CN107864005B - Portable satellite communication control system, satellite communication method and terminal device - Google Patents
Portable satellite communication control system, satellite communication method and terminal device Download PDFInfo
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- 238000007726 management method Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 15
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- 238000004148 unit process Methods 0.000 claims description 5
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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
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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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Abstract
The invention is suitable for the technical field of satellite communication, and provides a portable satellite communication control system, a satellite communication method and terminal equipment, wherein the system comprises: the system comprises a solar antenna panel, a power supply management unit, a main control unit, a servo control unit and a signal processing unit; the input end of the power supply management unit is connected with the solar antenna panel, and the output end of the power supply management unit is respectively connected with the main control unit, the servo control unit and the signal processing unit; the main control unit is respectively connected with the servo control unit and the signal processing unit; the solar antenna panel is respectively connected with the servo control unit and the signal processing unit. The portable satellite communication control system provided by the invention has the advantages of small volume, simple structure and convenience in operation.
Description
Technical Field
The invention belongs to the technical field of satellite communication, and particularly relates to a portable satellite communication control system, a satellite communication method and terminal equipment.
Background
Satellite communication is a communication method for realizing communication between two or more earth stations by simply using an artificial satellite as a relay station to transmit or reflect radio waves between radio communication stations on earth, and is one of the important communication means in the present society.
The existing satellite communication control system is composed of a plurality of modules, the equipment is very complex and heavy, the operation is complex, and the field erection is not facilitated under the emergency application condition.
Disclosure of Invention
In view of this, embodiments of the present invention provide a portable satellite communication control system, a satellite communication method, and a terminal device, so as to solve the problems of complex and heavy equipment and complicated operation of the satellite communication control system in the prior art.
A first aspect of an embodiment of the present invention provides a portable satellite communication control system, including: the system comprises a solar antenna panel, a power supply management unit, a main control unit, a servo control unit and a signal processing unit; the input end of the power supply management unit is connected with the solar antenna panel, and the output end of the power supply management unit is respectively connected with the main control unit, the servo control unit and the signal processing unit; the main control unit is respectively connected with the servo control unit and the signal processing unit; the solar antenna panel is respectively connected with the servo control unit and the signal processing unit;
the solar antenna panel generates power by using solar energy and transmits electric energy to the power supply management unit;
the power supply management unit supplies power to the main control unit, the servo control unit and the signal processing unit;
the main control unit controls the servo control unit to drive the solar antenna panel to search and aim at satellites so as to enable the solar antenna panel to establish communication connection with a satellite;
the signal processing unit receives a satellite signal, demodulates the satellite signal and then sends the demodulated satellite signal to the main control unit;
and the main control unit processes the demodulated satellite signal and sends the processed satellite signal to a user terminal.
Optionally, the main control unit further includes a positioning subunit, and the position information of the solar antenna panel is obtained through the positioning subunit.
Optionally, the main control unit further includes a wireless network connection subunit, and the user terminal is connected to the main control unit through the wireless network connection subunit.
Optionally, the servo control unit includes an H-bridge and a motor, and the H-bridge is connected to the main control unit and the motor respectively; the motor is connected with the solar antenna panel.
Optionally, the system further includes: the state detection unit is connected with the power supply management unit, the solar antenna panel and the main control unit; the state detection unit detects the solar antenna panel, acquires the state information of the solar antenna panel and sends the state information to the main control unit, so that the main control unit sends the state information to the user terminal.
A second aspect of an embodiment of the present invention provides a satellite communication method applied to the portable satellite communication control system according to any one of claims 1 to 5, the method including:
the method comprises the steps that a main control unit receives a satellite searching instruction sent by a user terminal and loads satellite parameter information according to the satellite searching instruction;
the main control unit controls the servo control unit to drive the solar antenna panel to search and aim at satellites according to the satellite parameter information, so that the solar antenna panel is in communication connection with the satellites;
the solar antenna panel receives satellite signals;
the signal processing unit receives the satellite signal from the solar antenna panel, demodulates the satellite signal to obtain a first satellite signal, and sends the first satellite signal to the main control unit;
and the main control unit processes the first satellite signal to obtain a second satellite signal, and sends the second satellite signal to the user terminal.
Optionally, the method further includes:
the main control unit receives the signal sent by the user terminal, processes the signal to obtain a first signal, and sends the first signal to the signal processing unit;
the signal processing unit modulates the first signal to obtain a second signal and sends the second signal to the solar antenna panel;
the solar antenna panel transmits a second signal.
Optionally, before the solar antenna panel receives the satellite signal, the method further includes:
the servo control unit sends the satellite aiming information to the main control unit, so that the main control unit forwards the satellite aiming information to the user terminal.
A third aspect of the embodiments of the present invention provides a satellite communication terminal device, including a memory, a processor, and a computer program stored in the memory and operable on the processor, wherein the processor, when executing the computer program, implements the steps of the method as described above.
A fourth aspect of the embodiments of the present invention provides a computer-readable storage medium, which stores a computer program, wherein the computer program, when executed by a processor, implements the steps of the method as described above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects: the embodiment of the invention integrates and modularizes the portable satellite communication control system, so that the system has the advantages of reduced volume, simple structure and simple and convenient operation, and the antenna panel adopts the solar antenna panel, does not need additional battery equipment for power supply and saves the cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a block diagram illustrating a portable satellite communication control system according to an embodiment of the present invention;
fig. 2 is a flowchart of an implementation of a satellite communication method according to a second embodiment of the present invention;
fig. 3 is a flowchart of an implementation of a satellite communication method according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of a terminal device in a satellite communication method according to a third embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Example one
Referring to fig. 1, fig. 1 is a block diagram of a portable satellite communication control system according to an embodiment of the present invention, where the portable satellite communication control system 100 includes: the solar antenna system comprises a solar antenna panel 101, a power supply management unit 102, a main control unit 103, a servo control unit 104 and a signal processing unit 105. The input end of the power supply management unit 102 is connected to the solar antenna panel 101, and the output end of the power supply management unit 102 is connected to the main control unit 103, the servo control unit 104, and the signal processing unit 105, respectively. The main control unit 103 is connected to the servo control unit 104 and the signal processing unit 105, respectively. The solar antenna panel 101 is connected to the servo control unit 104 and the signal processing unit 105, respectively.
In the embodiment of the present invention, the solar antenna panel 101 generates power through solar energy and transmits the power to the power supply management unit 102, and the power supply management unit 102 performs dynamic management of power storage and discharge on the power and supplies power to the main control unit 103, the servo control unit 104 and the signal processing unit 105, so as to stabilize the power supply of the portable satellite communication control system 100.
The main control unit 103 includes a central processing unit, and the software system may adopt an open-source linux system. The main control unit 103 controls the servo control unit 104 to drive the solar antenna panel 101 to perform satellite search and satellite alignment, so that the solar antenna panel 101 and a satellite establish communication connection. After the satellite is aimed, the satellite, the solar antenna panel 101, the signal processing unit 104 and the main control unit 103 form a satellite communication link.
The servo control unit 104 comprises an H-bridge and a motor, and the H-bridge is respectively connected with the main control unit 103 and the motor; the motor is connected to the solar antenna panel 101. The H-bridge is a dc motor control circuit, and controls the motor through the H-bridge, thereby causing the motor to drive the solar antenna panel 101. The motors include an azimuth motor, a pitch motor, and a polarization motor.
The signal processing unit 105 is a modem, and the signal processing unit 105 receives a satellite signal, demodulates the satellite signal, and sends the demodulated satellite signal to the main control unit 103.
The main control unit 103 processes the demodulated satellite signal and sends the processed satellite signal to the user terminal.
The main control unit 103 further comprises a wireless network connection subunit, and the user terminal is connected with the main control unit through the wireless network connection subunit. Through the wireless network connection subunit, a plurality of user terminals can be connected with the main control unit, so that the satellite communication link can be shared to the plurality of user terminals. The wireless network subunit may be a WIFI module.
Optionally, the main control unit further includes a positioning subunit, and the position information of the solar antenna panel 101 is obtained through the positioning subunit. The user terminal may obtain the position information of the solar antenna panel 101 through the positioning subunit. The positioning subunit is a GPS.
Optionally, the system further includes: and the state detection unit is connected with the power supply management unit 102, the solar antenna panel 101 and the main control unit 103. The state detection unit detects the solar antenna panel 101, acquires state information of the solar antenna panel 101, and sends the state information to the main control unit 103, so that the main control unit 103 sends the state information to the user terminal. The state detection unit may perform real-time detection on the solar antenna panel 101, acquire state information in real time, and send the state information to the main control unit 103, or may detect the solar antenna panel 101 once at preset time intervals, acquire the state information, and send the state information to the main control unit 103. The main control unit 103 sends the state information to the user terminal, so that the user can obtain the state of the solar antenna panel 101 from the user terminal in real time. The state information includes, but is not limited to, azimuth information, angle information, longitude and latitude information, and power generation information of the solar antenna panel 101.
The embodiment of the invention integrates and modularizes the portable satellite communication control system, so that the system has the advantages of reduced volume, simple structure and simple and convenient operation, and the antenna panel adopts the solar antenna panel, does not need additional battery equipment for power supply and saves the cost.
Example two
Referring to fig. 2, fig. 2 is a flowchart illustrating an implementation of a satellite communication method according to a second embodiment of the present invention, where the method is applied to a portable satellite communication control system according to the first embodiment of the present invention, and the method includes:
step S201, a main control unit receives a satellite searching instruction sent by a user terminal, and loads satellite parameter information according to the satellite searching instruction.
In the embodiment of the invention, the user terminal is connected with the main control unit and sends the satellite searching instruction to the main control unit, and the satellite searching instruction comprises satellite identification information, such as a satellite model. The main control unit stores satellite parameter information of a plurality of satellites and loads satellite parameter information of corresponding satellites according to the satellite searching instruction. The satellite parameter information includes, but is not limited to, satellite longitude and latitude information, pitch angle information, and polarization angle information. For example, if the satellite searching instruction sent by the user terminal is a satellite searching assistant number, the main control unit receives the satellite searching instruction and loads satellite parameter information of the assistant number.
And S202, the main control unit controls the servo control unit to drive the solar antenna panel to search and aim at the satellite according to the satellite parameter information, so that the solar antenna panel and the satellite are in communication connection.
In the embodiment of the invention, the main control unit controls the servo control unit according to the satellite parameter information, so that the servo control unit drives the solar antenna panel to search and aim at satellites, the solar antenna panel is in communication connection with the satellites, and the satellites, the solar antenna panel, the signal processing unit and the main control unit form a satellite communication link for a user terminal to use.
Step S203, the solar antenna panel receives satellite signals.
Optionally, before step S203, the method further includes: the servo control unit sends the satellite aiming information to the main control unit, so that the main control unit forwards the satellite aiming information to the user terminal.
In the embodiment of the invention, after the star searching and the star aiming are finished, the servo control unit sends the star aiming information to the main control unit, and the main control unit sends the star aiming information to the user terminal, so that the user can know the star aiming effect through the user terminal. The satellite-to-satellite information includes, but is not limited to, local latitude and longitude information, satellite parameter information, and signal strength information.
And S204, receiving the satellite signal from the solar antenna panel by the signal processing unit, demodulating the satellite signal to obtain a first satellite signal, and sending the first satellite signal to the main control unit.
Step S205, the main control unit processes the first satellite signal to obtain a second satellite signal, and sends the second satellite signal to the user terminal.
In the embodiment of the present invention, the receiving of the satellite signal and the sending of the satellite signal to the user terminal are implemented through steps S203 to S205.
Referring to fig. 3, the method further includes:
step S301, the main control unit receives the signal sent by the user terminal, processes the signal to obtain a first signal, and sends the first signal to a signal processing unit;
step S302, the signal processing unit modulates the first signal to obtain a second signal and sends the second signal to the solar antenna panel;
step S303, the solar antenna panel transmits a second signal.
In the embodiment of the present invention, the transmission of the satellite signal is realized through steps S301 to S303.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
EXAMPLE III
Fig. 4 is a schematic diagram of a terminal device according to a satellite communication method provided in an embodiment of the present invention. As shown in fig. 4, the satellite communication terminal device 4 of the embodiment includes: a processor 40, a memory 41 and a computer program 42 stored in said memory 41 and executable on said processor 40. The processor 40, when executing the computer program 42, implements the steps in the various embodiments of the satellite communication method described above, such as the steps S201 to S205 shown in fig. 2.
The satellite communication terminal device 4 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The satellite communication terminal device may include, but is not limited to, a processor 40, a memory 41. Those skilled in the art will appreciate that fig. 4 is only an example of the satellite communication terminal apparatus 4, and does not constitute a limitation to the satellite communication terminal apparatus 4, and may include more or less components than those shown, or combine some components, or different components, for example, the satellite communication terminal apparatus may further include an input-output device, a network access device, a bus, and the like.
The Processor 40 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 41 may be an internal storage unit of the satellite communication terminal device 4, such as a hard disk or a memory of the satellite communication terminal device 4. The memory 41 may also be an external storage device of the satellite communication terminal device 4, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), or the like provided on the satellite communication terminal device 4. Further, the memory 41 may also include both an internal storage unit and an external storage device of the satellite communication terminal device 4. The memory 41 is used to store the computer program and other programs and data required by the satellite communication terminal device. The memory 41 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A portable satellite communications control system, comprising: the system comprises a solar antenna panel, a power supply management unit, a main control unit, a servo control unit and a signal processing unit;
the input end of the power supply management unit is connected with the solar antenna panel, and the output end of the power supply management unit is respectively connected with the main control unit, the servo control unit and the signal processing unit;
the main control unit is respectively connected with the servo control unit and the signal processing unit; the solar antenna panel is respectively connected with the servo control unit and the signal processing unit;
the solar antenna panel generates power by using solar energy and transmits electric energy to the power supply management unit;
the power supply management unit supplies power to the main control unit, the servo control unit and the signal processing unit;
the main control unit controls the servo control unit to drive the solar antenna panel to search and aim at satellites so as to enable the solar antenna panel to establish communication connection with a satellite;
the solar antenna panel receives satellite signals;
the signal processing unit receives the satellite signal from the solar antenna panel, demodulates the satellite signal and sends the demodulated satellite signal to the main control unit;
and the main control unit processes the demodulated satellite signal and sends the processed satellite signal to a user terminal.
2. The portable satellite communications control system of claim 1, wherein the master control unit further comprises a positioning subunit by which to obtain position information of the solar antenna panel.
3. The portable satellite communications control system of claim 1, wherein the main control unit further comprises a wireless network connection subunit, and the user terminal is connected to the main control unit through the wireless network connection subunit.
4. The portable satellite communication control system of claim 1, wherein the servo control unit includes an H-bridge and a motor, the H-bridge being connected to the main control unit and the motor, respectively; the motor is connected with the solar antenna panel.
5. The portable satellite communications control system of claim 1, wherein the system further comprises: the state detection unit is respectively connected with the power supply management unit, the solar antenna panel and the main control unit; the state detection unit detects the solar antenna panel, acquires the state information of the solar antenna panel and sends the state information to the main control unit, so that the main control unit sends the state information to the user terminal.
6. A satellite communication method applied to the portable satellite communication control system according to any one of claims 1 to 5, the method comprising:
the method comprises the steps that a main control unit receives a satellite searching instruction sent by a user terminal and loads satellite parameter information according to the satellite searching instruction;
the main control unit controls the servo control unit to drive the solar antenna panel to search and aim at satellites according to the satellite parameter information, so that the solar antenna panel is in communication connection with the satellites;
the solar antenna panel receives satellite signals;
the signal processing unit receives the satellite signal from the solar antenna panel, demodulates the satellite signal to obtain a first satellite signal, and sends the first satellite signal to the main control unit;
and the main control unit processes the first satellite signal to obtain a second satellite signal, and sends the second satellite signal to the user terminal.
7. The satellite communication method of claim 6, wherein the method further comprises:
the main control unit receives the signal sent by the user terminal, processes the signal to obtain a first signal, and sends the first signal to the signal processing unit;
the signal processing unit modulates the first signal to obtain a second signal and sends the second signal to the solar antenna panel;
the solar antenna panel transmits a second signal.
8. The satellite communications method of claim 6, wherein prior to the solar antenna panel receiving the satellite signal, the method further comprises:
the servo control unit sends the satellite aiming information to the main control unit, so that the main control unit forwards the satellite aiming information to the user terminal.
9. Satellite communication terminal device comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor realizes the steps of the method according to any of claims 6 to 8 when executing said computer program.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 6 to 8.
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