CN114070427A - Terminal test system based on reverberation room environment - Google Patents
Terminal test system based on reverberation room environment Download PDFInfo
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- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
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- H—ELECTRICITY
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Abstract
A terminal test system based on a reverberation chamber environment comprises a reverberation chamber, a vector network analyzer, a comprehensive tester, a radio frequency switch control box and a rotary table control box, wherein a signal output end of the rotary table control box is connected with a rotary table and a stirrer to control the actions of the rotary tables and the stirrer, the reverberation chamber is a shielding chamber, a plurality of rotary tables are arranged in the reverberation chamber, a plurality of stirrers are arranged in the reverberation chamber, and the boundary condition of a chamber in the reverberation chamber is changed through the rotation of the stirrers so that an uniform randomly polarized electromagnetic environment is formed in the reverberation chamber. The invention takes an upper computer as a control and test core of the test system, and a user sends a control protocol instruction to control corresponding instrument equipment by operating upper computer software of the test system, so as to test parameters such as PTF space loss, TRP total radiation power, TIS total omnidirectional sensitivity, throughput, antenna efficiency and the like, stably run and quickly acquire data, and verify the signal performance of reverberation room terminal equipment in various modes.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a terminal test system based on a reverberation room environment.
Background
At present, the communication test industry develops rapidly, the requirement of the terminal test of a reverberation chamber is improved, the reverberation chamber has relevant application in the acoustic field and the electromagnetic field, the communication industry refers to the reverberation chamber used in the electromagnetic field, namely an electric wave reverberation chamber, the electric wave reverberation chamber is a shielding chamber which is large in size and is formed by high-conductivity reflection wall surfaces, one or more mechanical stirrers or tuners are usually installed in the chamber, the boundary condition of the chamber is changed through the rotation of the stirrers, and then a statistical uniform, isotropic and randomly polarized electromagnetic environment is formed in the chamber. Currently, better done in the industry for testing reverberation room terminals is the RTS65 of Blutest, which is applied by various large terminal manufacturers in the aspect of testing reverberation room terminals.
However, the existing reverberation room terminal testing mechanism can only realize the execution of a single task and is only used for testing a terminal, the loss of a testing space needs to be separately tested by adding software, and the testing efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a terminal test system which can stably run and quickly collect data to test the total TRP radiation power, the total TIS omnidirectional sensitivity, the throughput and the antenna efficiency of a reverberation chamber.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a terminal test system based on a reverberation chamber environment comprises a reverberation chamber, wherein the reverberation chamber is a shielding chamber, a plurality of test antennas and a plurality of turntables are arranged in the reverberation chamber, a plurality of stirrers are arranged in the reverberation chamber, and the stirrers are used for changing the boundary conditions of a chamber in the reverberation chamber through the rotation of the stirrers so as to form a uniform, isotropic and randomly polarized electromagnetic environment in the chamber of the reverberation chamber, and the terminal test system further comprises:
the vector network analyzer is a signal receiving and transmitting device, is connected with a main control computer, generates pulse radio frequency signals with specified parameters under the control of the main control computer, transmits the pulse radio frequency signals through a reference antenna, is received by a test antenna and is transmitted to a receiving port of the vector network analyzer;
the comprehensive tester is signal receiving and sending equipment, is connected with the main control computer and a test terminal, is arranged in the reverberation chamber, transmits signals to the test terminal through a link antenna, and transmits the signals back to a receiving port of the comprehensive tester through the test antenna;
the radio frequency switch control box is used for converting one input channel into four output channels and selecting different output channels by controlling different channel switches;
and the signal output end of the rotary table control box is connected with the rotary table and the stirrer and is used for controlling the actions of the rotary table and the stirrer.
Preferably, the turntable control box, the vector network analyzer and the radio frequency switch control box form a space loss calibration system, the space loss calibration system performs a loss test of the test terminal according to a loss calibration strategy, and the loss calibration strategy is as follows:
s1, performing data connection on the turntable control box, the vector network analyzer and the radio frequency switch control box with the main control computer;
s2, self calibration is carried out on the vector network analyzer: setting a starting frequency point, an ending frequency point, a scanning point number and scanning time corresponding to the test, calibrating the state of the vector network analyzer by using a calibration mechanism, and making a corresponding state file;
s3, recording the file path of the manufactured state file in the vector network analyzer and the name of the current state file, and inputting the corresponding state file in a main control computer for calling when loss calibration is carried out;
s4, selecting a turntable to be controlled, setting a control mode and motion configuration of the turntable, configuring and storing efficiency file data of a reference antenna, and starting calibration;
and S5, after the calibration is completed, completing the configuration of all boundary conditions corresponding to the turntable, and generating a trace acquisition data file of the vector network analyzer correspondingly storing all the boundary conditions on the main control computer.
Preferably, the turntable control box, the vector network analyzer and the turntable form an antenna efficiency testing system, the antenna efficiency testing system tests the transmission efficiency of the antenna according to an efficiency testing strategy, and the efficiency testing strategy is as follows:
s1, performing data connection on the rotary table, the rotary table controller, the vector network analyzer and the main control computer;
s2, configuring test parameters of a reference antenna, installing the reference antenna in a reverberation room, and establishing a test task on a main control computer;
s3, testing and reading data of the vector network analyzer, and calculating S parameters of the reference antenna;
s4, configuring test parameters of the test antenna, and establishing a test task on the main control computer;
s5, testing and reading data of the vector network analyzer, and calculating S parameters of the test antenna;
and S6, calculating and storing the antenna efficiency according to the S parameters of the reference antenna and the test antenna.
Preferably, the test terminal supports LTE 4G network communication.
Preferably, the integrated tester and the main control computer perform a total radiation power test according to a power radiation strategy, where the power radiation strategy is:
s1, configuring test parameters on the main control computer, selecting test types, configuring the test times of each boundary condition, setting the test frame number of the comprehensive tester, and presenting test data for reading after the comprehensive tester finishes reading the specified frame number;
s2, configuring and storing the test mode and bandwidth, the compensation attenuation value and the power value of the comprehensive tester;
s3, starting a test task, establishing signaling connection between the integrated tester and the mobile phone, controlling the rotary table to move to a correspondingly configured initial position by the main control computer, reading and storing test data on the integrated tester, namely a total radiation power value, outputting data processed by a corresponding algorithm from the log on the main control computer, displaying the data in the form of a graph curve, updating the progress bar progress corresponding to the test task form, controlling the rotary table to move to the next position according to the configuration after the data processing is completed, and repeatedly acquiring data flows until the tests of all positions are completed.
Preferably, the comprehensive tester and the main control computer test the total omnidirectional sensitivity according to a sensitivity test strategy, wherein the sensitivity test strategy is as follows:
s1, configuring an error rate, calculating an optimal power value, setting an initial value of power calculation, and setting a test frame number on the comprehensive tester;
and S2, reading the error rate on the comprehensive tester, if the error rate is overlarge, reducing the power, otherwise, increasing the power, finally adjusting the power to be closest to the preset error rate, and reading the current corresponding BW power value for algorithm calculation.
The invention has the advantages and positive effects that:
the invention takes the upper computer as the control and test core of the test system, a user sends a control protocol instruction by operating the upper computer software of the test system to control the corresponding instrument and equipment for testing parameters such as PTF space loss, TRP total radiation power, TIS total omnidirectional sensitivity, throughput, antenna efficiency and the like, can stably run and rapidly acquire data, verifies the signal performance of reverberation room terminal equipment in various modes, does not need to manually set the parameters on the instrument, adopts a multi-task and multi-channel test method, is convenient for test and use, and improves the test efficiency.
Drawings
FIG. 1 is a schematic diagram of the system software components of the present invention;
FIG. 2 is a schematic diagram of the device management architecture of the present invention;
FIG. 3 is a schematic diagram of the components of the spatial loss calibration system of the present invention;
FIG. 4 is a test flow diagram of the spatial loss calibration system of the present invention;
FIG. 5 is a schematic diagram of a testing process of the terminal testing system of the present invention;
fig. 6 is a schematic flow chart of the TRP test of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, the terminal testing system based on the environment of the reverberation chamber according to the present invention includes a reverberation chamber, the reverberation chamber is a shielded chamber, the reverberation chamber has a plurality of testing antennas and a plurality of rotating tables therein, a plurality of mixers are installed in the reverberation chamber, and are used for changing the boundary condition of the chamber in the reverberation chamber by the rotation of the mixers, so as to form an electromagnetic environment with uniform, isotropic, and random polarization in the chamber of the reverberation chamber, and in addition, the terminal testing system further includes:
the vector network analyzer is a signal receiving and transmitting device, is connected with a main control computer, generates pulse radio frequency signals with specified parameters under the control of the main control computer, transmits the pulse radio frequency signals through a reference antenna, is received by a test antenna and is transmitted to a receiving port of the vector network analyzer;
the comprehensive tester is signal receiving and sending equipment and is connected with the main control computer and a test terminal, the test terminal is arranged in the reverberation room, the test terminal supports LTE 4G network communication, the comprehensive tester transmits signals to the test terminal through a link antenna, and the test terminal transmits the signals back to a receiving port of the comprehensive tester through the test antenna;
the radio frequency switch control box is used for converting one input channel into four output channels and selecting different output channels by controlling different channel switches;
and the signal output end of the turntable control box is connected with the turntable and the stirrer and is used for controlling the actions of the plurality of turntables and the stirrer.
The terminal test system can perform the following tests:
as shown in fig. 3 and4, the space loss calibration system is a schematic diagram of the space loss calibration system, the space loss calibration system performs a PTF space loss test of the test terminal according to a loss calibration strategy, and mainly controls the vector network analyzer to receive and transmit pulse radio frequency signals, and acquires trace data of all frequency points corresponding to each boundary condition in the vector network analyzer, wherein the PTF space loss is mainly signal loss in the whole reverberation chamber environment, and a signal transmitted from a reference antenna passes through a reverberation chamber turntable, a stirrer and an inner wall and is stirred layer by layer to reach a test antenna, and the signal loss in the whole process is realized. And acquiring trace data of the vector network analyzer, and calculating by using an algorithm to obtain corresponding space loss data. Theoretically, the calibration of the spatial loss only needs to be performed once at the beginning, the radio frequency cable, the reference antenna and the antenna are guaranteed subsequently, the antenna is tested, under the condition that the whole test environment is not changed, the terminals TRP and TIS are tested, the throughput can directly call the calculated PTF spatial loss for compensation, and the loss calibration strategy is as follows:
s1, performing data connection on the turntable control box, the vector network analyzer and the radio frequency switch control box with the main control computer;
s2, self calibration is carried out on the vector network analyzer: setting a starting frequency point, an ending frequency point, a scanning point number and scanning time corresponding to the test, calibrating the state of the vector network analyzer by using a calibration mechanism, and making a corresponding state file;
s3, recording the file path of the manufactured state file in the vector network analyzer and the name of the current state file, and inputting the corresponding state file in a main control computer for calling when loss calibration is carried out;
s4, selecting a turntable to be controlled, setting a control mode and motion configuration of the turntable, configuring and storing efficiency file data of a reference antenna, and starting calibration;
and S5, after the calibration is completed, completing the configuration of all boundary conditions corresponding to the turntable, and generating a trace acquisition data file of the vector network analyzer correspondingly storing all the boundary conditions on the main control computer.
The calibration modes are divided into the following four types:
normal mode, create 6 traces: s11 real part, S11 imaginary part, S22 real part, S22 imaginary part, S21 real part and S21 imaginary part, reading the trace data corresponding to the 6 traces, and storing the acquired trace data in a folder directory specified by the main control computer; in the calibration process, software calculates the space loss corresponding to each boundary condition in real time and displays the space loss in the form of a graph curve.
Medium normal mode, 3 traces are created: the pair S11, the pair S22 and the pair S21 are only used for facilitating the user to check the current calibration state, and all trace data are saved in the S2p file format under the folder directory specified by the vector network analyzer; in the calibration process, only the corresponding progress bar is displayed on the software interface, and no graph curve is displayed.
And in the Fast common mode, the s2p file stored in the Medium mode test is stored in a local folder from the vector network analyzer, and the call can be carried out to calculate and display the corresponding PTF value in a chart mode.
WideBand PTF normal mode, create 1 trace: s21 logarithm, the trace is only used for facilitating the user to check the current calibration state, the corresponding state file (2 traces in the self-carrying mode: S21 real part, S21 imaginary part) is called, the trace data corresponding to the 3 traces are read, and the acquired trace data are stored in the folder directory appointed by the main control computer; in the calibration process, software calculates the space loss corresponding to each boundary condition in real time and displays the space loss in the form of a graph curve.
The antenna efficiency test system tests the transmission efficiency of the antenna according to an efficiency test strategy, wherein the efficiency test strategy is as follows:
s1, performing data connection on the rotary table, the rotary table controller, the vector network analyzer and the main control computer;
s2, configuring test parameters of a reference antenna, installing the reference antenna in a reverberation room, and establishing a test task on a main control computer;
s3, testing and reading data of the vector network analyzer, and calculating S parameters of the reference antenna;
s4, configuring test parameters of the test antenna, and establishing a test task on the main control computer;
s5, testing and reading data of the vector network analyzer, and calculating S parameters of the test antenna;
and S6, calculating and storing the antenna efficiency according to the S parameters of the reference antenna and the test antenna.
Namely: the test for measuring the antenna efficiency firstly needs to connect a vector network analyzer which needs to be used, and the test can be started after equipment and instruments are normally and successfully connected. Selecting a corresponding test type, and selecting Efficiency;
when the test is carried out for the first time, a reference antenna is installed in a reverberation room environment, the type of the currently connected antenna is selected as the reference antenna, and corresponding parameters are configured: the method comprises the steps of vector network analyzer configuration, turntable configuration, switch box antenna efficiency configuration, loading of a vector network analyzer state file, test and collection of trace data of the vector network analyzer under all boundary conditions, and calculation of S parameters of a reference antenna through an algorithm.
After an S parameter file of a reference antenna is obtained, a corresponding test antenna to be measured is installed in a reverberation room environment, the type of the currently connected antenna is selected as the test antenna, corresponding parameters are configured, the vector network analyzer in the current state in the vector network analyzer is tested and read to acquire trace data, and the S parameter of the test antenna and the efficiency value of the corresponding test antenna are calculated through an algorithm.
As shown in fig. 6, which is a flowchart of testing total TRP radiation power, the power radiation strategy used is:
s1, configuring test parameters on a main control computer, selecting a test type, configuring the test times of each boundary condition, setting the test frame number of the comprehensive tester when the times are more, the relative test result is more accurate, but the time spent on the test is correspondingly longer, and presenting test data for reading after the comprehensive tester finishes reading the specified frame number;
s2, configuring the comprehensive tester: selecting a test Standard: currently, the method supports LTE, GSM and WCDMA, wherein the LTE corresponds to 4G, the GSM corresponds to 3G, and the WCDMA corresponds to 2G, the corresponding system is selected, the terminal also needs to be configured with the corresponding system, and otherwise, the terminal cannot be normally connected; selecting a corresponding test Band, wherein different test modes correspond to different test bands, and the test Band corresponding to the test mode GSM is as follows: GSM 850, P-GSM 900, E-GSM 900, R-GSM 900, GSM 1800(DCS), GSM 1900 (PCS); testing the test Band corresponding to the test standard WCDMA: WCDMA Band 1-WCDMA Band 13; testing Band corresponding to LTE: FDD Band 1-FDD Band22, TDD Band 33-TDD Band 40; configuring bandwidth, outputting and inputting com port, compensating attenuation value and power value;
s3, starting a test task, establishing signaling connection between the integrated tester and the mobile phone, and switching the display state of the state cell corresponding to the test task into: connecting, namely connecting the testing terminal and the comprehensive testing instrument at present, switching the testing state to running and starting to execute the test, wherein the connection is successful; and (3) connection failure, popup window error prompt, test termination, and test starting after the terminal normally establishes signaling connection: the method comprises the following steps that a main control computer controls a rotary table to move to a correspondingly configured initial position, then test data on an integrated tester, namely a total radiation power value, is read and stored, a log is output on the main control computer to correspond to data processed by an algorithm and is displayed in a graph curve mode, the progress bar progress corresponding to a test task form is updated at the same time, after the data processing is completed, the rotary table is controlled to move to the next position according to the configuration, a data flow is repeatedly acquired until the test of all positions is completed, the test result is updated in a test result column corresponding to the test task form, the test state corresponding to the test task form is updated to Finish, meanwhile, corresponding test data are generated and stored in a local computer, a storage path can be configured through a configuration interface, the default is a software installation position, and the default name of a test result data file is: TRP-test channel csv.
The sensitivity test strategy for testing the total isotropic sensitivity of the TIS is as follows:
selecting a corresponding test type and selecting TIS; configuring an error rate for calculating an optimal power value; initial power value of terminal: setting an initial value of power calculation, wherein the power is set properly to ensure that the terminal can be normally and stably connected, and the setting is overlarge, the overall calculation time is long, the setting is undersized, and the terminal is easy to disconnect; the test frame number is set in a parameter of the comprehensive tester, the comprehensive tester needs to read the specified frame number and then can present the test data for reading, the more the frame number is, the more accurate the relative test result is, but the longer the test time is.
The overall operational flow of the TIS test is similar to the TRP test. The TIS test sets power and reads the error rate on the comprehensive tester, if the error rate is too large, the power is reduced, and if the error rate is too small, the power is increased; and finally, adjusting the BW power value to be closest to the preset error rate, reading the current corresponding BW power value, and using the BW power value for algorithm calculation.
And (3) throughput testing: selecting a corresponding test type and selecting Throughput; configuring a throughput limit; configuring an initial power value of a terminal; configuring test related configuration of the comprehensive tester equipment;
the overall operation flow of the throughput test is similar to the TIS test, but the data processing is different, the throughput test sets power and reads the throughput on the comprehensive tester, if the throughput is too large, the power is reduced, and if the throughput is too small, the power is increased; and finally, adjusting the throughput to be closest to the preset throughput, reading the current corresponding throughput for algorithm calculation, and consuming a long time for the whole test because each boundary condition needs to perform a process of searching the optimal power value once.
As shown in fig. 5, which is a flow chart of a terminal test system, when a terminal test is performed, a device that needs to be used is connected first, and the device can start a corresponding test only after the device is connected successfully. After the equipment management module normally connects the equipment to be used through the upper computer software, the test parameter configuration is started.
Clicking a test task adding button, popping up a configuration interface, configuring test related parameter settings on the configuration interface, confirming and storing after completing corresponding configuration, and adding a row of test task tables in a main interface task table, wherein the test task tables are divided into 10 rows: the method comprises the steps of testing serial number, testing task number, testing type, testing mode, testing band, testing channel frequency point, power, current testing state, progress bar and testing result.
Support for multitask execution: adding a plurality of test tasks, and displaying a plurality of corresponding test tasks on a main interface; each row represents 1 test task, multi-task test is configured, and after the first task test is completed, the software automatically executes the next task to start testing
Support for multi-channel execution: adding a plurality of channels, seeing a plurality of options corresponding to a drop-down frame in a test channel column corresponding to a test task table, wherein each option corresponds to 1 channel, configuring a multi-channel test, after the first channel test is completed, automatically executing the next channel to start the test, wherein the multi-channel test is prior to the multi-task test, namely after the multi-task multi-channel is configured, firstly completing the multi-channel test of 1 task, and then executing the test of the next task.
Clicking a test starting button to start testing, and updating the state of the button; clicking a pause button to pause the test; and clicking a stop button to finish stopping the current test.
The invention takes an upper computer as a control and test core of the test system, and a user sends a control protocol instruction to control corresponding instrument equipment by operating upper computer software of the test system, so as to test parameters such as PTF space loss, TRP total radiation power, TIS total omnidirectional sensitivity, throughput, antenna efficiency and the like, stably run and quickly acquire data, and verify the signal performance of reverberation room terminal equipment in various modes.
It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (6)
1. A terminal test system based on a reverberation chamber environment comprises a reverberation chamber, wherein the reverberation chamber is a shielding chamber, a plurality of test antennas and a plurality of turntables are arranged in the reverberation chamber, a plurality of stirrers are arranged in the reverberation chamber and used for changing the boundary conditions of a chamber in the reverberation chamber through the rotation of the stirrers so as to form a uniform, isotropic and randomly polarized electromagnetic environment in the chamber of the reverberation chamber, and the terminal test system is characterized in that: further comprising:
the vector network analyzer is a signal receiving and transmitting device, is connected with a main control computer, generates pulse radio frequency signals with specified parameters under the control of the main control computer, transmits the pulse radio frequency signals through a reference antenna, is received by a test antenna and is transmitted to a receiving port of the vector network analyzer;
the comprehensive tester is signal receiving and sending equipment, is connected with the main control computer and a test terminal, is arranged in the reverberation chamber, transmits signals to the test terminal through a link antenna, and transmits the signals back to a receiving port of the comprehensive tester through the test antenna;
the radio frequency switch control box is used for converting one input channel into four output channels and selecting different output channels by controlling different channel switches;
and the signal output end of the rotary table control box is connected with the rotary table and the stirrer and is used for controlling the actions of the rotary table and the stirrer.
2. The reverberation chamber environment-based terminal test system as set forth in claim 1, wherein: the rotary table control box, the vector network analyzer and the radio frequency switch control box form a space loss calibration system, the space loss calibration system carries out loss test on the test terminal according to a loss calibration strategy, and the loss calibration strategy is as follows:
s1, performing data connection on the turntable control box, the vector network analyzer and the radio frequency switch control box with the main control computer;
s2, self calibration is carried out on the vector network analyzer: setting a starting frequency point, an ending frequency point, a scanning point number and scanning time corresponding to the test, calibrating the state of the vector network analyzer by using a calibration mechanism, and making a corresponding state file;
s3, recording the file path of the manufactured state file in the vector network analyzer and the name of the current state file, and inputting the corresponding state file in a main control computer for calling when loss calibration is carried out;
s4, selecting a turntable to be controlled, setting a control mode and motion configuration of the turntable, configuring and storing efficiency file data of a reference antenna, and starting calibration;
and S5, after the calibration is completed, completing the configuration of all boundary conditions corresponding to the turntable, and generating a trace acquisition data file of the vector network analyzer correspondingly storing all the boundary conditions on the main control computer.
3. The reverberation chamber environment-based terminal test system as set forth in claim 1, wherein: the antenna efficiency testing system comprises the rotary table control box, the vector network analyzer and the rotary table, and is used for testing the transmission efficiency of the antenna according to an efficiency testing strategy, wherein the efficiency testing strategy is as follows:
s1, performing data connection on the rotary table, the rotary table controller, the vector network analyzer and the main control computer;
s2, configuring test parameters of a reference antenna, installing the reference antenna in a reverberation room, and establishing a test task on a main control computer;
s3, testing and reading data of the vector network analyzer, and calculating S parameters of the reference antenna;
s4, configuring test parameters of the test antenna, and establishing a test task on the main control computer;
s5, testing and reading data of the vector network analyzer, and calculating S parameters of the test antenna;
and S6, calculating and storing the antenna efficiency according to the S parameters of the reference antenna and the test antenna.
4. The reverberation chamber environment-based terminal test system as set forth in claim 1, wherein: the test terminal supports LTE 4G network communication.
5. The reverberation chamber environment-based terminal test system as set forth in claim 1, wherein: the comprehensive tester and the main control computer test the total radiation power according to a power radiation strategy, wherein the power radiation strategy is as follows:
s1, configuring test parameters on the main control computer, selecting test types, configuring the test times of each boundary condition, setting the test frame number of the comprehensive tester, and presenting test data for reading after the comprehensive tester finishes reading the specified frame number;
s2, configuring and storing the test mode and bandwidth, the compensation attenuation value and the power value of the comprehensive tester;
s3, starting a test task, establishing signaling connection between the integrated tester and the mobile phone, controlling the rotary table to move to a correspondingly configured initial position by the main control computer, reading and storing test data on the integrated tester, namely a total radiation power value, outputting data processed by a corresponding algorithm from the log on the main control computer, displaying the data in the form of a graph curve, updating the progress bar progress corresponding to the test task form, controlling the rotary table to move to the next position according to the configuration after the data processing is completed, and repeatedly acquiring data flows until the tests of all positions are completed.
6. The reverberation chamber environment-based terminal test system as set forth in claim 1, wherein: the comprehensive tester and the main control computer test the total omnidirectional sensitivity according to a sensitivity test strategy, wherein the sensitivity test strategy is as follows:
s1, configuring an error rate, calculating an optimal power value, setting an initial value of power calculation, and setting a test frame number on the comprehensive tester;
and S2, reading the error rate on the comprehensive tester, if the error rate is overlarge, reducing the power, otherwise, increasing the power, finally adjusting the power to be closest to the preset error rate, and reading the current corresponding BW power value for algorithm calculation.
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