CN113472398B - Satellite tracking apparatus, method, gateway station and medium for the same - Google Patents
Satellite tracking apparatus, method, gateway station and medium for the same Download PDFInfo
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- CN113472398B CN113472398B CN202010238724.5A CN202010238724A CN113472398B CN 113472398 B CN113472398 B CN 113472398B CN 202010238724 A CN202010238724 A CN 202010238724A CN 113472398 B CN113472398 B CN 113472398B
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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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
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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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/267—Phased-array testing or checking devices
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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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/28—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the amplitude
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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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
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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
- H04B7/18502—Airborne stations
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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
Abstract
The present disclosure provides a satellite tracking apparatus, method, gateway station and storage medium for a gateway station, wherein the apparatus comprises: the antenna control module is used for generating a control instruction; wherein, the control command includes: dynamically configuring information for an antenna array plane; the phased array communication antenna equipment comprises a plurality of antenna sub-arrays, wherein the antenna sub-arrays are used for combining the antenna sub-arrays into at least one phased array logic sub-array according to a control instruction, and the phased array logic sub-array is controlled to generate single beams or multi-beams for tracking at least one satellite. The device, the method, the gateway station and the storage medium can realize multi-beam access on a single phased array antenna, so that the single phased array antenna can simultaneously communicate with a plurality of satellites, the occupied area of the communication antenna of the gateway station is greatly reduced, more beams can be formed in the effective area, the efficiency of a spherical array is greatly improved, and the reliable tracking of the satellites can be realized.
Description
Technical Field
The present invention relates to the field of satellite communications technologies, and in particular, to a satellite tracking apparatus and method for a gateway station, and a storage medium.
Background
Compared with a geosynchronous satellite, the low-orbit broadband satellite has the characteristics of high satellite movement speed, short single-satellite overhead service time, frequent satellite and beam switching and the like. The user terminal must quickly acquire and lock onto the satellite signal using a narrower user beam for a short period of time over the top of the satellite, increasing the effective communication time as much as possible. A low-orbit broadband satellite communication system generally comprises a constellation formed by a plurality of small communication satellites, and a ground gateway station formed by communication antennas provides broadband communication services for ground users. The gateway station is typically comprised of multiple parabolic antennas or phased array antennas, each of which establishes a communication link with a single satellite within a field of view, and the multiple antennas operate simultaneously to effect communication with all satellites within the field of view of the gateway station. For example, systems such as OneWeb, starLink and the like adopt parabolic antennas to form gateway stations, and realize global satellite broadband communication.
At present, with the increase of the constellation scale, the number of satellites in the visible range of the gateway station will greatly increase, the number of communication antennas will also correspondingly increase, and the floor area of the gateway station will also greatly increase, which brings great difficulty to the station address selection of the gateway station, therefore, a new satellite tracking technical scheme for the gateway station is needed.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a satellite tracking apparatus and method for a gateway station, and a storage medium.
According to an aspect of the present disclosure, there is provided a satellite tracking apparatus for a gateway station, including: the antenna control module is used for generating a control instruction; wherein the control instruction comprises: dynamically configuring information for an antenna array plane; the phased array communication antenna equipment comprises a plurality of antenna sub-arrays, wherein the antenna sub-arrays are used for combining the antenna sub-arrays into at least one phased array logic sub-array according to the control instruction, and the phased array logic sub-array is controlled to generate single beams or multiple beams for tracking at least one satellite.
Optionally, the antenna array dynamic configuration information includes: the combined scheduling information of the phased array logic subarrays, the pointing direction and the power information of the antenna subarrays; the phased array communication antenna equipment is used for carrying out combined processing on the plurality of antenna sub-arrays according to the combined scheduling information to form one or more phased array logic sub-arrays; and controlling the antenna subarrays to generate beams for tracking at least one satellite according to the pointing direction and the power information.
Optionally, the antenna subarray is composed of a plurality of antenna elements; the phased array communication antenna apparatus is configured to adjust the phase and amplitude of the antenna elements according to the pointing and power information, so that the antenna sub-array generates receive and/or transmit beams for tracking at least one satellite.
Optionally, all antenna elements of the antenna sub-array are used for receiving beams or transmitting beams; alternatively, all antenna elements of the antenna sub-array are used for receiving and transmitting beams.
Optionally, the antenna control module is configured to generate the combined scheduling information and the pointing direction and power information of the antenna sub-array according to the required number of beams, the angle and power information of each beam corresponding to the phased array communication antenna apparatus.
Optionally, the scheduling calculation module is configured to determine the required number of beams, and the angle and power information of each beam according to satellite related information and gateway station location information; wherein the satellite related information comprises: satellite ephemeris information, and satellite transit information over the gateway station in each time period.
Optionally, the phased array communication antenna apparatus is configured to, after it is determined that a target satellite tracked by the phased array logic subarray exceeds a beam range of the phased array logic subarray, control an antenna subarray adjacent to the phased array logic subarray to perform relay tracking on the target satellite.
Optionally, the antenna subarray is installed in a plug-in card manner, and has a hot plug function.
Optionally, the phased array communication antenna apparatus comprises: an antenna array main body; the antenna array surface main body is formed by splicing the antenna subarrays; wherein the shape of the antenna subarray comprises: a polygon shape.
Optionally, the shape of the antenna array face main body is a spherical crown, or the shape of the antenna array face main body is composed of a spherical crown and a circular table; the shapes of the antenna subarrays used for splicing the spherical caps comprise pentagons and hexagons; the shape of the antenna subarray for splicing the circular table top comprises a quadrangle.
Optionally, the operating band of the phased array communication antenna apparatus includes: the millimeter wave band.
According to another aspect of the present disclosure, there is provided a gateway station comprising: a satellite tracking arrangement for a gateway station as described above.
According to still another aspect of the present disclosure, there is provided a satellite self-tracking method for a gateway station, including: the antenna control module generates a control instruction; wherein the control instructions include: dynamically configuring information for an antenna array plane; the phased array communication antenna equipment combines the plurality of antenna sub-arrays into at least one phased array logic sub-array according to the control instruction, and controls the phased array logic sub-array to generate single beams or multiple beams for tracking at least one satellite.
Optionally, the antenna array dynamic configuration information includes: the combined scheduling information of the phased array logic subarrays, the pointing direction and the power information of the antenna subarrays; the phased array communication antenna equipment combines a plurality of antenna sub-arrays into at least one phased array logic sub-array according to the control instruction, and the control of the phased array logic sub-array to generate single beams or multi-beams comprises the following steps: the phased array communication antenna equipment combines the plurality of antenna sub-arrays according to the combined scheduling information to form one or more phased array logic sub-arrays; the phased array communications antenna apparatus controls the antenna sub-array to generate a beam for tracking at least one satellite based on the pointing and power information.
Optionally, the antenna subarray is composed of a plurality of antenna elements; the phased array communications antenna apparatus controlling the antenna sub-array to generate beams for tracking at least one satellite based on the pointing and power information comprises: the phased array communications antenna apparatus adjusts the phase and amplitude of the antenna elements in accordance with the pointing and power information to cause the antenna sub-array to generate receive and/or transmit beams for tracking at least one satellite.
Optionally, all antenna elements of the antenna sub-array are used for receiving beams or transmitting beams; alternatively, all antenna elements of the antenna sub-array are used for receiving and transmitting beams.
Optionally, the antenna control module generates the combined scheduling information and the pointing direction and power information of the antenna sub-array according to the required number of beams, the angle and power information of each beam corresponding to the phased array communication antenna device.
Optionally, the scheduling calculation module determines the required number of beams, the angle of each beam, and the power information according to satellite-related information and gateway station location information; wherein the satellite related information comprises: satellite ephemeris information, and satellite transit information over the gateway station in each time period.
Optionally, after the phased array communication antenna device determines that the target satellite tracked by the phased array logic subarray exceeds the beam range of the phased array logic subarray, the phased array communication antenna device controls the antenna subarray adjacent to the phased array logic subarray to perform relay tracking on the target satellite.
According to yet another aspect of the present disclosure, a computer-readable storage medium is provided, which stores computer instructions for execution by a processor to perform the method as described above.
According to the satellite tracking device and method for the gateway station, the gateway station and the storage medium, the multiple antenna sub-arrays are combined into the phased array logic sub-array, the phased array logic sub-array is controlled to generate the single beam or the multiple beams to perform satellite tracking, multi-beam access can be achieved on the single phased array antenna, the single phased array antenna can communicate with multiple satellites simultaneously, the occupied area of the communication antenna of the gateway station is greatly reduced, more beams can be formed in the effective area, the efficiency of the spherical array is improved, and reliable tracking of the satellites can be achieved.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without inventive exercise.
FIG. 1 is a block schematic diagram of one embodiment of a satellite tracking arrangement for a gateway station according to the present disclosure;
FIG. 2 is a block schematic diagram of another embodiment of a satellite tracking apparatus for a gateway station according to the present disclosure;
3-6 are schematic diagrams of a concatenation of antenna subarrays in one embodiment of a satellite tracking apparatus for a gateway station according to the present disclosure;
figure 7 is a schematic flow chart diagram illustrating one embodiment of a method for satellite tracking at a gateway station according to the present disclosure.
Detailed Description
The present disclosure now will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the disclosure are shown. The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
As shown in fig. 1, the present disclosure provides a satellite tracking apparatus for a gateway station, comprising: a phased array communication antenna apparatus 10 and an antenna control module 11. The phased array communication antenna apparatus may be a multi-beam spherical phased array communication antenna apparatus or the like. The antenna control module 11 generates a control command, and the control command includes: antenna array dynamic configuration information, etc.
The phased array communication antenna apparatus 10 includes a plurality of antenna sub-arrays, and the phased array communication antenna apparatus 10 combines the plurality of antenna sub-arrays into at least one phased array logic sub-array according to the control instruction, and controls the phased array logic sub-array to generate a single beam or a plurality of beams for tracking at least one satellite. The wave beams can be various existing wave beams, the multi-wave beams can be dual wave beams and the like, the satellite can be a low-orbit satellite and the like, and each phased array logic subarray can track one or more satellites.
The phased array communication antenna apparatus 10 may be provided with a master control device, a sub-array combination device, and the like, the phased array communication antenna apparatus 10 completes the combination of a plurality of antenna sub-arrays into a phased array logic sub-array according to a control instruction through the master control device, the sub-array combination device, and the like, and controls the phased array logic sub-array to generate a plurality of operations such as a single beam or a multi-beam, and the like, and the master control device, the sub-array combination device, and the like may have a plurality of implementation manners.
The satellite tracking device for the gateway station of the embodiment can realize a multi-beam access mode based on a phased array, and adopts a simulated single-beam or multi-beam antenna subarray to form phased array communication antenna equipment, so that the communication capacity of the gateway station in a full airspace to a plurality of satellites is realized.
In one embodiment, the antenna wavefront dynamic configuration information includes: the combined scheduling information of the phased array logic subarrays, the pointing direction and power information of the antenna subarrays and the like; the phased array communication antenna apparatus 10 performs combining processing on the plurality of antenna sub-arrays according to the combined scheduling information to form one or more phased array logic sub-arrays; the phased array communications antenna apparatus 10 controls the antenna sub-array to generate beams for tracking at least one satellite based on the pointing and power information.
The antenna sub-array is composed of a plurality of antenna elements, and the phased array communication antenna apparatus 10 adjusts phases and amplitudes of the antenna elements according to the pointing and power information so that the antenna sub-array generates a reception beam and a transmission beam for tracking at least one satellite for the reception beam or the transmission beam. All the antenna units of the antenna subarray are used for receiving beams or transmitting beams, or all the antenna units of the antenna subarray are used for receiving beams and transmitting beams, that is, the antenna subarray can be in a same transceiving array mode or a different transceiving array mode.
When it is determined that the target satellite tracked by the phased array logic subarray exceeds the beam range of the phased array logic subarray, the phased array communication antenna device 10 controls the antenna subarray adjacent to the phased array logic subarray to perform relay tracking on the target satellite.
In one embodiment, the phased array communication antenna apparatus 10 generates a plurality of receive or transmit beams by calculating and adjusting the phase and amplitude of the antenna element signals for the transmit or receive beams according to the control instructions input by the antenna control module 11, the direction and power of each beam being determined by the phase and amplitude of the antenna element signals. The operating band of the phased array communication antenna apparatus includes a millimeter wave band and the like.
For example, the phased array communication antenna device 10 receives a control instruction input by the antenna control module 11, where the control instruction includes two sets of beam pointing information, and the phased array communication antenna device 10 calculates a phase shift value of a wavefront channel corresponding to each beam, and then calculates a wave control code for controlling the beam in combination with the calibration parameter. Each beam signal is amplified by a power amplifier through a synthesizer and then output, and the beams are synthesized in space; since each phased array logic sub-array may have signals of multiple beams, the multiple beams are spatially combined.
The antenna control module 11 generates combined scheduling information and pointing and power information of the antenna sub-array based on the required number of beams, angle and power information of each beam corresponding to the phased array communication antenna apparatus 10.
The antenna control module 11 dynamically divides the antenna array surface of the phased array communication antenna apparatus 10 into a plurality of areas according to the required number of beams, the angle of each beam and the power information corresponding to the phased array communication antenna apparatus 10, to form phased array logic sub-arrays, and performs combined scheduling on the antenna units of the antenna sub-arrays in each phased array logic sub-array, so that each phased array logic sub-array generates a beam aiming at one or two satellites according to the pointing and power requirements; meanwhile, when the satellite moves, the wave beam is rapidly adjusted by dynamically switching each phased array logic subarray, and various existing dynamic switching methods can be used.
In one embodiment, as shown in fig. 2, a satellite tracking apparatus includes: the scheduling calculation module 12, the scheduling calculation module 12 determines the required number of beams, the angle and the power information of each beam according to the satellite related information and the gateway station position information; the satellite related information includes: satellite ephemeris information, satellite transit information over the gateway station in each time period, and the like. The satellite ephemeris information is also called Two-Line Orbital Element (TLE) information, and includes information such as satellite number, orbital altitude, satellite inclination, and the like.
The scheduling calculation module 12 counts the satellite transit situation in each time period above the gateway station according to the satellite ephemeris and the gateway station position, and calculates the number of beams required by the phased array communication antenna apparatus 10 accordingly. The scheduling calculation module 12 may determine the number of beams according to the number of satellites that the gateway station needs to track, determine the real-time pointing direction of the beams according to the positions of the satellites, and determine the power according to the communication rate of the communication link. If the number of users in a certain wave beam is large, the power of the user wave beam is adjusted to be small; the multiple beams share one power amplifier, the power of the power amplifier is constant, the power of one beam is adjusted to be smaller, the power of the other beam is adjusted to be larger at the same time, and the total power is unchanged.
The satellite in the airspace may have a situation that a plurality of gateway stations can simultaneously cover, the scheduling calculation module 12 needs to simultaneously establish tasks of allocating local stations by the plurality of gateway stations, and preferentially allocate the satellite with a large number of users to the gateway station with a small beam scanning angle, so as to obtain the maximum antenna gain.
In one embodiment, for a low rail broadband communications system, the track height is 1150 kilometers. The phased array communications antenna apparatus 10 operates in millimeter wave bands at an elevation angle of 15 degrees and has an antenna coverage radius of 2200 kilometers. The phased array communication antenna apparatus 10 includes: an antenna array main body; the antenna array main body is formed by splicing antenna subarrays, and the shape of each antenna subarray comprises: a polygon. For example, the shape of the antenna array main body is a spherical crown, or the shape of the antenna array main body consists of a spherical crown and a circular table; the shape of the antenna subarray for splicing the spherical crown comprises a pentagon, a hexagon and the like; the shape of the antenna subarray for splicing the circular table top comprises a quadrangle and the like.
As shown in fig. 3 to fig. 6, the antenna array main body of the phased array communication antenna apparatus 10 is composed of a spherical cap 101, or a spherical cap 101 and a circular truncated cone 10, and can implement communication to satellites in azimuth angles of 0 to 360 degrees. The antenna array main body is formed by splicing N heterogeneous antenna subarrays, as shown in fig. 3 and 5, the spherical crown 101 is formed by splicing antenna subarrays of a plane pentagon 102 and a hexagon 103; the circular table 105 is formed by splicing planar quadrilateral antenna subarrays 106. Each type of antenna subarray is composed of a plurality of antenna units, each antenna unit can adopt a low-cost millimeter wave band T/R chip to realize control of each channel, and when the number of the antenna units is large, cost can be effectively controlled, and commercial requirements are met.
Each antenna subarray can be flexibly combined to form a phased array logic subarray simulating a single beam or multiple beams, receiving or transmitting of 1-2 beams can be achieved, and a plurality of beams can be formed by the whole antenna array surface main body. The antenna sub-arrays can be designed into the form of the same transceiving array or the form of independent transceiving, as shown in fig. 4 and 6, the antenna sub-arrays 102,103 and 106 are transmitting sub-arrays, and the antenna sub-array 104 is a receiving sub-array.
The antenna subarray adopts a plug-in card installation mode and has a hot plug function. The antenna subarray is designed by hot plug and play, the wave beam can automatically relay and cover, a radio frequency link can be continuously uninterrupted, the whole antenna array does not need to be powered off when the antenna is maintained, the normal work of the whole antenna is not influenced, and the wave beam can be covered in a self-adaptive seamless mode when the antenna subarray is in fault.
In one embodiment, during communication with the low-earth orbit satellite system, the scheduling calculation module 12 extrapolates the satellite orbit within a specified time through other satellite position information such as satellite ephemeris and the like acquired in the system and the position information of the gateway station itself, and calculates the number C of transit satellites, and the real-time azimuth and distance of each satellite.
Due to the discontinuous measurement and control of the satellite, the position information of the satellite cannot be updated in real time, the real-time satellite ephemeris needs to be determined and predicted by historical ephemeris data through the perturbation force based on the acting satellite, and the scheduling calculation module 12 can determine and predict the orbit position and the velocity of the satellite through establishing a dynamic model.
The antenna control module 11 analyzes and calculates the number of beams, beam angles, and power required by the communication antenna according to the information and the tracking strategy, and accordingly divides the antenna array into a plurality of analog single-beam phased array logical sub-arrays, which may include a plurality of antenna sub-arrays such as pentagon, hexagon, and quadrangle, and the size of each analog single-beam phased array logical sub-array and the number of antenna elements are determined by factors such as power.
The redundancy of the antenna subarrays can be preset, the wave beams of the antenna subarrays cover each other, and the damaged antenna subarrays are covered by the adjacent antenna subarrays. If part of the antenna subarrays are damaged, the antenna control module 11 will combine other antenna subarrays through flexible adjustment to form coverage to the original beam.
The phased array communication antenna apparatus 10 adjusts the phase and amplitude of the antenna unit signal according to the control command sent by the antenna control module 11, so that the antenna array forms a plurality of beams meeting the requirement, and the requirement of simultaneous communication with a plurality of satellites is met. When the satellite leaves the wave beam range of a certain antenna subarray simulating a single wave beam, the wave beam of the phased array logic subarray close to the antenna subarray can realize relay tracking of the satellite, and therefore seamless tracking and communication of the satellite in the whole communication antenna coverage range are completed. For example, when the satellite starts to move away from the normal position of the antenna subarrays to the normal direction of the other antenna subarrays, the satellite is in the space coverage area of the two antenna subarrays, beam relay is completed in the area, and signals are not interrupted.
In one embodiment, the present disclosure provides a gateway station comprising a satellite tracking apparatus for a gateway station as in any of the above embodiments.
Fig. 7 is a schematic flow chart diagram of one embodiment of a satellite tracking method for a gateway station according to the present disclosure, as shown in fig. 7:
And 702, combining the plurality of antenna sub-arrays into at least one phased array logic sub-array by the phased array communication antenna equipment according to the control instruction, and controlling the phased array logic sub-array to generate single beams or multiple beams for tracking at least one satellite.
In one embodiment, the antenna wavefront dynamic configuration information includes: the combined scheduling information of the phased array logic subarrays, the pointing direction and power information of the antenna subarrays and the like; the phased array communication antenna equipment combines the multiple antenna sub-arrays according to the combined scheduling information to form one or more phased array logic sub-arrays; the phased array communications antenna apparatus controls the antenna sub-array to generate a beam for tracking at least one satellite based on the pointing and power information.
The antenna subarray consists of a plurality of antenna units; the phased array communications antenna apparatus adjusts the phase and amplitude of the antenna elements based on the pointing and power information to cause the antenna sub-array to generate receive and/or transmit beams for tracking at least one satellite. All antenna elements of the antenna subarray are used for receiving beams or transmitting beams; alternatively, all antenna elements of the antenna sub-array are used for both receive beams and transmit beams.
The antenna control module generates combined scheduling information and pointing and power information of the antenna sub-array according to the required number of the wave beams corresponding to the phased array communication antenna equipment and the angle and power information of each wave beam. The scheduling calculation module determines the required quantity of the beams, the angle and the power information of each beam according to the satellite related information and the position information of the gateway station; wherein the satellite related information comprises: satellite ephemeris information, satellite transit information over the gateway station in each time period, and the like.
And when the phased array communication antenna equipment determines that the target satellite tracked by the phased array logic subarray exceeds the wave beam range of the phased array logic subarray, controlling the antenna subarray adjacent to the phased array logic subarray to carry out relay tracking on the target satellite.
In one embodiment, the present disclosure provides a computer-readable storage medium storing computer instructions that, when executed by a processor, implement a method as in any one of the above embodiments.
According to the satellite tracking device and method for the gateway station, the gateway station and the storage medium, the multiple antenna sub-arrays are combined into the phased array logic sub-array, and the phased array logic sub-array is controlled to generate the single beam or the multiple beams to perform satellite tracking, so that the multiple beams can be accessed on a single phased array antenna, the single antenna can communicate with multiple satellites at the same time, and the occupied area of the communication antenna of the gateway station is greatly reduced; the spherical array formed by the heterogeneous subarrays is adopted, so that the number of array elements is greatly optimized, more beams can be formed in the effective area, and the efficiency of the spherical array is greatly improved; by adopting the analog single-beam or dual-beam antenna array, the production cost can be greatly reduced by utilizing the low-cost chip design.
The method and system of the present disclosure may be implemented in a number of ways. For example, the methods and systems of the present disclosure may be implemented in software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustration only, and the steps of the method of the present disclosure are not limited to the order specifically described above unless specifically stated otherwise. Further, in some embodiments, the present disclosure may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (12)
1. A satellite tracking apparatus for a gateway station, comprising:
the antenna control module is used for generating a control instruction; wherein the control instructions include: dynamically configuring information for an antenna array plane;
the phased array communication antenna equipment comprises a plurality of antenna sub-arrays, a plurality of antenna sub-arrays and a plurality of antenna control modules, wherein the antenna sub-arrays are used for combining the plurality of antenna sub-arrays into at least one phased array logic sub-array according to the control instruction, and the phased array logic sub-arrays are controlled to generate single beams or multi-beams for tracking at least one satellite;
wherein the antenna array dynamic configuration information comprises: the combined scheduling information of the phased array logic subarrays, the pointing direction and power information of the antenna subarrays;
the phased array communication antenna equipment is used for carrying out combined processing on the plurality of antenna sub-arrays according to the combined scheduling information to form one or more phased array logic sub-arrays;
the antenna subarray consists of a plurality of antenna units; the phased array communication antenna apparatus is further configured to adjust the phase and amplitude of the antenna elements according to the pointing and power information, so that the antenna sub-array generates a reception and/or transmission beam for tracking at least one satellite;
the antenna control module is configured to generate the combined scheduling information and the pointing direction and power information of the antenna subarray according to the required number of beams, the angle and power information of each beam, and the required number of beams corresponding to the phased array communication antenna device;
the phased array communication antenna equipment is used for controlling an antenna subarray adjacent to the phased array logic subarray to perform relay tracking on the target satellite after the target satellite tracked by the phased array logic subarray is determined to exceed the wave beam range of the phased array logic subarray; the operating band of the phased array communications antenna apparatus includes: the millimeter wave band.
2. The apparatus of claim 1, wherein,
all antenna elements of the antenna subarray are used for receiving beams or transmitting beams; alternatively, all antenna elements of the antenna sub-array are used for receiving and transmitting beams.
3. The apparatus of claim 1, further comprising:
and the scheduling calculation module is used for determining the required quantity of the beams, the angle and the power information of each beam according to the satellite related information and the gateway station position information.
4. The apparatus of claim 3, wherein,
the satellite related information includes: satellite ephemeris information, and satellite transit information over the gateway station in each time period.
5. The apparatus of claim 1, wherein,
the antenna subarray adopts a plug-in card installation mode and has a hot plug function.
6. The apparatus of claim 1, wherein,
the phased array communication antenna apparatus includes: an antenna array main body; the antenna array surface main body is formed by splicing the antenna subarrays; wherein the shape of the antenna subarray comprises: a polygon shape.
7. The apparatus of claim 6, wherein,
the shape of the antenna array surface main body is a spherical crown, or the shape of the antenna array surface main body consists of a spherical crown and a circular table top;
the shapes of the antenna subarrays used for splicing the spherical caps comprise pentagons and hexagons; the shape of the antenna subarray for splicing the circular table top comprises a quadrangle.
8. A gateway station, comprising:
satellite tracking apparatus for a gateway station as claimed in any one of claims 1 to 7.
9. A method for satellite self-tracking of a gateway station, comprising:
the antenna control module generates a control instruction; wherein the control instructions include: dynamically configuring information for an antenna array plane;
the phased array communication antenna equipment combines a plurality of antenna sub-arrays into at least one phased array logic sub-array according to the control instruction, and controls the phased array logic sub-array to generate single beams or multiple beams for tracking at least one satellite;
wherein the antenna array dynamic configuration information comprises: the combined scheduling information of the phased array logic subarrays, the pointing direction and the power information of the antenna subarrays;
the phased array communication antenna equipment combines the plurality of antenna sub-arrays according to the combined scheduling information to form one or more phased array logic sub-arrays;
the antenna subarray consists of a plurality of antenna units; the phased array communications antenna apparatus adjusting the phase and amplitude of the antenna elements in accordance with the pointing and power information to cause the antenna sub-array to generate receive and/or transmit beams for tracking at least one satellite;
the antenna control module generates the combined scheduling information and the pointing direction and power information of the antenna subarray according to the required number of beams, the angle and the power information of each beam corresponding to the phased array communication antenna equipment;
when the phased array communication antenna equipment determines that the target satellite tracked by the phased array logic subarray exceeds the wave beam range of the phased array logic subarray, controlling the antenna subarray adjacent to the phased array logic subarray to carry out relay tracking on the target satellite; the operating band of the phased array communications antenna apparatus includes: the millimeter wave band.
10. The method of claim 9, wherein,
all antenna elements of the antenna subarray are used for receiving beams or transmitting beams; alternatively, all antenna elements of the antenna sub-array are used for receiving and transmitting beams.
11. The method of claim 9, further comprising:
the scheduling calculation module determines the required quantity of the beams, the angle and the power information of each beam according to the satellite related information and the position information of the gateway station; wherein the satellite related information comprises: satellite ephemeris information, and satellite transit information over the gateway station in each time period.
12. A computer readable storage medium having stored thereon computer instructions for execution by a processor to perform the method of any of claims 9 to 11.
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| US20230232248A1 (en) * | 2022-01-14 | 2023-07-20 | Rovial SAS | Satellite Receiver with Dynamically Selected Switched Antenna Elements |
| CN114614240B (en) * | 2022-03-14 | 2022-11-08 | 湖南澳德信息科技有限公司 | Intelligent antenna system applied to navigation satellite |
| CN115065395B (en) * | 2022-04-14 | 2023-06-16 | 中国电子科技集团公司第三十八研究所 | Satellite-borne phased array control method, system and readable storage medium |
| CN115776324B (en) * | 2022-10-28 | 2023-07-25 | 中国人民解放军63921部队 | Aircraft measurement and control system based on low orbit satellite network |
| CN116170067B (en) * | 2023-04-25 | 2023-07-21 | 中国电子科技集团公司第五十四研究所 | Multi-star tracking strategy generation method |
| CN116318373B (en) * | 2023-05-12 | 2023-08-18 | 北京米波通信技术有限公司 | Low-orbit satellite receiving system, method, equipment and medium |
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