power division network module 103; the third module connection port 3 of the first power division network module 101 is connected to the input end of the third channel network submodule 113, and the output end of the third channel network submodule 113 is connected to the first module connection port 1 of the third power division network module 103; The output end of block 113 is connected to the first module connection port 1 of the fourth power division network module 104; the second module connection port 2 of the second power division network module 102 is connected to the input end of the fourth channel network submodule 114, and the output end of the fourth channel network submodule 114 is connected to the second module connection port 2 of the third power division network module 103; the third module connection port 3 of the second power division network module 102 is connected to the input end of the fifth channel network submodule 115, and the output end of the fifth channel network submodule 115 is connected to the second module connection port 2 of the fourth power division network module 104; the third module connection port 3 of the third power division network module 103 is connected to the input end of the sixth channel network submodule 116, and the output end of the sixth channel network submodule 116 is connected to the third module connection port 3 of the fourth power division network module 104.

[0039] Among them, the data output ports of the first power division network module 101, the second power division network module 102, the third power division network module 103, and the fourth power division network module 104 are A, B, C, and D, respectively. The first module connection port 1, the second module connection port 2, and the third module connection port 3 can be ports for establishing a connection relationship between the power division network modules 100, and are used to connect with the input end of the channel network submodule. The first channel network submodule 111, the second channel network submodule 112, the third channel network submodule 113, the fourth channel network submodule 114, the fifth channel network submodule 115, and the sixth channel network submodule 116 can be the first, second, third, fourth, fifth, and sixth channel network submodules arranged in sequence, respectively. The input end of the channel network submodule can be a port of the channel network submodule, which is used to receive the output signal of the power division network module 100. The output end of the channel network submodule can be a port of the channel network submodule, which is used to output the signal after attenuation and / or delay processing to the power division network module 100.

[0040] In an optional embodiment of the present invention, the number of channel network submodules is In this case, the power division network module 100 further includes a test function port; the test function port is communicatively connected to the detection device and is used to send detection data to the detection device.

[0041] The test function port may be a port remaining after the connection between the power division network modules 100 is completed. The detection device may be used to detect the transmission data and the reception data of the power division network module 100. The detection data may be the data transmitted or received by the power division network module 100.

[0042] In the embodiment of the present invention, the number of channel network submodules is In the case where there are still remaining ports after the power division network modules 100 are connected, the remaining ports are used as test function ports, so that the test function ports can be communicatively connected with the detection device. After the test function port establishes a communication connection with the detection device, the test function port can send detection data to the detection device. After receiving the monitoring data, the detection device can evaluate the detection data to determine whether the power division network module 100 is in a normal working state.

[0043] Figure 3 is a schematic diagram of another test system provided in Embodiment 1 of the present invention. In an optional embodiment of the present invention, as Figure 3 As shown, the system may further include a target power splitter 130, wherein: the target power splitter 130 is communicatively connected to the data transmission port and is used for performing diversity processing on data sent and / or received by the power division network module.

[0044] The target power splitter 130 may be any type of power splitter, and is used to improve the communication quality between the power division network modules 100 .

[0045] In an embodiment of the present invention, the data transmission port of the power division network module 100 can be connected to the target power divider communication 130, so that the data of the power division network module 100 connected thereto can be sent to other power division network modules 100 through multiple antennas of the target power divider, and / or the data sent by other power division network modules 100 can be received.

[0046] In an optional embodiment of the present invention, when the power division network module 100 includes a test function port, the test function port is also used to communicate with the power division network module 100 of a cascade test system; the cascade test system is used to expand the data transmission port.

[0047] The cascade test system may be a system having the same component modules as the test system and being communicatively connected with the test system.

[0048] Specifically, the power division network module 100 can be connected to the data transmission port of the cascade test system through the test function port, and the test function port of the cascade test system serves as a new data transmission port of the cascade test system. The data transmission port of the test system that completes the cascade may include the data transmission port of the test system and the new data transmission port of the cascade test system to achieve the expansion of the number of data transmission ports.

[0049] In a specific example, Figure 4 As shown, the data transmission ports of the first power division network module, the second power division network module, the third power division network module, and the fourth power division network module of the test system are A, B, C, and D, respectively. Before the cascade test system is not cascaded with the test system, the data transmission ports of the fifth power division network module, the sixth power division network module, the seventh power division network module, and the eighth power division network module of the cascade test system are A1, B1, C1, and D1, respectively. After the cascade test system is cascaded with the test system, the data transmission ports of the fifth power division network module, the sixth power division network module, the seventh power division network module, and the eighth power division network module of the cascade test system are a1, b1, c1, and d1, respectively. The test function port 4 of the first power division network module of the test system is connected to A1 of the fifth power division network module of the cascade test system through the channel network sub-module; the test function port 4 of the second power division network module of the test system is connected to B1 of the sixth power division network module of the cascade test system through the channel network sub-module; the test function port 4 of the third power division network module of the test system is connected to C1 of the seventh power division network module of the cascade test system through the channel network sub-module; the test function port 4 of the fourth power division network module of the test system is connected to D1 of the eighth power division network module of the cascade test system through the channel network sub-module.

[0050] The technical solution of this embodiment is to construct a test system through multiple power division network modules, channel network modules and control modules. Multiple power division network modules in the system establish communication relationships through data transmission ports and environmental simulation channels established by channel network modules, and the channel parameters of the power division network modules during communication can be adjusted by the control module. Since each power division network module is connected to the channel network module in a wired form, the reliability of the communication environment of the power division network module can be guaranteed, and the test anomalies caused by the variability of the communication environment are eliminated, so that the test anomalies can be quickly located to the power division network module, that is, the test anomalies can be quickly located to the equipment itself. Fault. In addition, the test system is different from the actual application scenario, and does not require a large number of manpower to complete the test items, which solves the defects of high labor costs and difficult problem location of multi-terminal communication equipment testing in the prior art, reduces the labor test costs of multi-terminal communication equipment testing, and improves the efficiency of problem location of multi-terminal communication equipment testing.

[0051] Embodiment 2

[0052] Figure 5 is a flow chart of a test method provided by the second embodiment of the present invention. This embodiment is applicable to the case of indoor multi-terminal communication test. The method can be executed by a test device, which can be implemented by software and / or hardware and can generally be integrated in an electronic device. Figure 5 As shown, the method includes the following operations

[0053] S210: Establish an environment simulation channel based on the channel network module.

[0054] In the embodiment of the present invention, the environment simulation channel can be established by using the channel network module.

[0055] S220. Adjust channel parameters of the channel network module through the control module.

[0056] Accordingly, the control module can be used to adjust the channel parameters of the channel network module to change the channel gain of the environmental simulation channel.

[0057] S230, establishing communication between the power division network modules in an environmental simulation channel through the data transmission ports of the power division network modules.

[0058] Among them, each power division network module is connected to the channel network module in a wired communication manner; each power division network module communicates in a self-organizing network manner.

[0059] In the embodiment of the present invention, after the environment simulation channel is established according to the channel network module, mutual communication can be achieved through the data transmission port under the environment simulation channel established by the channel network module through the power division network module.

[0060] Optionally, the data transmission port of the power division network module is used to establish communication between the power division network modules under the environmental simulation channel, including: determining the current module connection port; using the current module connection port to connect the target module connection port through the channel network module; wherein the current module connection port and the target module connection port belong to different power division network modules, and the current module connection port and the target module connection port have a one-to-one correspondence.

[0061] Optionally, the power division network module includes a first power division network module, a second power division network module, a third power division network module and a fourth power division network module; the first module connection port of the first power division network module is connected to the input end of the first channel network submodule, and the output end of the first channel network submodule is connected to the first module connection port of the second power division network module; the second module connection port of the first power division network module is connected to the input end of the second channel network submodule, and the output end of the second channel network submodule is connected to the first module connection port of the third power division network module; the third module connection port of the first power division network module is connected to the input end of the third channel network submodule, and the output end of the third channel network submodule is connected to the first module connection port of the third power division network module The output end is connected to the first module connection port of the fourth power division network module; the second module connection port of the second power division network module is connected to the input end of the fourth channel network submodule, and the output end of the fourth channel network submodule is connected to the second module connection port of the third power division network module; the third module connection port of the second power division network module is connected to the input end of the fifth channel network submodule, and the output end of the fifth channel network submodule is connected to the second module connection port of the fourth power division network module; the third module connection port of the third power division network module is connected to the input end of the sixth channel network submodule, and the output end of the sixth channel network submodule is connected to the third module connection port of the fourth power division network module.

[0062] Optionally, the channel network module includes a plurality of channel network submodules; the channel network submodule includes an adjustable attenuator and / or an adjustable delay device; wherein, when the channel network submodule includes an adjustable attenuator and an adjustable delay device, the adjustable attenuator and the adjustable delay device are connected in series;

[0063] The number of the channel network submodules is determined based on the following formula:

[0064] or,

[0065]

[0066] Among them, N represents the number of the channel network sub-modules, and n represents the number of the power division network modules.

[0067] Optionally, the method further includes: when the number of the channel network submodules is In the case, the power division network module further includes a test function port; and the detection data is sent to the detection device based on the test function port.

[0068] Optionally, the method further includes: performing diversity processing on data sent and / or received by the power division network module based on the target power divider.

[0069] Optionally, the method further includes: when the power division network module includes a test function port, expanding the data transmission port based on a cascade test system.

[0070] The technical solution of this embodiment is to establish an environmental simulation channel based on the channel network module, and adjust the channel gain of the channel network module through the control module, and further establish communication between the power division network modules under the environmental simulation channel through the data transmission port of the power division network module, wherein each power division network module is connected to the channel network module in a wired form, and each power division network module communicates in the form of a self-organizing network. Since each power division network module is connected to the channel network module in a wired form, the reliability of the communication environment of the power division network module can be guaranteed, and the test anomaly caused by the variability of the communication environment is eliminated, so that the test anomaly is quickly located to the power division network module, that is, the test anomaly is quickly located to the device itself. Fault. In addition, the test system is different from the actual application scenario, and does not require a large number of manual labor to complete the test items, which solves the defects of high labor costs and difficult problem location of multi-terminal communication equipment testing in the prior art, reduces the manual test cost of multi-terminal communication equipment testing, and improves the efficiency of problem location of multi-terminal communication equipment testing.

[0071] It should be noted that any arrangement and combination of the technical features in the above embodiments also falls within the protection scope of the present invention.

[0072] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A testing system, characterized in that: It includes multiple power division network modules, channel network modules and control modules, wherein: The channel network module is in communication connection with the control module, and is used to establish an environment simulation channel; The control module is used to adjust the channel parameters of the channel network module, and the channel parameters include channel fading coefficient and communication delay; Each of the power division network modules is communicatively connected with the channel network module, and is used to establish communication between the power division network modules under the environmental simulation channel through a data transmission port; Wherein, each of the power division network modules is connected to the channel network module in a wired communication manner; each of the power division network modules communicates in a self-organizing network manner; The channel network module includes a plurality of channel network submodules; the channel network submodule includes an adjustable attenuator and / or an adjustable delay device; In the case where the channel network submodule includes an adjustable attenuator and an adjustable delay device, the adjustable attenuator and the adjustable delay device are connected in series; The test system determines the number of the channel network submodules based on the following formula: or, Wherein, N represents the number of the channel network submodules, and n represents the number of the power division network modules; The number of submodules in the channel network is In the case of, the power division network module further includes a test function port; The test function port is connected to the detection device for communication and is used to send detection data to the detection device; The test function port is also used to communicate with the power division network module of the cascade test system; The cascade test system is used to expand the data transmission port.

2. The system according to claim 1, characterized in that The power division network module is also used for: Determine the current module connection port; Using the current module connection port to connect the target module connection port through the channel network module; The current module connection port and the target module connection port belong to different power division network modules, and the current module connection port and the target module connection port have a one-to-one correspondence.

3. The system according to claim 1, characterized in that: The power division network module includes a first power division network module, a second power division network module, a third power division network module and a fourth power division network module; The first module connection port of the first power division network module is connected to the input end of the first channel network submodule, and the output end of the first channel network submodule is connected to the first module connection port of the second power division network module; The second module connection port of the first power division network module is connected to the input end of the second channel network submodule, and the output end of the second channel network submodule is connected to the first module connection port of the third power division network module; The third module connection port of the first power division network module is connected to the input end of the third channel network submodule, and the output end of the third channel network submodule is connected to the first module connection port of the fourth power division network module; The second module connection port of the second power division network module is connected to the input end of the fourth channel network submodule, and the output end of the fourth channel network submodule is connected to the second module connection port of the third power division network module; The third module connection port of the second power division network module is connected to the input end of the fifth channel network submodule, and the output end of the fifth channel network submodule is connected to the second module connection port of the fourth power division network module; The third module connection port of the third power division network module is connected to the input end of the sixth channel network submodule, and the output end of the sixth channel network submodule is connected to the third module connection port of the fourth power division network module.

4. The system according to claim 1, characterized in that The system also includes a target power divider; The target power splitter is communicatively connected to the data transmission port, and is used for performing diversity processing on the data sent and / or received by the power division network module.

5. A testing method, characterized in that: include: Establish environmental simulation channels based on channel network modules; Adjusting the channel parameters of the channel network module through a control module, wherein the channel parameters include a channel fading coefficient and a communication delay; Establishing communication between the power division network modules under the environmental simulation channel through the data transmission port of the power division network module; Wherein, each of the power division network modules is connected to the channel network module in a wired communication manner; each of the power division network modules communicates in a self-organizing network manner; The channel network module includes a plurality of channel network submodules; the channel network submodule includes an adjustable attenuator and / or an adjustable delay device; In the case where the channel network submodule includes an adjustable attenuator and an adjustable delay device, the adjustable attenuator and the adjustable delay device are connected in series; The number of the channel network submodules is determined based on the following formula: or, Wherein, N represents the number of the channel network submodules, and n represents the number of the power division network modules; The method further includes: when the number of the channel network submodules is In the case of, the power division network module further includes a test function port; Sending detection data to the detection device based on the test function port; The data transmission port is expanded based on a cascade test system.

6. The method according to claim 5, characterized in that The establishing of communication between the power division network modules under the environment simulation channel through the data transmission port of the power division network module includes: Determine the current module connection port; Using the current module connection port to connect the target module connection port through the channel network module; The current module connection port and the target module connection port belong to different power division network modules, and the current module connection port and the target module connection port have a one-to-one correspondence.

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