CN117560069A - Broadcast number system and method for satellite terminal data link verification - Google Patents
Broadcast number system and method for satellite terminal data link verification Download PDFInfo
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- CN117560069A CN117560069A CN202410045805.1A CN202410045805A CN117560069A CN 117560069 A CN117560069 A CN 117560069A CN 202410045805 A CN202410045805 A CN 202410045805A CN 117560069 A CN117560069 A CN 117560069A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a broadcast number system and a method thereof for satellite terminal data link verification, wherein the system comprises: a waveform selection module: waveform files with different bandwidths are selected for RRU radio frequency link verification of different devices; waveform file reading module: reading and caching the bandwidth signals selected in the waveform selection module; and a data scheduling module: the data is controlled to be read and written in the reading and writing directions according to the fixed length sequence, and meanwhile, a scheduling module is arranged in the data scheduling module for switching the functions of the two aspects; a broadcast number link selection module: circularly outputting broadband data according to the selected link position; and a data transmitting module: transmitting the data sent by the broadcast number link selection module to a JESD channel connected with a radio frequency data link to be verified; the invention can demodulate various bandwidth signals during the verification of the radio frequency data link of the terminal equipment in satellite communication, and is more efficient and convenient without depending on the opposite terminal equipment.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to application of a QDR chip, and verification of a data link of a satellite terminal is performed through the QDR chip.
Background
QDR SRAM (Quad Data Rate Static Random Access Memory) is widely popularized as a widely applied data storage technology, and provides a technical foundation for solving the problem of large-capacity data storage in data link verification by virtue of the advantages of strong storage stability, high speed and large memory.
The data verification of the satellite terminal can only verify the correctness of the satellite terminal when the satellite terminal is in butt joint with the opposite terminal, and the wave signal which can be sent by the opposite terminal is single. The communication process not only needs the matching of opposite ends, but also solves the problem of the module where the two parties cannot normally communicate, and has no efficient positioning means, so that in order to improve the verification efficiency of satellite terminal products, a method for verifying the satellite terminal data link is necessary to be found.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a broadcasting number system and a broadcasting number method for satellite terminal data link verification, and the technical scheme provided by the invention is adopted to solve the problems: the satellite terminal can automatically verify the correctness of the data link under the condition of no opposite terminal, so that the verification efficiency is improved, and the position of the data link can be accurately positioned in the verification process, so that the verification and the debugging of the satellite terminal are more efficient and convenient, and the development and debugging period is shortened.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a broadcast number system and method for satellite terminal data link verification, which inserts broadband signal data in front of JESD module in FPGA for satellite terminal data link verification, includes:
a waveform selection module: selecting waveform files with different bandwidths for satellite terminal data link verification of different devices;
waveform file reading module: reading and caching the bandwidth signals selected in the waveform selection module;
and a data scheduling module: the reading direction, in which the control data are read from a piece of the waveform file reading module according to a fixed length sequence and stored in the QDR SRAM; the writing direction, in which the control data is read out from the QDR SRAM according to a fixed length sequence and written into the broadcast number link selection module; meanwhile, the data scheduling module internally comprises a scheduling module for selecting the two directions;
a broadcast number link selection module: firstly, selecting a radio frequency data link to be verified, then writing data read out from a QDR SRAM into a corresponding buffer area of the data link to be verified in a broadcast number link selection module, and circularly outputting 10ms broadband data according to the selected link position;
and a data transmitting module: and transmitting the data sent by the broadcast number link selection module to a JESD channel connected with the radio frequency data link to be verified, wherein the JESD channel is used for demodulation of a constellation diagram and judgment of radio frequency performance, and controlling the start and end of data transmission.
The invention also provides a verification method of the broadcast number system for satellite terminal data link verification, which comprises the following steps:
step 1: the waveform selection module selects a test broadband signal file according to the satellite terminal data link to be tested, and sends the broadband signal file to the waveform file reading module.
Step 2: read waveform file and pull high the date_writeover signal:
the waveform file reading module triggers data link verification after receiving the waveform file sent by the waveform selection module, and when the waveform file reading module completely reads out all bandwidth signal data, the data_writeover signal is pulled up and transmitted to the data scheduling module;
step 3: and (3) data scheduling:
when the date_writeover signal is pulled up, a scheduling module in the data scheduling module selects a reading direction, buffered bandwidth signal data is read from a waveform file reading module according to a fixed length sequence and written into a QDR SRAM, when buffered data reading is finished, a date_readover signal is given to the scheduling module in the data scheduling module, the scheduling module receives the date_readover signal and then cuts the data into a writing direction, and writing direction control data is read from the QDR SRAM according to the fixed length sequence and written into the broadcast number link selection module;
step 4: the broadcast number link selection module writes data into a buffer area corresponding to the radio frequency data link to be verified according to the radio frequency data link to be verified selected by the selection parameters, and circularly outputs 10ms broadband data to the data transmission module according to the selected link position;
step 5: the data transmitting module controls the start and end of data transmission, and transmits the data sent by the broadcast number link selecting module to a JESD channel connected with a radio frequency data link to be verified for demodulation of a constellation diagram and judgment of radio frequency performance.
The beneficial effects are that: compared with the prior art, the technical scheme provided by the invention can select different broadband signals to verify different radio frequency links on the satellite terminal, so that the position of a problem of the link can be easily positioned, further, more accurate test and analysis are realized, the complicated package re-verification process is simplified, the satellite terminal can automatically verify the correctness of the data link under the condition of no opposite terminal, the verification efficiency is improved, and in addition, the position of the data link can be accurately positioned in the verification process, so that the verification and debugging of the satellite terminal are more efficient and convenient, and the development and debugging period is shortened.
Drawings
Fig. 1 is a schematic diagram of a broadcast number system for verifying a satellite terminal data link according to this embodiment.
Fig. 2 is a schematic diagram of an implementation method of the broadcast number system for satellite terminal data link verification according to the present embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
At present, the correctness of the data verification of the satellite terminal can be verified only when the satellite terminal is in butt joint with the opposite terminal, and the wave signal which can be sent by the opposite terminal is single. The communication process not only needs the matching of opposite ends, but also solves the problem of the module where the two parties cannot normally communicate, and has no efficient positioning means, so that in order to improve the verification efficiency of satellite terminal products, a method for verifying the satellite terminal data link is necessary to be found.
Referring to fig. 1, in order to solve the above technical problems, the present embodiment provides a broadcast number system and method for verifying a data link of a satellite terminal, including a received waveform selection module, a waveform file reading module, a data scheduling module, a broadcast number link selection module, and a data transmitting module, which specifically includes:
a waveform selection module: selecting waveform files with different bandwidths for satellite terminal data link verification of different devices;
waveform file reading module: reading and caching the bandwidth signals selected in the waveform selection module;
and a data scheduling module: the reading direction, in which the control data are read from a piece of the waveform file reading module according to a fixed length sequence and stored in the QDR SRAM; the writing direction, in which the control data is read out from the QDR SRAM according to a fixed length sequence and written into the broadcast number link selection module; meanwhile, the data scheduling module internally comprises a scheduling module for selecting the two directions;
a broadcast number link selection module: firstly, selecting a radio frequency data link to be verified, then writing data read out from a QDR SRAM into a corresponding buffer area of the data link to be verified in a broadcast number link selection module, and circularly outputting 10ms broadband data according to the selected link position;
and a data transmitting module: transmitting the data sent by the broadcast number link selection module to a JESD channel connected with a radio frequency data link to be verified, wherein the JESD channel is used for demodulation of a constellation diagram and judgment of radio frequency performance, and controlling the start and end of data transmission;
the invention also provides a broadcasting number system and a broadcasting number method for satellite terminal data link verification, comprising the following steps:
step 1: the waveform selection module selects a test broadband signal file according to the satellite terminal data link to be tested, and sends the broadband signal file to the waveform file reading module.
Step 2: read waveform file and pull high the date_writeover signal:
the waveform file reading module triggers data link verification after receiving the waveform file sent by the waveform selection module, and when the waveform file reading module completely reads out all bandwidth signal data, the data_writeover signal is pulled up and transmitted to the data scheduling module;
step 3: and (3) data scheduling:
when the date_writeover signal is pulled up, a scheduling module in the data scheduling module selects a reading direction, buffered bandwidth signal data is read from a waveform file reading module according to a fixed length sequence and written into a QDR SRAM, when buffered data reading is finished, a date_readover signal is given to the scheduling module in the data scheduling module, the scheduling module receives the date_readover signal and then cuts the data into a writing direction, and writing direction control data is read from the QDR SRAM according to the fixed length sequence and written into the broadcast number link selection module;
step 4: the broadcast number link selection module writes data into a buffer area corresponding to the radio frequency data link to be verified according to the radio frequency data link to be verified selected by the selection parameters, and circularly outputs 10ms broadband data to the data transmission module according to the selected link position;
step 5: the data transmitting module controls the start and end of data transmission, and transmits the data sent by the broadcast number link selecting module to a JESD channel connected with a radio frequency data link to be verified for demodulation of a constellation diagram and judgment of radio frequency performance.
By applying the technical scheme provided by the invention, different broadband signals can be selected on the middle end of the satellite to verify different radio frequency links, the position of the problem of the link can be easily positioned, further more accurate test and analysis are realized, the complicated package re-verification process is simplified, the satellite terminal can automatically verify the correctness of the data link under the condition of no opposite end, thus the verification efficiency is improved, and in the verification process, the position of the problem of the data link can be accurately positioned, so that the verification and debugging of the satellite terminal are more efficient and convenient, and the development and debugging period is shortened.
While the invention has been described in terms of preferred embodiments, the embodiments and drawings are not intended to limit the invention, but rather, various modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention should, therefore, be determined with reference to the appended claims.
Claims (4)
1. A broadcast count system for satellite terminal data link verification, comprising:
a waveform selection module: selecting waveform files with different bandwidths for satellite terminal data link verification of different devices;
waveform file reading module: reading and caching the bandwidth signals selected in the waveform selection module;
and a data scheduling module: the reading direction, in which the control data are read from a piece of the waveform file reading module according to a fixed length sequence and stored in the QDR SRAM; the writing direction, in which the control data is read out from the QDR SRAM according to a fixed length sequence and written into the broadcast number link selection module; meanwhile, the data scheduling module internally comprises a scheduling module for selecting the two directions;
a broadcast number link selection module: firstly, selecting a radio frequency data link to be verified, then writing data read out from a QDR SRAM into a corresponding buffer area of the data link to be verified in a broadcast number link selection module, and circularly outputting 10ms broadband data according to the selected link position;
and a data transmitting module: and transmitting the data sent by the broadcast number link selection module to a JESD channel connected with the radio frequency data link to be verified, wherein the JESD channel is used for demodulation of a constellation diagram and judgment of radio frequency performance, and controlling the start and end of data transmission.
2. The broadcast count system for satellite terminal data link verification of claim 1, wherein: the waveform selection module selects a corresponding bandwidth signal file according to the link verification requirement and transmits the file to the waveform file reading module, and the waveform file reading module caches the IQ data in the received broadband signal file;
when all the caches are finished, a date_writeover signal is given to the data scheduling module, the data scheduling module triggers a scheduling module in the data scheduling module after receiving the date_writeover signal, the scheduling module cuts into a reading direction, and the reading direction control data reads out cached bandwidth signal data from the waveform file reading module according to a fixed length sequence and writes the cached bandwidth signal data into the QDR SRAM;
when the reading of the cache data is finished, giving a date_readover signal to a scheduling module in the data scheduling module, and switching to a writing direction after the scheduling module receives the date_readover signal, wherein the writing direction control data is read out from the QDR SRAM according to a fixed length sequence and written into the broadcasting number link selection module;
the broadcast number link selection module writes data into a buffer area corresponding to the radio frequency data link to be verified according to the radio frequency data link to be verified selected by the selection parameters, and circularly outputs 10ms broadband data to the data transmission module according to the selected link position.
3. The broadcast count system for satellite terminal data link verification of claim 2, wherein: the data scheduling module comprises: the device comprises a reading direction control module, a writing direction control module and a scheduling module.
4. A method of verifying a broadcast count system for satellite terminal data link verification according to any one of claims 1-3, comprising the steps of:
step 1: the waveform selection module selects a test broadband signal file according to a satellite terminal data link to be tested, and sends the broadband signal file to the waveform file reading module;
step 2: read waveform file and pull high the date_writeover signal:
the waveform file reading module triggers data link verification after receiving the waveform file sent by the waveform selection module, and when the waveform file reading module completely reads out all bandwidth signal data, the data_writeover signal is pulled up and transmitted to the data scheduling module;
step 3: and (3) data scheduling:
when the date_writeover signal is pulled up, a scheduling module in the data scheduling module selects a reading direction, buffered bandwidth signal data is read from a waveform file reading module according to a fixed length sequence and written into a QDR SRAM, when buffered data reading is finished, a date_readover signal is given to the scheduling module in the data scheduling module, the scheduling module receives the date_readover signal and then cuts the data into a writing direction, and writing direction control data is read from the QDR SRAM according to the fixed length sequence and written into the broadcast number link selection module;
step 4: the broadcast number link selection module writes data into a buffer area corresponding to the radio frequency data link to be verified according to the radio frequency data link to be verified selected by the selection parameters, and circularly outputs 10ms broadband data to the data transmission module according to the selected link position;
step 5: the data transmitting module controls the start and end of data transmission, and transmits the data sent by the broadcast number link selecting module to a JESD channel connected with a radio frequency data link to be verified for demodulation of a constellation diagram and judgment of radio frequency performance.
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