CN-122026989-A - Dual-beam satellite protocol comprehensive testing instrument and dual-beam satellite protocol comprehensive testing method

CN122026989ACN 122026989 ACN122026989 ACN 122026989ACN-122026989-A

Abstract

The application provides a dual-beam satellite protocol comprehensive testing instrument and a dual-beam satellite protocol comprehensive testing method, and relates to the technical field of satellite communication. The method comprises the steps of receiving a test instruction issued by external test tube equipment by a main CPU module, analyzing the test instruction to obtain a first beam parameter and a second beam parameter, receiving the first beam parameter issued by the main CPU module by a first auxiliary CPU module, generating first baseband data based on the first beam parameter, receiving the second beam parameter issued by the main CPU module by a second auxiliary CPU module, generating second baseband data based on the second beam parameter, caching the first baseband data and the second baseband data by a baseband module, and performing radio frequency processing based on the first baseband data and the second baseband data respectively by a radio frequency module to form a first radio frequency signal and a second radio frequency signal. Based on the above, the problem of relatively low test performance in the prior art can be improved.

Inventors

DUAN XUECHAO
CHEN KAIFANG
ZHOU KEJI

Assignees

成都玖锦科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260127

Claims (10)

1. A dual-beam satellite protocol integrated tester, comprising: the main CPU module is used for receiving a test instruction issued by external test tube equipment and analyzing the test instruction to obtain a first beam parameter and a second beam parameter; The first slave CPU module is in communication connection with the master CPU module, and is used for receiving the first beam parameters issued by the master CPU module and generating first baseband data based on the first beam parameters; The second slave CPU module is in communication connection with the master CPU module, and is used for receiving the second beam parameters issued by the master CPU module and generating second baseband data based on the second beam parameters; The baseband module is respectively in communication connection with the first slave CPU module and the second slave CPU module, and is used for caching the first baseband data and the second baseband data respectively issued by the first slave CPU module and the second slave CPU module; And the radio frequency module is in communication connection with the baseband module, wherein the radio frequency module is used for respectively carrying out radio frequency processing on the basis of the first baseband data and the second baseband data issued by the baseband module to form a first radio frequency signal and a second radio frequency signal, and the first radio frequency signal and the second radio frequency signal are used for being sent to satellite terminal equipment to be tested so as to carry out corresponding communication test.
2. The dual beam satellite protocol integration meter of claim 1, wherein the baseband module is configured to, when buffering the first baseband data and the second baseband data: storing the first baseband data and the second baseband data into two pre-configured buffer areas respectively, embedding time stamps into the first baseband data and the second baseband data respectively, and carrying out delay compensation processing on the first baseband data and the second baseband data based on the embedded time stamps so that the first baseband data and the second baseband data are aligned in time.
3. The dual beam satellite protocol integration meter of claim 1, wherein the baseband module is configured to, when buffering the first baseband data and the second baseband data: Determining whether the data amount of the first baseband data of the current buffer memory reaches a predetermined data amount threshold value, whether the data amount of the second baseband data of the current buffer memory reaches the data amount threshold value, and determining whether the first baseband data of the current buffer memory and the second baseband data of the current buffer memory are aligned in time; Generating a synchronous trigger signal when the data volume of the first baseband data of the current buffer reaches the data volume threshold and the data volume of the second baseband data of the current buffer reaches the data volume threshold and the first baseband data of the current buffer and the second baseband data of the current buffer are aligned in time; And transmitting the synchronous trigger signal, the first baseband data and the second baseband data to the radio frequency module, so that the radio frequency module responds to the synchronous trigger signal and synchronously carries out radio frequency processing on the first baseband data and the second baseband data respectively to form a synchronous first radio frequency signal and a synchronous second radio frequency signal.
4. The dual beam satellite protocol integration meter of claim 1, wherein the main CPU module is further communicatively coupled to the radio frequency module, the main CPU module further configured to: acquiring sampling power output by a power detector of the radio frequency module; Determining whether a difference value between the sampling power and a pre-configured power threshold exceeds a pre-configured deviation threshold, and controlling a numerical control attenuator of the radio frequency module to perform power adjustment when the difference value exceeds the deviation threshold.
5. The dual beam satellite protocol integration meter according to any one of claims 1-4, further comprising: the local oscillation module is respectively in communication connection with the main CPU module and the radio frequency module, and is used for responding to a control instruction issued by the main CPU module and providing local oscillation signals for the radio frequency module, so that the radio frequency module can respectively carry out frequency mixing processing on the local oscillation signals and the first baseband data and the second baseband data to form a first radio frequency signal and a second radio frequency signal; The switch matrix module is in communication connection with the main CPU module and the radio frequency module respectively, and is used for responding to a control instruction issued by the main CPU module, determining a radio frequency output channel and sending the first radio frequency signal and the second radio frequency signal to the satellite terminal equipment to be tested so as to perform corresponding communication test.
6. A dual-beam satellite protocol integrated measurement method, which is applied to the dual-beam satellite protocol integrated measurement instrument according to any one of claims 1 to 5, and comprises the following steps: the main CPU module receives a test instruction issued by external test tube equipment and analyzes the test instruction to obtain a first beam parameter and a second beam parameter; The first slave CPU module receives first beam parameters issued by the master CPU module and generates first baseband data based on the first beam parameters, and the second slave CPU module receives second beam parameters issued by the master CPU module and generates second baseband data based on the second beam parameters; the baseband module caches the first baseband data and the second baseband data respectively issued by the first slave CPU module and the second slave CPU module; The radio frequency module respectively carries out radio frequency processing based on the first baseband data and the second baseband data issued by the baseband module to form a first radio frequency signal and a second radio frequency signal, and the first radio frequency signal and the second radio frequency signal are sent to the satellite terminal equipment to be tested so as to carry out corresponding communication test.
7. The dual beam satellite protocol integration method according to claim 6, wherein the step of the baseband module buffering the first baseband data and the second baseband data respectively issued by the first slave CPU module and the second slave CPU module includes: The baseband module stores the first baseband data and the second baseband data respectively issued by the first slave CPU module and the second slave CPU module into two pre-configured buffer areas respectively, embeds time stamps into the first baseband data and the second baseband data respectively, and performs delay compensation processing on the first baseband data and the second baseband data based on the embedded time stamps so that the first baseband data and the second baseband data are aligned in time.
8. The dual beam satellite protocol integration method according to claim 6, wherein the step of the baseband module buffering the first baseband data and the second baseband data respectively issued by the first slave CPU module and the second slave CPU module includes: Determining whether the data amount of the first baseband data of the current buffer memory reaches a predetermined data amount threshold value, whether the data amount of the second baseband data of the current buffer memory reaches the data amount threshold value, and determining whether the first baseband data of the current buffer memory and the second baseband data of the current buffer memory are aligned in time; Generating a synchronous trigger signal when the data volume of the first baseband data of the current buffer reaches the data volume threshold and the data volume of the second baseband data of the current buffer reaches the data volume threshold and the first baseband data of the current buffer and the second baseband data of the current buffer are aligned in time; And transmitting the synchronous trigger signal, the first baseband data and the second baseband data to the radio frequency module, so that the radio frequency module responds to the synchronous trigger signal and synchronously carries out radio frequency processing on the first baseband data and the second baseband data respectively to form a synchronous first radio frequency signal and a synchronous second radio frequency signal.
9. The dual beam satellite protocol integration method according to any one of claims 6-8, wherein the main CPU module is further communicatively connected to the radio frequency module, the dual beam satellite protocol integration method further comprising: the main CPU module acquires sampling power output by the power detector of the radio frequency module, determines whether a difference value between the sampling power and a preset power threshold exceeds a preset deviation threshold, and controls the numerical control attenuator of the radio frequency module to perform power adjustment when the difference value exceeds the deviation threshold.
10. The dual-beam satellite protocol integration method according to any one of claims 6-8, further comprising: After the baseband module caches the first baseband data and the second baseband data respectively issued by the first slave CPU module and the second slave CPU module, the baseband module respectively generates corresponding first feedback information and second feedback information, sends the first feedback information to the first slave CPU module and sends the second feedback information to the second slave CPU module; The first slave CPU module receives first feedback information sent by the baseband module and sends the first feedback information to the master CPU module; the second slave CPU module receives second feedback information sent by the baseband module and sends the second feedback information to the master CPU module; The main CPU module receives first feedback information and second feedback information respectively sent by the first auxiliary CPU module and the second auxiliary CPU module, and sends the first feedback information and the second feedback information to the external pipe measuring equipment.

Description

Dual-beam satellite protocol comprehensive testing instrument and dual-beam satellite protocol comprehensive testing method Technical Field The application relates to the technical field of satellite communication, in particular to a dual-beam satellite protocol comprehensive testing instrument and a dual-beam satellite protocol comprehensive testing method. Background Currently, a satellite communication protocol comprehensive tester is used as core testing equipment for research and development of a satellite communication chip/module/terminal, and a communication architecture of the comprehensive tester mainly surrounds a single-beam simulation or simple dual-beam parallel working mode design. However, in the prior art, the satellite communication protocol comprehensive tester has the problem of relatively low performance. Disclosure of Invention In view of the above, the present application is directed to a dual-beam satellite protocol integrated tester and a dual-beam satellite protocol integrated testing method, so as to solve the problem of relatively low testing performance in the prior art. In order to achieve the above purpose, the application adopts the following technical scheme: a dual beam satellite protocol integrated tester, comprising: the main CPU module is used for receiving a test instruction issued by external test tube equipment and analyzing the test instruction to obtain a first beam parameter and a second beam parameter; The first slave CPU module is in communication connection with the master CPU module, and is used for receiving the first beam parameters issued by the master CPU module and generating first baseband data based on the first beam parameters; The second slave CPU module is in communication connection with the master CPU module, and is used for receiving the second beam parameters issued by the master CPU module and generating second baseband data based on the second beam parameters; The baseband module is respectively in communication connection with the first slave CPU module and the second slave CPU module, and is used for caching the first baseband data and the second baseband data respectively issued by the first slave CPU module and the second slave CPU module; And the radio frequency module is in communication connection with the baseband module, wherein the radio frequency module is used for respectively carrying out radio frequency processing on the basis of the first baseband data and the second baseband data issued by the baseband module to form a first radio frequency signal and a second radio frequency signal, and the first radio frequency signal and the second radio frequency signal are used for being sent to satellite terminal equipment to be tested so as to carry out corresponding communication test. In a preferred option of the present application, in the dual-beam satellite protocol integrated tester, when buffering the first baseband data and the second baseband data, the baseband module is specifically configured to: storing the first baseband data and the second baseband data into two pre-configured buffer areas respectively, embedding time stamps into the first baseband data and the second baseband data respectively, and carrying out delay compensation processing on the first baseband data and the second baseband data based on the embedded time stamps so that the first baseband data and the second baseband data are aligned in time. In a preferred option of the present application, in the dual-beam satellite protocol integrated tester, when buffering the first baseband data and the second baseband data, the baseband module is specifically configured to: Determining whether the data amount of the first baseband data of the current buffer memory reaches a predetermined data amount threshold value, whether the data amount of the second baseband data of the current buffer memory reaches the data amount threshold value, and determining whether the first baseband data of the current buffer memory and the second baseband data of the current buffer memory are aligned in time; Generating a synchronous trigger signal when the data volume of the first baseband data of the current buffer reaches the data volume threshold and the data volume of the second baseband data of the current buffer reaches the data volume threshold and the first baseband data of the current buffer and the second baseband data of the current buffer are aligned in time; And transmitting the synchronous trigger signal, the first baseband data and the second baseband data to the radio frequency module, so that the radio frequency module responds to the synchronous trigger signal and synchronously carries out radio frequency processing on the first baseband data and the second baseband data respectively to form a synchronous first radio frequency signal and a synchronous second radio frequency signal. In a preferred option of the present application, in the dual-beam satellite protocol inte