CN-121985370-A - Test platform system based on radio frequency wireless signals and building method thereof

CN121985370ACN 121985370 ACN121985370 ACN 121985370ACN-121985370-A

Abstract

The invention belongs to the technical field of wireless system application, in particular to a radio frequency wireless signal testing platform system and a construction method thereof, wherein the system comprises an android main control terminal, a radio frequency communication module and an environment sensing unit; the android master control terminal is loaded with an industrial android device operating system, and a presentation layer, a business logic layer and a data access layer are integrated; the radio frequency communication module is connected with the android main control terminal through a serial interface and is used for dynamically configuring frequency bands, spreading factors and bandwidth parameters, an environment database is built through the android main control terminal, the radio frequency communication module and an environment sensing unit, the self-adaptive communication capability test of various radio frequency modules is achieved, wireless signal data can be intuitively tested at any time and any place by using an established test platform and environment data, dependence on a traditional darkroom and a spectrometer is reported, and the self-adaptive setting of the frequency bands, the spreading factors and the bandwidth of the module in different environments is achieved through the existing environment database.

Inventors

LAI LIUQI
CHEN LONGFEI
QIN LING
LI JIASHUANG
CHEN GUO

Assignees

重庆云铭科技股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260203

Claims (10)

1. The system is characterized by comprising an android main control terminal, a radio frequency communication module and an environment sensing unit, wherein the android main control terminal is provided with an industrial android device operating system, an integrated representation layer, a business logic layer and a data access layer, the radio frequency communication module is connected with the android main control terminal through a serial interface and is used for dynamically configuring frequency bands, spreading factors and bandwidth parameters, and the environment sensing unit is used for acquiring environmental temperature, humidity and air pressure data in real time and is used for completing environmental characteristic identification in cooperation with the radio frequency communication module and is used for adapting radio frequency test parameters.
2. The system for testing the platform based on the radio frequency wireless signals according to claim 1, wherein the representation layer is used for achieving human-computer interaction by adopting an MVVM architecture, and comprises a device control interface, a real-time monitoring interface and an environment simulation interface, wherein the device control interface supports continuous value adjustment of frequency bands, spreading factors and bandwidths.
3. The system for testing a platform based on radio frequency signals according to claim 1, wherein the control logic of the service logic layer is as follows: A1, receiving an environment code input; a2, inquiring an environment database according to the environment codes to obtain corresponding environment configuration files; a3, processing an environment configuration file by using a parameter optimization algorithm, and generating recommended parameters; And A4, synchronously transmitting a frequency band setting command, a spreading factor setting command and a bandwidth setting command to the radio frequency communication module through the serial interface.
4. The system of claim 1, wherein the data access layer is configured to store a data set including an environmental feature template set, a communication performance matrix, and a parameter optimization mapping table.
5. The system of claim 4, wherein the set of environmental feature templates comprises a set of physical parameters of a class 14 environment, the set being dynamically constructed by geographic coordinate analysis, environmental sensing data fusion, and background noise spectrum analysis to support adaptive matching of environmental feature recognition and radio frequency test parameters.
6. The system of claim 1, wherein the RF communication module comprises an antenna unit including three specifications of an indoor flexible antenna, an outdoor omni-directional antenna and a remote directional antenna.
7. A method for building a test platform system based on radio frequency wireless signals, which is applicable to the test platform system based on radio frequency wireless signals according to any one of claims 1 to 6, and is characterized in that the method for building the test platform system based on radio frequency wireless signals comprises the following steps: S1, building a test platform, developing an android device platform, connecting a radio frequency communication module with the android device through a serial interface, compiling a frequency band, a spread spectrum factor and a bandwidth of a module to be tested in the android device through a serial interface protocol, and developing a displayable device signal intensity and communication stability interface to test the signal intensity of a wireless module through a mobile android device platform; s2, establishing an environment feature library, collecting physical parameters of 14 typical environments, automatically acquiring data of the terrain type, the temperature and the humidity and the noise intensity through environment feature recognition, and optimizing by combining historical communication data training, wherein the method specifically comprises environment feature recognition, parameter optimization calculation, test execution and monitoring; S3, adaptively distinguishing the environments according to the data obtained in the S2, and distributing frequency bands, spread spectrum factors and bandwidths under different environments to achieve optimal parameter setting recommendation; and S4, performing program calculation on codes of the environment data to complete arrangement and combination mapping to environment types, so as to realize cross-scene self-adaptive radio frequency configuration recommendation, and simultaneously, performing reversible test, recommending a use scene and a use environment according to the performance of the radio frequency communication module, and quantizing and datamation of analog signals.
8. The method for building a test platform system based on radio frequency wireless signals according to claim 7, wherein the environmental feature recognition adopts an automatic mode, and comprises the following steps: b1, acquiring longitude and latitude coordinates of android equipment by adopting a GPS, and calling a geographic information service interface to analyze the coordinates so as to determine the terrain type; b2, acquiring temperature and humidity data in real time by adopting an environment sensor; B3, adopting a radio frequency communication module to scan background noise frequency spectrum to obtain a noise intensity value; And B4, generating an environment feature code by applying a decision tree algorithm based on the terrain type, the temperature, the humidity and the noise intensity data, wherein the feature code is used for identifying the environment type and adapting the radio frequency test parameters.
9. The method for building the system based on the radio frequency wireless signal testing platform of claim 7, wherein the parameter optimization calculation adopts a Bayesian optimization algorithm, and the radio frequency parameter combination which minimizes the packet loss rate is searched for based on historical data iteration within a signal-to-noise ratio constraint interval, wherein the radio frequency parameter comprises a frequency band, a spread spectrum factor and a bandwidth, and the parameter value range is preconfigured by the system.
10. The method for building a test platform system based on radio frequency wireless signals according to claim 7, wherein the test sequence control logic for test execution and monitoring is: a) Performing the test circularly for 10000 times at most; b) Each cycle: i) Transmitting a test data packet; ii) delay 10 milliseconds; iii) Updating the current signal strength value; iv) judging whether the overtime count exceeds 3 times, if so, accumulating the packet loss count.

Description

Test platform system based on radio frequency wireless signals and building method thereof Technical Field The invention belongs to the technical field of wireless system application, and particularly relates to a radio frequency wireless signal testing platform system and a building method thereof. Background With rapid development of information technology, wireless communication technology has been advanced into various fields of people's life and industrial production, and among many wireless technologies, radio frequency wireless technology has a good anti-interference capability and penetrability as it can realize efficient data transmission and signal interaction at a longer distance, and is one of core technologies in the current wireless communication field. However, the propagation characteristics of the radio frequency wireless signal are susceptible to various factors, such as environmental noise, obstruction, multipath effect, etc., which cause problems of signal strength attenuation, data packet loss, signal interference, etc., thereby affecting the reliability and stability of the wireless system. Conventional wireless signal testing mainly relies on specialized signal testing equipment, such as spectrometers, vector signal analyzers, etc., and specific testing environments, such as microwave darkrooms, etc. These devices and environments, while capable of providing relatively accurate test results, have significant limitations. On the one hand, the professional testing equipment has high price and complex operation, requires professional personnel to operate and maintain, increases testing cost and time cost, and on the other hand, the testing environments such as a microwave darkroom and the like are single and unchangeable, can only perform ideal performance testing under standard environments, cannot simulate the complex environment in a real application scene, and is difficult to comprehensively evaluate the performance of the wireless equipment in the actual use process. In the prior art, the traditional wireless signal test mainly depends on professional signal test equipment, and although the equipment and the environment can provide more accurate test results, the ideal performance test can only be performed under the standard environment, the complex environment in the real application scene can not be simulated, and obvious limitations exist. Therefore, the invention provides a test platform system based on radio frequency wireless signals and a construction method thereof. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the radio frequency wireless signal testing platform system comprises an android main control terminal, a radio frequency communication module and an environment sensing unit, wherein the android main control terminal is provided with an industrial-level android device operating system, an integrated representation layer, a business logic layer and a data access layer, the radio frequency communication module is connected with the android main control terminal through a serial interface and used for dynamically configuring frequency bands, spread spectrum factors and bandwidth parameters, and the environment sensing unit acquires environmental temperature, humidity and air pressure data in real time and completes environment feature identification in cooperation with the radio frequency communication module to adapt to radio frequency testing parameters. Preferably, the representation layer adopts an MVVM architecture to realize man-machine interaction, and comprises a device control interface, a real-time monitoring interface and an environment simulation interface, wherein the device control interface supports continuous value adjustment of frequency bands, spreading factors and bandwidths. Preferably, the control logic of the service logic layer is: A1, receiving an environment code input; a2, inquiring an environment database according to the environment codes to obtain corresponding environment configuration files; a3, processing an environment configuration file by using a parameter optimization algorithm, and generating recommended parameters; And A4, synchronously transmitting a frequency band setting command, a spreading factor setting command and a bandwidth setting command to the radio frequency communication module through the serial interface. Preferably, the data access layer is configured to store a data set, including an environmental feature template set, a communication performance matrix, and a parameter optimization mapping table. Preferably, the environmental characteristic template set comprises a physical parameter set of 14 typical environments, and the physical parameter set is dynamically constructed through geographic coordinate analysis, environmental sensing data fusion and background noise spectru