CN114531195A - Multi-mode multi-caliber multi-frequency-band backpack satellite station - Google Patents
Multi-mode multi-caliber multi-frequency-band backpack satellite station Download PDFInfo
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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
- H04B7/18515—Transmission equipment in satellites or space-based relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
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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 multi-mode multi-caliber multi-band backpack satellite station, which comprises a satellite antenna, an integrated radio frequency assembly and a platform, wherein the integrated radio frequency assembly comprises: an up-conversion power amplifier BUC and a low noise down-conversion amplifier LNB, the platform comprising: modem, multimode detection module, clinometer, GPS, antenna controller, antenna servo and polarization sensor, multimode detection module includes: the power divider comprises a direct current isolating module, a power supply module, a control module, an intermediate frequency receiving and processing module and a clock; the invention has simple switching and quick switching time, and can support frequency band switching without tools; the universality is strong, and the unified platform supports feed sources with different apertures and different frequency bands; the localization rate is 100%, the cost performance is high, the platform sharing rate of the two frequency band devices can reach 92%, and the device cost is greatly reduced.
Description
Technical Field
The invention relates to the field of satellite antennas, in particular to a multi-mode multi-aperture multi-band backpack satellite station.
Background
With the development of satellite communication technology, satellite communication begins to enter the civil market, which has higher requirements on satellite antennas, and because the influence of environmental changes on satellite communication is larger, the satellite communication difference of different frequency bands is more obvious, such as: ka bandwidth is wide, but is greatly affected by rain attenuation; the C-band antenna is less affected by rain attenuation, but has higher requirement on the aperture of the antenna; in addition, the novel medium and low orbit satellite belongs to different frequency band networking, and the back-carrying satellite station is required to meet the requirement of over-top tracking and the like. At present, the traditional single-frequency single-caliber backpack satellite station can hardly meet the requirement of novel satellite communication.
Disclosure of Invention
The invention aims to provide a multi-mode multi-caliber multi-band backpack satellite station, and aims to meet the requirement that a satellite needs multi-mode multi-caliber multi-band.
A backpack satellite station of multimode multi-aperture multiband comprises a satellite antenna, an integrated radio frequency assembly and a platform, wherein the integrated radio frequency assembly comprises: an up-conversion power amplifier BUC and a low noise down-conversion amplifier LNB, the platform comprising: modem, multimode detection module, clinometer, GPS, antenna controller, antenna servo and polarization sensor, multimode detection module includes: the power divider comprises a direct current isolating module, a power supply module, a control module, an intermediate frequency receiving and processing module and a clock;
the satellite antenna is connected with the low-noise down-conversion amplifier LNB, the antenna servo and the up-conversion power amplifier BUC and used for receiving satellite signals, sending the satellite signals to the low-noise down-conversion amplifier LNB, receiving signals amplified by the up-conversion power amplifier BUC, then sending the signals to the satellite, receiving signals sent by the antenna servo and used for driving the satellite antenna to reach a target position, and driving the satellite antenna to reach the target position;
the low-noise down-conversion amplifier LNB is connected with the power divider and used for receiving satellite signals sent by the satellite antenna, converting the satellite signals into intermediate-frequency signals through down conversion and sending the intermediate-frequency signals to the power divider;
the power divider is connected with the DC blocking module and the intermediate frequency receiving and processing module, and is used for receiving the intermediate frequency signal sent by the low noise down-conversion amplifier LNB and dividing the intermediate frequency signal into two parts which are respectively transmitted to the DC blocking module and the intermediate frequency receiving and processing module;
the direct current blocking module is connected with the modulation and demodulation module and used for blocking direct current of one path of intermediate frequency signals sent by the power divider and then inputting the intermediate frequency signals into the modulation and demodulation module;
the intermediate frequency receiving and processing module is connected with the control module and used for receiving one path of intermediate frequency signals sent by the power divider, filtering, amplifying and mixing the intermediate frequency signals, outputting the intermediate frequency signals to the main control module and receiving clock signals sent by a clock;
the control module is connected with the antenna controller and used for capturing, tracking and calculating effective signal power or carrier-to-noise ratio for wave detection and outputting a wave detection result to the antenna controller through a serial port;
the clock is connected with the control module and the intermediate frequency receiving and processing module and is used for providing clock signals for the intermediate frequency receiving and processing module and the control module;
the inclinometer is connected with the antenna control module and used for detecting the pitching angle of the antenna and sending the pitching angle to the antenna controller;
the GPS is connected with the antenna control module and used for determining longitude and latitude values of the satellite station and sending the longitude and latitude values to the antenna controller;
the polarization sensor is connected with the antenna controller and is used for transmitting a polarization rotation range to the antenna controller;
the antenna controller is connected with the Modem and is used for receiving a detection result sent by the control module through a serial port, an antenna pitch angle detected by an inclinometer, a longitude and latitude value of a satellite station determined by the GPS, a polarization value calculated by the polarization sensor and a satellite parameter sent by the Modem and analyzing a strongest position of a satellite signal according to the detection result sent by the serial port, the antenna pitch angle detected by the inclinometer, the longitude and latitude value of the satellite station determined by the GPS and a polarization rotation range, sending the strongest position information of the satellite signal to the antenna servo module and sending the strongest position information of the satellite signal to the Modem after receiving the longitude and latitude value of the satellite station determined by the GPS;
the antenna servo module is connected with the antenna controller and used for receiving the strongest position information of the satellite signal sent by the antenna controller and sending a signal for driving the satellite antenna to reach a target position to the satellite antenna;
the Modem is connected with the antenna controller and the up-conversion power amplifier BUC, and is used for receiving the intermediate-frequency signal sent by the DC blocking module, demodulating the intermediate-frequency signal to obtain satellite parameters, sending the satellite parameters to the antenna controller, receiving the longitude and latitude value sent by the antenna controller, modulating and encoding the longitude and latitude value signal and sending the longitude and latitude value signal to the up-conversion power amplifier BUC;
the up-conversion power amplifier BUC is connected with the satellite antenna and is used for receiving signals which are sent by the Modem and used for modulating and coding the longitude and latitude value signals, amplifying the signals and then inputting the signals into the satellite antenna;
and the power supply module is connected with the power divider, the control module and the antenna controller and used for providing power for the power divider, the control module and the antenna controller and providing power for the up-conversion power amplifier BUC, the low-noise down-conversion amplifier LNB, the Modem Modem, the multimode detection module, the inclinometer, the GPS, the antenna servo, the polarization sensor, the DC blocking module, the power supply module, the intermediate frequency receiving and processing module and the clock through the power divider, the control module and the antenna controller.
The embodiment of the invention has simple realization and low cost and supports multi-caliber and multi-platform switching.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a hardware schematic diagram of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a feeding coupling circuit platform of a multi-mode multi-aperture multi-band backpack satellite station according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a hardware design of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a multi-module detection module of a multi-mode multi-aperture multi-band backpack satellite station according to an embodiment of the present invention;
FIG. 5 is a schematic platform diagram of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a fast switching module of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a mounting assembly of the multi-mode multi-aperture multi-band backpack satellite station according to the embodiment of the invention;
FIG. 8 is a schematic view of a side lobe-to-satellite installation of a multi-mode multi-aperture multi-band backpack satellite station according to an embodiment of the present invention;
FIG. 9 is a Ka antenna feeder diagram of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the invention;
FIG. 10 is a Ku antenna feeder schematic diagram of a multi-mode multi-aperture multi-band piggyback satellite station of an embodiment of the invention;
FIG. 11 is a schematic diagram of a 0 degree azimuth of a multi-mode, multi-aperture, multi-band piggyback satellite station of an embodiment of the present invention;
FIG. 12 is a schematic diagram of a 130-degree azimuth of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the invention.
Description of reference numerals:
1: BUC; 2: an LNB; 3: a feed coupler; 4: medom; 5: a DC blocking module; 6: a power supply module; 7: a power divider; 8: an intermediate frequency receiving and processing module; 9: a clock; 10: a control module; 11: an A/D sampling module; 12: an inclinometer; 13: a GPS; 14: an antenna controller; 15: a polarization sensor; 16: antenna servo; 17: a satellite antenna.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Device embodiment
According to an embodiment of the present invention, a multi-mode, multi-aperture, multi-band piggyback satellite station is provided, fig. 1 is a hardware schematic diagram of the multi-mode, multi-aperture, multi-band piggyback satellite station according to the embodiment of the present invention, as shown in fig. 1, specifically including: satellite antenna 17, integration radio frequency subassembly and platform, the integration radio frequency subassembly includes: -an up-conversion power amplifier BUC1 and a low noise down-conversion amplifier LNB 2, said platform comprising: a Modem4, a multimode detection module, an inclinometer 12, a GPS13, an antenna controller 14, an antenna servo 16, and a polarization sensor 15, the multimode detection module comprising: the power divider 7, the DC blocking module 5, the power supply module 6, the control module 10, the intermediate frequency receiving and processing module 8 and the clock 9;
the satellite antenna 17 is connected with the low-noise down-conversion amplifier LNB 2, the antenna servo 16 and the up-conversion power amplifier BUC1, and is used for receiving satellite signals, sending the satellite signals to the low-noise down-conversion amplifier LNB 2, receiving signals amplified by the up-conversion power amplifier BUC1, then sending the signals to the satellite, receiving signals sent by the antenna servo 16 and used for driving the satellite antenna to reach a target position, and driving the satellite antenna to reach the target position;
the low-noise down-conversion amplifier LNB 2 is connected with the power divider 7 and used for receiving satellite signals sent by the satellite antenna 17, down-converting the satellite signals into intermediate-frequency signals and sending the intermediate-frequency signals to the power divider 7;
the power divider 7 is connected with the DC blocking module 5 and the intermediate frequency receiving and processing module 8, and is used for receiving the intermediate frequency signal sent by the low noise down-conversion amplifier LNB 2 and dividing the intermediate frequency signal into two parts which are respectively transmitted to the DC blocking module 5 and the intermediate frequency receiving and processing module 8;
the direct current blocking module 5 is connected with the modulation and demodulation module and is used for blocking direct current of one path of intermediate frequency signals sent by the power divider 7 and then inputting the intermediate frequency signals into the modulation and demodulation module;
the intermediate frequency receiving and processing module 8 is connected with the control module 10, and is used for receiving one path of intermediate frequency signals sent by the power divider 7, filtering, amplifying, mixing the signals, outputting the signals to the main control module, and receiving clock 9 signals sent by the clock 9;
the control module 10 is connected with the antenna controller 14 and is used for capturing, tracking and calculating effective signal power or carrier-to-noise ratio for wave detection, and outputting a wave detection result to the antenna controller 14 through a serial port;
the clock 9 is connected with the control module 10 and the intermediate frequency receiving and processing module 8 and is used for providing clock signals for the intermediate frequency receiving and processing module 8 and the control module 10;
the inclinometer 12 is connected with the antenna control module 10 and used for detecting the pitching angle of the antenna and sending the detected pitching angle to the antenna controller 14;
the GPS13 is connected with the antenna control module 10 and used for determining the longitude and latitude values of the satellite station and sending the longitude and latitude values to the antenna controller 14;
a polarization sensor 15 connected to the antenna controller 14 for transmitting a polarization rotation range to the antenna controller 14;
the antenna controller 14 is connected with the Modem4 and is used for receiving a detection result sent by the control module 10 through a serial port, an antenna pitch angle detected by the inclinometer 12, a longitude and latitude value of the satellite station determined by the GPS13, a polarization value calculated by the polarization sensor 15 and a satellite parameter sent by the Modem4, analyzing a strongest position of a satellite signal according to the detection result sent by the serial port, the antenna pitch angle detected by the inclinometer 12, the longitude and latitude value of the satellite station determined by the GPS13 and a polarization rotation range, sending the strongest position information of the satellite signal to the antenna servo 16 module, and sending the strongest position information of the satellite signal to the Modem4 after receiving the longitude and latitude value of the satellite station determined by the GPS 13;
an antenna servo 16 module, connected to the antenna controller 14, for receiving the strongest position information of the satellite signal sent by the antenna controller 14 and sending a signal for driving the satellite antenna 17 to reach the target position to the satellite antenna 17;
the Modem4 is connected with the antenna controller 14 and the up-conversion power amplifier BUC1, and is used for receiving and demodulating the intermediate frequency signal sent by the DC blocking module 5 to obtain satellite parameters, sending the satellite parameters to the antenna controller 14, receiving the longitude and latitude value sent by the antenna controller 14, modulating and encoding the longitude and latitude value signal, and sending the modulated and encoded longitude and latitude value signal to the up-conversion power amplifier BUC 1;
the up-conversion power amplifier BUC1 is connected with the satellite antenna 17 and is used for receiving signals sent by the Modem4, modulating and coding the longitude and latitude value signals, amplifying the signals and inputting the amplified signals into the satellite antenna 17;
and the power supply module 6 is connected with the power divider 7, the control module 10 and the antenna controller 14, and is used for supplying power to the power divider 7, the control module 10 and the antenna controller 14 and supplying power to the up-conversion power amplifier BUC1, the low-noise down-conversion amplifier LNB 2, the Modem4, the multi-mode detection module, the inclinometer 12, the GPS13, the antenna servo 16, the polarization sensor 15, the dc blocking module 5, the power supply module 6, the intermediate frequency receiving processing module and the clock 9 through the power divider 7, the control module 10 and the antenna controller 14.
The control module 10 may also be connected to the antenna controller 14 through an a/D sampling module, where the control module 10 is specifically configured to: the method comprises the following steps of performing signal acquisition, tracking, calculating effective signal power or carrier-to-noise ratio, and outputting the effective signal power or carrier-to-noise ratio to an A/D sampling module in an analog mode, wherein the A/D sampling module is specifically used for: the analog signal is received and converted into a digital signal, which is a detection result, and the detection result is transmitted to the antenna controller 14. The reception antenna controller 14 transmits a detection method signal to control the detection method.
The platform is equipped with the fast switch over module, is equipped with two left and right sides slides, and a slide is fixed unchangeable, and the opposite side slide corresponds the locking plate, the locking plate is equipped with a locking spanner, through spanner up-and-down motion, promotes the locking plate side-to-side motion, integrated radio frequency assembly be equipped with the slider that the slide corresponds is connected with the platform through the slider, and satellite antenna 17 is connected with integrated radio frequency assembly.
Fig. 2 is a schematic diagram of a feeding coupling circuit platform of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the present invention, including: a first switch for disconnecting the dc blocking module 5 from the modulation and demodulation module, and a second switch for disconnecting the low noise down-conversion amplifier LNB 2 from the power divider 7;
and the feed coupling circuit is connected with the low noise down conversion amplifier LNB 2 and is used for dividing the intermediate frequency signal output by the low noise down conversion amplifier LNB 2 into two paths, one path is connected with the Modem4, and the other path is connected with the power divider 7.
The feed coupling circuit is specifically configured to divide the intermediate frequency signal output by the low noise down conversion amplifier LNB 2 into two paths with different signal attenuations, one path with a small signal attenuation is connected to the Modem4, and the other path with a large signal attenuation is connected to the input power divider 7.
The above technical solutions of the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
With the development of novel satellite communication of medium and low orbit satellites and the like, the invention provides the satellite antenna 17 which supports over-top tracking and supports multiple systems and multiple calibers and simultaneously aims at the problems of the traditional single satellite station. The tracking adopts multi-mode signal tracking, the whole system is simple to realize, the expansion capability is strong, the application requirements of the current mainstream high-orbit satellite are combined, the satellite station supports multi-caliber and multi-band switching on the basis of a master control platform, the system adopts an integrated multi-mode signal detection module, and in order to meet the tracking requirements of the low-orbit satellite, the embodiment of the invention simultaneously supports an ephemeris tracking mode, and the automatic tracking can be realized quickly without tools.
The hardware of the embodiment of the invention mainly comprises a satellite antenna 17, an LNB low noise amplifier \ BUC up-conversion power amplifier, an antenna controller 14, a servo, a polarization sensor 15, an inclinometer 12, a GPS13, a multi-mode detection module, a power divider 7 and the like, wherein the satellite antenna 17 can support an antenna with an aperture of 0.45-1.2 meters according to an actual application scene, the BUC \ LNB is matched with different models according to different services and frequency bands, and if a satellite station with the same aperture and different frequency bands is provided, a satellite station side lobe is common, and only a main lobe, a feed source, the BUC and the LNB are replaced.
Fig. 3 is a schematic diagram of a hardware design of the multi-mode multi-aperture multi-band piggyback satellite station according to the embodiment of the present invention, as shown in fig. 3, and a dotted line represents another implementation method.
After a traditional satellite station receives satellite signals, the longitude and latitude values of equipment are obtained by combining with a GPS13, then theoretical azimuth, pitching and polarization values of the satellite station are calculated, and meanwhile, the azimuth and pitching values of the satellite station are continuously adjusted by combining with a beacon machine and a DVB value, and finally the satellite station is pointed to the strongest position of the satellite signals. The traditional satellite station adopts independent DVB and beacon machines, has large size, heavier weight and higher price, adopts an integrated multi-mode detection module, simultaneously supports DVB and beacon detection, and can output not only analog detection signals but also digital detection signals to a satellite station main control module.
Fig. 4 is a schematic diagram of multi-module detection of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the present invention, as shown in fig. 4:
after receiving satellite signals, the satellite stations convert the signals into intermediate frequency signals through LNB down conversion, the intermediate frequency signals are input through the power divider 7, then the intermediate frequency signals are filtered, amplified and mixed through the intermediate frequency receiving module, then digital sampling, signal capturing and tracking are carried out through the main control unit, effective signal power or carrier-to-noise ratio is calculated, and then detection of DVB carrier-to-noise ratio, beacon or continuous wave can be completed.
Compared with the traditional independent DVB and beacon machine, the multimode detection module can be designed and realized independently, the signal detection mode can be automatically selected according to the actual satellite station mode, the module can be controlled by a protocol when being opened and closed, and the servo control module 10 can close the module after the system starts the satellite, so that the aim of reducing power consumption is fulfilled.
Fig. 5 is a schematic diagram of a platform of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the present invention, as shown in fig. 5, a unified servo tracking and control platform is adopted, software and hardware are commonly used, and platform switching is performed through a fast switching unit, fig. 6 is a schematic diagram of a fast switching module of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the present invention, as shown in fig. 6, the detailed design is as follows:
two slides of the switching platform are fixed, one slide is fixed, the other side slide corresponds to the locking plate, a locking wrench is arranged beside the other side slide, and the locking plate is pushed to move left and right by the vertical movement of the locking wrench. Radio frequency feed source and antenna face adopt the integrated design, when need adopt a certain bore antenna or certain frequency channel satellite station to open, only need place suitable position along the slide with the integration radio frequency subassembly, let the manual rotatory locking spanner that switches of back can fix the integration radio frequency subassembly on the unified platform of satellite station. Then, the side lobe is installed, the satellite is electrified and tracked, and the satellite service can be started.
FIG. 7 is a schematic diagram of a mounting assembly of the multi-mode multi-aperture multi-band backpack satellite station according to the embodiment of the invention;
fig. 8 is a schematic view of the installation side lobe of the multi-mode multi-aperture multi-band piggyback satellite station according to the embodiment of the invention, as shown in fig. 8.
FIG. 9 is a Ka antenna feeder schematic diagram of a multi-mode multi-aperture multi-band backpack satellite station according to an embodiment of the invention; as shown in fig. 9.
FIG. 10 is a Ku antenna feeder schematic diagram of a multi-mode multi-aperture multi-band piggyback satellite station of an embodiment of the invention; as shown in fig. 9.
And mounting the integrated radio frequency assembly on the platform, and then mounting the side lobes to the star.
In other modes (X, C and the like), the integrated radio frequency components ka and ku are switched, and the switching of satellite stations with different apertures can be completed only by replacing the integrated radio frequency components and antenna surfaces.
FIG. 11 is a schematic diagram of a 0 degree azimuth of a multi-mode, multi-aperture, multi-band piggyback satellite station of an embodiment of the present invention;
FIG. 12 is a schematic diagram of a 130-degree azimuth of a multi-mode multi-aperture multi-band piggyback satellite station according to an embodiment of the invention.
The fast switching module can drive the integrated assembly and the antenna to rotate, and in order to meet the application requirement of the low-orbit satellite in the mainstream in the later period and complete the overhead tracking, the pitching freedom degree operation range adopted by the embodiment of the invention is as follows: 0 to 130 deg., larger than a typical portable satellite antenna. Meanwhile, the software strategy adjusts the azimuth in advance when the satellite passes the top and finely adjusts the pitching, so that the basic link can be ensured not to be interrupted, then the system fine adjustment is carried out according to the modem and the carrier signal strength, the over-top application requirement can be met, and the function is feasible through the test verification of relevant constellations, the expected effect is achieved, and the large-area popularization can be carried out.
The method is simple to implement and low in cost, the traditional satellite station also supports switching, but the method is simple to implement and cannot be quickly implemented, most of the satellite stations need field support of equipment manufacturers, and equipment users cannot complete the switching by themselves. Most of the current technologies supporting multi-caliber and multi-support handover still remain theoretical demonstration.
The switching is simple, the switching time is short, and the frequency band switching can be supported without tools; the universality is strong, and the unified platform supports feed sources with different apertures (0.45-1.2 m antenna surface) and different frequency ranges; the localization rate is 100%, the whole product is a domestic device, and the dependence on foreign high technology is eliminated under the current complex international situation; the cost performance is high, the platform sharing rate of the two frequency band devices can reach 92 percent, and the cost of the devices is greatly reduced;
at present, China has great market demands for emergency satellite communication system products, and particularly has great demand for mobile communication services. The multimode multi-aperture satellite station emphasizes the market demand in the development process, so that a series of innovations are made on the aspects of intellectualization and miniaturization of products.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; however, these modifications or alternatives may be made to the embodiments of the present invention without departing from the spirit and scope of the present invention.
Claims (8)
1. The backpack satellite station of a kind of multimode multi-calibre multifrequency section, characterized by, including, satellite antenna, integrated radio frequency assembly and terrace, the said integrated radio frequency assembly includes: an up-conversion power amplifier BUC and a low noise down-conversion amplifier LNB, the platform comprising: modem, multimode detection module, clinometer, GPS, antenna controller, antenna servo and polarization sensor, multimode detection module includes: the power divider comprises a direct current isolating module, a power supply module, a control module, an intermediate frequency receiving and processing module and a clock;
the satellite antenna is connected with the low-noise down-conversion amplifier LNB, the antenna servo and the up-conversion power amplifier BUC and used for receiving satellite signals, sending the satellite signals to the low-noise down-conversion amplifier LNB, receiving signals amplified by the up-conversion power amplifier BUC, then sending the signals to the satellite, receiving signals sent by the antenna servo and used for driving the satellite antenna to reach a target position, and driving the satellite antenna to reach the target position;
the low-noise down-conversion amplifier LNB is connected with the power divider and used for receiving satellite signals sent by the satellite antenna, converting the satellite signals into intermediate-frequency signals through down conversion and sending the intermediate-frequency signals to the power divider;
the power divider is connected with the DC blocking module and the intermediate frequency receiving and processing module, and is used for receiving the intermediate frequency signal sent by the low noise down-conversion amplifier LNB and dividing the intermediate frequency signal into two parts which are respectively transmitted to the DC blocking module and the intermediate frequency receiving and processing module;
the direct current blocking module is connected with the modulation and demodulation module and used for blocking direct current of one path of intermediate frequency signals sent by the power divider and then inputting the intermediate frequency signals into the modulation and demodulation module;
the intermediate frequency receiving and processing module is connected with the control module and used for receiving one path of intermediate frequency signals sent by the power divider, filtering, amplifying and mixing the intermediate frequency signals, outputting the intermediate frequency signals to the main control module and receiving clock signals sent by a clock;
the control module is connected with the antenna controller and used for capturing, tracking and calculating effective signal power or carrier-to-noise ratio for wave detection and outputting a wave detection result to the antenna controller through a serial port;
the clock is connected with the control module and the intermediate frequency receiving processing module and is used for providing clock signals for the intermediate frequency receiving processing module and the control module;
the inclinometer is connected with the antenna control module and used for detecting the pitching angle of the antenna and sending the pitching angle to the antenna controller;
the GPS is connected with the antenna control module and used for determining longitude and latitude values of the satellite station and sending the longitude and latitude values to the antenna controller;
the polarization sensor is connected with the antenna controller and used for transmitting the polarization rotation range to the antenna controller;
the antenna controller is connected with the Modem and is used for receiving a detection result sent by the control module through a serial port, an antenna pitch angle detected by an inclinometer, a longitude and latitude value of a satellite station determined by the GPS, a polarization value calculated by the polarization sensor and a satellite parameter sent by the Modem and analyzing a strongest position of a satellite signal according to the detection result sent by the serial port, the antenna pitch angle detected by the inclinometer, the longitude and latitude value of the satellite station determined by the GPS and a polarization rotation range, sending the strongest position information of the satellite signal to the antenna servo module and sending the strongest position information of the satellite signal to the Modem after receiving the longitude and latitude value of the satellite station determined by the GPS;
the antenna servo module is connected with the antenna controller and used for receiving the strongest position information of the satellite signal sent by the antenna controller and sending a signal for driving the satellite antenna to reach a target position to the satellite antenna;
the Modem is connected with the antenna controller and the up-conversion power amplifier BUC, and is used for receiving the intermediate-frequency signal sent by the DC blocking module, demodulating the intermediate-frequency signal to obtain satellite parameters, sending the satellite parameters to the antenna controller, receiving the longitude and latitude value sent by the antenna controller, modulating and encoding the longitude and latitude value signal and sending the longitude and latitude value signal to the up-conversion power amplifier BUC;
the up-conversion power amplifier BUC is connected with the satellite antenna and is used for receiving signals which are sent by the Modem and used for modulating and coding the longitude and latitude value signals, amplifying the signals and then inputting the signals into the satellite antenna;
and the power supply module is connected with the power divider, the control module and the antenna controller and used for providing power for the power divider, the control module and the antenna controller and providing power for the up-conversion power amplifier BUC, the low-noise down-conversion amplifier LNB, the Modem Modem, the multimode detection module, the inclinometer, the GPS, the antenna servo, the polarization sensor, the DC blocking module, the power supply module, the intermediate frequency receiving and processing module and the clock through the power divider, the control module and the antenna controller.
2. The satellite station of claim 1, wherein the platform further comprises: the first switch is used for disconnecting the direct current blocking module from the modulation and demodulation module, and the second switch is used for disconnecting the low noise down-conversion amplifier LNB from the power divider;
and the feed coupling circuit is connected with the low noise down conversion amplifier LNB and is used for dividing the intermediate frequency signal output by the low noise down conversion amplifier LNB into two paths, one path is connected with the Modem, and the other path is connected with the power divider.
3. The satellite station according to claim 2, wherein the feed coupling circuit is specifically configured to divide an intermediate frequency signal output by the low noise down conversion amplifier LNB into two paths with different signal attenuations, one path with a small signal attenuation is connected to the Modem, and the other path with a large signal attenuation is connected to the input power divider.
4. The satellite station of claim 1, wherein the control module is connected to the antenna controller via the a/D sampling module, and wherein the control module is specifically configured to: the method comprises the following steps of performing signal acquisition, tracking, calculating effective signal power or carrier-to-noise ratio, and outputting the effective signal power or carrier-to-noise ratio to an A/D sampling module in an analog mode, wherein the A/D sampling module is specifically used for: the analog signal is received and then converted into a digital signal, the digital signal is a detection result, and the detection result is sent to the antenna controller.
5. The satellite station of claim 1, wherein the control module is specifically configured to: the receiving antenna controller transmits a detection mode signal to control the detection mode.
6. The satellite station according to claim 1, wherein the platform is provided with a fast switching module, which is provided with two left and right slideways, one slideway is fixed and the other slideway corresponds to the locking plate, the locking plate is provided with a locking wrench, and the locking plate is pushed to move left and right by the up and down movement of the wrench.
7. The satellite station of claim 6, wherein the integrated radio frequency assembly is provided with a slider corresponding to the slide, and is connected with the platform through the slider.
8. The satellite station of claim 7, wherein the satellite antenna is connected to an integral radio frequency assembly.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115412151A (en) * | 2022-08-01 | 2022-11-29 | 中国电信股份有限公司 | Satellite communication method and device and station control equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080297427A1 (en) * | 2005-12-09 | 2008-12-04 | Young-Bae Jung | Antenna System for Tracking Satellite |
| CN203537389U (en) * | 2013-11-15 | 2014-04-09 | 四川安迪科技实业有限公司 | Antenna feed system of dual-channel satellite earth station |
| CN204089815U (en) * | 2014-09-09 | 2015-01-07 | 航天恒星科技有限公司 | A kind of satellite communication station |
| US20190296802A1 (en) * | 2018-03-20 | 2019-09-26 | Metawave Corporation | Power control to a beam steering phased array antenna in satellite applications |
| CN212969647U (en) * | 2020-09-29 | 2021-04-13 | 成都迅翼卫通科技有限公司 | Automatic satellite-alignment flat-panel portable station integrated system |
| CN113382462A (en) * | 2021-05-20 | 2021-09-10 | 深圳市星楷通讯设备有限公司 | Multi-closed-loop power control system and control method suitable for satellite communication |
| CN113437517A (en) * | 2021-04-21 | 2021-09-24 | 北京爱科迪通信技术股份有限公司 | Satellite tracking system and method for satellite station |
-
2022
- 2022-02-18 CN CN202210149215.4A patent/CN114531195B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080297427A1 (en) * | 2005-12-09 | 2008-12-04 | Young-Bae Jung | Antenna System for Tracking Satellite |
| CN203537389U (en) * | 2013-11-15 | 2014-04-09 | 四川安迪科技实业有限公司 | Antenna feed system of dual-channel satellite earth station |
| CN204089815U (en) * | 2014-09-09 | 2015-01-07 | 航天恒星科技有限公司 | A kind of satellite communication station |
| US20190296802A1 (en) * | 2018-03-20 | 2019-09-26 | Metawave Corporation | Power control to a beam steering phased array antenna in satellite applications |
| CN212969647U (en) * | 2020-09-29 | 2021-04-13 | 成都迅翼卫通科技有限公司 | Automatic satellite-alignment flat-panel portable station integrated system |
| CN113437517A (en) * | 2021-04-21 | 2021-09-24 | 北京爱科迪通信技术股份有限公司 | Satellite tracking system and method for satellite station |
| CN113382462A (en) * | 2021-05-20 | 2021-09-10 | 深圳市星楷通讯设备有限公司 | Multi-closed-loop power control system and control method suitable for satellite communication |
Non-Patent Citations (3)
| Title |
|---|
| I. NISTAL-GONZALES 等: "Planar phased array antenna for nomadic satellite communication in Ka-Band", 《2014 44TH EUROPEAN MICROWAVE CONFERENCE》 * |
| 李勇: "多频段多模式卫星通信调制器设计与实现", 《万方学位论文》 * |
| 郑学东 高云勇: "双卫星Ku波段自动对星系统研究及应用展望", 《数字通信世界》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115412151A (en) * | 2022-08-01 | 2022-11-29 | 中国电信股份有限公司 | Satellite communication method and device and station control equipment |
| CN115412151B (en) * | 2022-08-01 | 2024-05-14 | 中国电信股份有限公司 | Satellite communication method and device and station control equipment |
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|---|---|
| CN114531195B (en) | 2024-01-23 |
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