CN117544219A - Phased array antenna control system and method for Ka guard - Google Patents
Phased array antenna control system and method for Ka guard Download PDFInfo
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- CN117544219A CN117544219A CN202311439644.6A CN202311439644A CN117544219A CN 117544219 A CN117544219 A CN 117544219A CN 202311439644 A CN202311439644 A CN 202311439644A CN 117544219 A CN117544219 A CN 117544219A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 39
- 230000010287 polarization Effects 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000003786 synthesis reaction Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000003491 array Methods 0.000 claims 2
- 230000001276 controlling effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
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Classifications
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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
- H01Q3/34—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 by electrical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- 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
- 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
- H04B7/18513—Transmission in a satellite or space-based system
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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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
Abstract
The invention discloses a Ka-satellite phased array antenna control system and a Ka-satellite phased array antenna control method, which belong to the field of phased array antenna control, wherein the system comprises an inertial reference system, a satellite modem, an antenna controller, a receiving antenna hardware controller, a transmitting antenna hardware controller, a receiving antenna subarray and a transmitting antenna subarray; the antenna controller communicates with the inertial reference system, the antenna controller communicates with the satellite modem, the antenna controller communicates with the transmit antenna hardware controller and the receive antenna hardware controller, and the transmit antenna hardware controller and the receive antenna hardware controller communicate with the transmit antenna sub-array and the receive antenna sub-array. The invention has stronger compatibility and expandability, improves the use experience of on-board users, and ensures the stability and continuity of the phased array antenna and satellite communication.
Description
Technical Field
The invention relates to the field of phased array antenna control, in particular to a Ka-Weitong phased array antenna control system and method.
Background
Ka-weitong phased array antenna refers to a phased array antenna operating in the Ka frequency band (26.5-40 GHz), and generally has higher gain and smaller beam width, and can realize longer-distance communication and higher data transmission rate. The Ka satellite phased array antenna is widely applied to satellite communication ground stations, realizes the function of receiving and transmitting signals between the satellite communication ground stations and satellites, and can meet the communication requirements of the fields of household satellite televisions, enterprise communication, military communication, emergency rescue communication, aviation communication and the like.
At present, the phased array antenna has the advantages of high gain, long acting distance, rapid beam shape and the like, so that the phased array antenna is more and more widely applied to the field of Ka satellite communication, and in addition, the control system of the phased array antenna is used as an important component of the Ka satellite communication system and is a basis for realizing Ka satellite communication. The disclosed phased array antenna control system includes only a processor, an inertial navigation system, a Field Programmable Gate Array (FPGA), and a phased array antenna, does not consider full duplex data interactions between the processor, the Field Programmable Gate Array (FPGA), and the phased array antenna, and does not facilitate antenna array expansion. In practical environments, especially in the phased array antenna of the Ka satellite, not only full duplex data interaction is needed between a processor, a Field Programmable Gate Array (FPGA) and the phased array antenna, but also full duplex data interaction is needed between the processor and a satellite modem, so that the satellite communication requirement of the Ka satellite system cannot be met by the conventional phased array antenna control system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a Ka-satellite phased array antenna control system and a Ka-satellite phased array antenna control method, which have strong compatibility and expandability, improve the use experience of on-board users, ensure the stability and continuity of the communication between the phased array antenna and a satellite, and the like.
The invention aims at realizing the following scheme:
a Ka guard phased array antenna control system comprising:
the system comprises an inertial reference system, a satellite modem, an antenna controller, a receiving antenna hardware controller, a transmitting antenna hardware controller, a receiving antenna subarray and a transmitting antenna subarray; the antenna controller is communicated with the inertial reference system, the antenna controller is communicated with the satellite modem, the antenna controller is communicated with the transmitting antenna hardware controller and the receiving antenna hardware controller, and the transmitting antenna hardware controller and the receiving antenna hardware controller are communicated with the transmitting antenna subarrays and the receiving antenna subarrays;
the inertial reference system is used for providing real-time position information and attitude information of the phased array antenna;
the satellite modem is used for interacting the position information, the beam frequency and the polarization information of the satellite through OpenAMIP information, wherein the OpenAMIP is a communication protocol between the antenna controller and the satellite modem;
the antenna controller is used for calculating the real-time beam direction and frequency of the phased array antenna after receiving the real-time position information and the real-time attitude information of the phased array antenna issued by the inertial reference system and the satellite position information, the beam frequency and the polarization information issued by the satellite modem, and is used for beam scanning of the phased array antenna; and the antenna control logic is used for packaging related antenna control commands according to the related antenna control logic and sending the related antenna control commands to the transmitting antenna hardware controller and the receiving antenna hardware controller; the system comprises an antenna, an OpenAMIP message, a satellite modem and a control system, wherein the antenna is used for transmitting related control information and antenna working state information to the satellite modem through the OpenAMIP message according to the working state of the antenna;
the receiving antenna hardware controller is used for receiving the receiving antenna control commands issued by the antenna controller and executing related receiving antenna control actions aiming at different commands;
the receiving antenna subarrays are used for searching a corresponding wave control code table or a real-time calculation wave control code table which is pre-stored in the nonvolatile memory according to the wave beam pointing information and the frequency information provided by the receiving antenna hardware controller, and controlling the amplitude and the phase of each array element in the phased array receiving antenna array according to the wave control code table so as to change the wave beam pointing of the space synthesis of the phased array receiving antenna and finish wave beam scanning;
the transmitting antenna hardware controller is used for receiving transmitting antenna control commands issued by the antenna controller and executing related transmitting antenna control actions aiming at different commands;
the transmitting antenna subarrays are used for searching a corresponding wave control code table or a real-time calculation wave control code table which is pre-stored in the nonvolatile memory according to the wave beam pointing information and the frequency information provided by the transmitting antenna hardware controller, and controlling the amplitude and the phase of each array element in the phased array transmitting antenna array according to the wave control code table so as to change the wave beam pointing of the space synthesis of the phased array transmitting antenna and finish wave beam scanning.
Further, the antenna controller communicates with an inertial reference system over an AXI bus.
Further, the antenna controller communicates with a satellite modem via a TCP/IP protocol.
Further, the antenna controller communicates with a transmit antenna hardware controller and a receive antenna hardware controller over an RS422 bus.
Further, the transmit antenna hardware controller and the receive antenna hardware controller communicate with the transmit antenna subarrays and the receive antenna subarrays over an RS422 bus.
A phased array antenna control method for Ka guard, comprising the steps of:
s1, after a satellite system is electrified, an antenna controller receives OpenAMIP information sent by a satellite modem and antenna position information sent by an inertial reference system;
s2, the antenna controller calculates the beam direction and frequency of the antenna according to the satellite position information, the beam frequency information and the antenna position information, and is used for beam scanning of the phased array antenna;
s3, the antenna controller packages related antenna control commands according to related antenna control logic and sends the related antenna control commands to the transmitting antenna hardware controller and the receiving antenna hardware controller;
s4, after the receiving antenna hardware controller and the transmitting antenna hardware controller receive the antenna control command issued by the antenna controller, relevant antenna control actions are executed aiming at different commands;
s5, after the receiving antenna subarray and the transmitting antenna subarray respectively receive the antenna beam direction and frequency information issued by the receiving antenna hardware controller and the transmitting antenna hardware controller, searching a corresponding wave control code table or a real-time calculation wave control code table which is stored in a nonvolatile memory in advance according to the antenna beam direction information and the frequency information, and adjusting the target amplitude and the target phase of each array element contained in the beam to be switched between the receiving antenna and the transmitting antenna, so that the phased array antenna realizes beam direction switching by adjusting the amplitude and the phase of each array element;
s6, the receiving antenna hardware controller and the transmitting antenna hardware controller send the receiving antenna working state data and the transmitting antenna working state data to the antenna controller;
and S7, the antenna controller sends the position information, the attitude information and the satellite modem control information of the antenna to the satellite modem through the OpenAMIP message according to the real-time working state of the antenna, the satellite modem judges whether the antenna has the cross-beam communication according to the antenna position information, and if so, the satellite modem timely provides the cross-beam information such as frequency and polarization through the OpenAMIP message, so that the antenna works in the correct frequency and polarization state, and the stability and the continuity of the phased array antenna and the satellite communication are ensured.
Further, in step S3, the method specifically includes the following sub-steps: after the antenna controller calculates the antenna beam direction and frequency, the beam direction information and the frequency information of the receiving antenna and the transmitting antenna are packaged into a beam direction frequency switching instruction, and the beam direction frequency switching instruction is sent to the receiving antenna hardware controller and the transmitting antenna hardware controller through the RS422 bus.
Further, in step S4, the performing related antenna control actions for different commands specifically includes the following sub-steps: after receiving the beam pointing frequency switching instruction issued by the antenna controller, the receiving antenna hardware controller sends the receiving antenna beam pointing information and the frequency information to the receiving antenna subarrays through an RS422 bus, and the transmitting antenna hardware controller sends the transmitting antenna beam pointing information and the frequency information to the transmitting antenna subarrays through the RS422 bus.
Further, in step S5, the corresponding wave control code table or the real-time wave control code table stored in the nonvolatile memory in advance is searched according to the antenna beam pointing information and the frequency information, and the target amplitude and the target phase of each array element included in the to-be-switched beam of the receiving antenna and the transmitting antenna are adjusted, so that the phased array antenna realizes the beam pointing switching by adjusting the amplitude and the phase of each array element, and the method specifically includes the following steps:
the beam control subsystem in the phased array antenna control system is a distributed beam control system, an antenna array surface is divided into a plurality of subarrays for management, each subarray corresponds to one beam control operation processing unit, each beam control operation processing unit only processes and distributes a wave control code table corresponding to a subarray management array element and is used for realizing rapid and accurate beam pointing switching, the stability of phased array antenna and satellite communication is ensured, and in addition, the antenna divides the array surface into subarrays with different numbers according to specific requirements and is used for improving expandability.
Further, in step S6, the receiving antenna hardware controller and the transmitting antenna hardware controller send the receiving antenna operating state data and the transmitting antenna operating state data to the antenna controller through the RS422 bus.
The beneficial effects of the invention include:
the Ka-satellite phased array antenna control system provided by the invention can be adapted to different satellite modems and inertial reference systems, and has stronger compatibility and expandability.
The Ka-satellite phased array antenna control system provided by the invention has the advantages that the wave beam direction frequency switching time is short, the switching time is in the subtle level, the wave beam direction can be switched in real time even if the mobile carrier such as an airplane and the like does a large maneuver, the function of tracking the satellite in real time by the system is realized, the higher stability of the phased array antenna and the satellite communication is ensured, the condition that the Ka-satellite system is interrupted in the flight process of the airplane is reduced, and the use experience of the user on the airplane is improved.
The Ka-satellite phased array antenna control system provided by the invention can receive the information of frequency, polarization and the like after cross-beam transmitted by the satellite modem through OpenAMIP information, so that the antenna works in the correct frequency and polarization state, and the stability and the continuity of the phased array antenna and satellite communication are ensured.
The Ka satellite phased array antenna control system provided by the invention is engineering applied to a certain airborne broadband satellite communication phased array antenna.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a block diagram of a beam control system of a kaweitong phased array antenna according to an embodiment of the present invention;
fig. 2 is a flowchart of a beam control system of a kaweitong phased array antenna according to an embodiment of the present invention.
Detailed Description
All of the features disclosed in all of the embodiments of this specification, or all of the steps in any method or process disclosed implicitly, except for the mutually exclusive features and/or steps, may be combined and/or expanded and substituted in any way.
In view of the current state of the art in the background, the inventors of the present invention have performed inventive analyses and thought to consider that: the high gain of the phased array antenna can cause the radiation beam to narrow, and the phased array antenna is arranged on a carrier moving at high speed such as an airplane, particularly under the circumstance of large maneuvering, the position and the posture of the antenna are further caused to change rapidly, if the beam switching response speed or the accuracy of the antenna is insufficient, the beam pointing direction of the phased array antenna can be caused to deviate from a satellite, and the satellite communication link is unstable or even is interrupted. Therefore, the Ka satellite phased array antenna needs to keep high-frequency communication with the satellite modem, and the working state information of the interactive antenna and the information of the frequency, the polarization and the like of the wave beam are used for ensuring that the satellite is aligned at all times in a high-speed motion state, and particularly when in cross-wave beam communication, if the satellite modem cannot timely provide the information of the frequency, the polarization and the like after the cross-wave beam is provided, the satellite communication link is interrupted. Thus, there is a need for a phased array antenna control system that enables real-time beam-pointing switching and maintains synchronous communication with a satellite modem.
Based on the above findings, the present invention first contemplates a kaweitong phased array antenna control system, as shown in fig. 1, which is a block diagram of the kaweitong phased array antenna control system, and the system is composed of an inertial reference system, a satellite modem, an antenna controller, a receiving antenna hardware controller, a transmitting antenna hardware controller, a receiving antenna subarray, and a transmitting antenna subarray, wherein the antenna controller communicates with the inertial reference system through an AXI bus, communicates with the satellite modem through a TCP/IP protocol, communicates with the transmitting antenna hardware controller and the receiving antenna hardware controller through an RS422 bus, and communicates with the transmitting antenna subarray and the receiving antenna subarray through an RS422 bus, and the functions of each module are as follows:
inertial reference system: real-time position and attitude information for the phased array antenna is provided.
Satellite modem: the position information, the beam frequency, the polarization and other information of the satellite are interacted through OpenAMIP information, wherein the OpenAMIP is a communication protocol between the antenna controller and the satellite modem.
An antenna controller: (1) After receiving real-time position information and real-time attitude information of the phased array antenna and information such as satellite position information, beam frequency, polarization and the like issued by the satellite modem and issued by the inertial reference system, calculating real-time beam direction and frequency of the phased array antenna for beam scanning of the phased array antenna; (2) Packaging related antenna control commands according to related antenna control logic and sending the related antenna control commands to a transmitting antenna hardware controller and a receiving antenna hardware controller; (3) And according to the working state of the antenna, the related control information and the antenna working state information are sent to the satellite modem through OpenAMIP information.
A receive antenna hardware controller: and receiving the receiving antenna control commands issued by the antenna controller, and executing relevant receiving antenna control actions aiming at different commands.
Receiving antenna subarrays: according to the wave beam pointing information and the frequency information provided by the receiving antenna hardware controller, searching a corresponding wave control code table or calculating the wave control code table in real time, which are stored in the nonvolatile memory in advance, and controlling the amplitude and the phase of each array element in the phased array receiving antenna array according to the wave control code table, thereby changing the wave beam pointing of the space synthesis of the phased array receiving antenna and completing wave beam scanning.
Transmitting antenna hardware controller: and receiving the transmitting antenna control command issued by the antenna controller, and executing related transmitting antenna control actions aiming at different commands.
Transmitting antenna subarrays: according to the wave beam pointing information and the frequency information provided by the transmitting antenna hardware controller, searching a corresponding wave control code table or calculating the wave control code table in real time, which are stored in the nonvolatile memory in advance, and controlling the amplitude and the phase of each array element in the phased array transmitting antenna array according to the wave control code table, thereby changing the wave beam pointing of the phased array transmitting antenna space synthesis and completing wave beam scanning.
Based on the discovery, the invention designs a Ka-guard phased array antenna control method based on the system, which specifically comprises the following working procedures:
as shown in fig. 2, first, after the satellite communication system is powered on, the antenna controller receives OpenAMIP messages (including satellite position information: longitude, latitude and altitude, beam frequency, polarization, etc.) issued by the satellite modem and antenna position information (azimuth angle, pitch angle, roll angle, heading angle, longitude, latitude and altitude) issued by the inertial reference system.
Further, the antenna controller calculates beam pointing and frequency of the antenna for beam scanning of the phased array antenna based on the satellite position information, the beam frequency information, and the antenna position information.
Further, the antenna controller encapsulates the relevant antenna control commands according to the relevant antenna control logic and sends to the transmit antenna hardware controller and the receive antenna hardware controller, for example: after the antenna controller calculates the antenna beam direction and frequency, the beam direction information and the frequency information of the receiving antenna and the transmitting antenna are packaged into a beam direction frequency switching instruction, and the beam direction frequency switching instruction is sent to the receiving antenna hardware controller and the transmitting antenna hardware controller through the RS422 bus.
Further, after the receiving antenna hardware controller and the transmitting antenna hardware controller receive the antenna control command issued by the antenna controller, the receiving antenna hardware controller performs related antenna control actions for different commands, for example: after receiving the beam pointing frequency switching instruction issued by the antenna controller, the receiving antenna hardware controller sends the receiving antenna beam pointing information and the frequency information to the receiving antenna subarrays through an RS422 bus, and the transmitting antenna hardware controller sends the transmitting antenna beam pointing information and the frequency information to the transmitting antenna subarrays through the RS422 bus.
Further, after the receiving antenna subarray and the transmitting antenna subarray respectively receive the antenna beam direction and the frequency information issued by the receiving antenna hardware controller and the transmitting antenna hardware controller, a corresponding wave control code table or a real-time calculation wave control code table which is stored in a nonvolatile memory in advance is searched according to the antenna beam direction information and the frequency information, and the target amplitude and the target phase of each array element contained in the beam to be switched between the receiving antenna and the transmitting antenna are regulated, so that the phased array antenna realizes the beam direction switching by regulating the amplitude and the phase of each array element. Specifically, as shown in fig. 1, the beam control subsystem in the phased array antenna control system is a distributed beam control system, the antenna array surface is divided into a plurality of subarrays for management, each subarray corresponds to one beam control operation processing unit (generally a Field Programmable Gate Array (FPGA)), each beam control operation processing unit only processes and distributes a wave control code table corresponding to the subarray management array element, rapid and accurate beam pointing switching can be realized, the stability of phased array antennas and satellite communication is ensured, in addition, the antenna can divide the array surface into subarrays with different numbers according to specific requirements, and the expandability is high.
Further, the receiving antenna hardware controller and the transmitting antenna hardware controller may transmit the receiving antenna operating state data (beam pointing frequency, temperature state, frequency synthesis state, etc.) and the transmitting antenna operating state data (beam pointing frequency, temperature state, frequency synthesis state, channel switching state, etc.) to the antenna controller through the RS422 bus.
Further, the antenna controller sends the position information, the attitude information and the satellite modem control information of the antenna to the satellite modem through the OpenAMIP message according to the real-time working state of the antenna, the satellite modem judges whether the antenna has the cross-beam communication according to the antenna position information, if so, the satellite modem timely provides the cross-beam information such as the frequency and the polarization through the OpenAMIP message, so that the antenna works in the correct frequency and the polarization state, and the stability and the continuity of the phased array antenna and the satellite communication are ensured.
It should be noted that, within the scope of protection defined in the claims of the present invention, the following embodiments may be combined and/or expanded, and replaced in any manner that is logical from the above specific embodiments, such as the disclosed technical principles, the disclosed technical features or the implicitly disclosed technical features, etc.
Example 1
A Ka guard phased array antenna control system comprising:
the system comprises an inertial reference system, a satellite modem, an antenna controller, a receiving antenna hardware controller, a transmitting antenna hardware controller, a receiving antenna subarray and a transmitting antenna subarray; the antenna controller is communicated with the inertial reference system, the antenna controller is communicated with the satellite modem, the antenna controller is communicated with the transmitting antenna hardware controller and the receiving antenna hardware controller, and the transmitting antenna hardware controller and the receiving antenna hardware controller are communicated with the transmitting antenna subarrays and the receiving antenna subarrays;
the inertial reference system is used for providing real-time position information and attitude information of the phased array antenna;
the satellite modem is used for interacting the position information, the beam frequency and the polarization information of the satellite through OpenAMIP information, wherein the OpenAMIP is a communication protocol between the antenna controller and the satellite modem;
the antenna controller is used for calculating the real-time beam direction and frequency of the phased array antenna after receiving the real-time position information and the real-time attitude information of the phased array antenna issued by the inertial reference system and the satellite position information, the beam frequency and the polarization information issued by the satellite modem, and is used for beam scanning of the phased array antenna; and the antenna control logic is used for packaging related antenna control commands according to the related antenna control logic and sending the related antenna control commands to the transmitting antenna hardware controller and the receiving antenna hardware controller; the system comprises an antenna, an OpenAMIP message, a satellite modem and a control system, wherein the antenna is used for transmitting related control information and antenna working state information to the satellite modem through the OpenAMIP message according to the working state of the antenna;
the receiving antenna hardware controller is used for receiving the receiving antenna control commands issued by the antenna controller and executing related receiving antenna control actions aiming at different commands;
the receiving antenna subarrays are used for searching a corresponding wave control code table or a real-time calculation wave control code table which is pre-stored in the nonvolatile memory according to the wave beam pointing information and the frequency information provided by the receiving antenna hardware controller, and controlling the amplitude and the phase of each array element in the phased array receiving antenna array according to the wave control code table so as to change the wave beam pointing of the space synthesis of the phased array receiving antenna and finish wave beam scanning;
the transmitting antenna hardware controller is used for receiving transmitting antenna control commands issued by the antenna controller and executing related transmitting antenna control actions aiming at different commands;
the transmitting antenna subarrays are used for searching a corresponding wave control code table or a real-time calculation wave control code table which is pre-stored in the nonvolatile memory according to the wave beam pointing information and the frequency information provided by the transmitting antenna hardware controller, and controlling the amplitude and the phase of each array element in the phased array transmitting antenna array according to the wave control code table so as to change the wave beam pointing of the space synthesis of the phased array transmitting antenna and finish wave beam scanning.
Example 2
On the basis of embodiment 1, the antenna controller communicates with the inertial reference system via an AXI bus.
Example 3
Based on embodiment 1, the antenna controller communicates with the satellite modem via the TCP/IP protocol.
Example 4
On the basis of embodiment 1, the antenna controller communicates with the transmit antenna hardware controller and the receive antenna hardware controller via an RS422 bus.
Example 5
On the basis of embodiment 1, the transmit antenna hardware controller and the receive antenna hardware controller communicate with the transmit antenna subarrays and the receive antenna subarrays through an RS422 bus.
Example 6
A phased array antenna control method for Ka guard, comprising the steps of:
s1, after a satellite system is electrified, an antenna controller receives OpenAMIP information sent by a satellite modem and antenna position information sent by an inertial reference system;
s2, the antenna controller calculates the beam direction and frequency of the antenna according to the satellite position information, the beam frequency information and the antenna position information, and is used for beam scanning of the phased array antenna;
s3, the antenna controller packages related antenna control commands according to related antenna control logic and sends the related antenna control commands to the transmitting antenna hardware controller and the receiving antenna hardware controller;
s4, after the receiving antenna hardware controller and the transmitting antenna hardware controller receive the antenna control command issued by the antenna controller, relevant antenna control actions are executed aiming at different commands;
s5, after the receiving antenna subarray and the transmitting antenna subarray respectively receive the antenna beam direction and frequency information issued by the receiving antenna hardware controller and the transmitting antenna hardware controller, searching a corresponding wave control code table or a real-time calculation wave control code table which is stored in a nonvolatile memory in advance according to the antenna beam direction information and the frequency information, and adjusting the target amplitude and the target phase of each array element contained in the beam to be switched between the receiving antenna and the transmitting antenna, so that the phased array antenna realizes beam direction switching by adjusting the amplitude and the phase of each array element;
s6, the receiving antenna hardware controller and the transmitting antenna hardware controller send the receiving antenna working state data and the transmitting antenna working state data to the antenna controller;
and S7, the antenna controller sends the position information, the attitude information and the satellite modem control information of the antenna to the satellite modem through the OpenAMIP message according to the real-time working state of the antenna, the satellite modem judges whether the antenna has the cross-beam communication according to the antenna position information, and if so, the satellite modem timely provides the cross-beam information such as frequency and polarization through the OpenAMIP message, so that the antenna works in the correct frequency and polarization state, and the stability and the continuity of the phased array antenna and the satellite communication are ensured.
Example 7
On the basis of embodiment 1, in step S3, the following sub-steps are specifically included: after the antenna controller calculates the antenna beam direction and frequency, the beam direction information and the frequency information of the receiving antenna and the transmitting antenna are packaged into a beam direction frequency switching instruction, and the beam direction frequency switching instruction is sent to the receiving antenna hardware controller and the transmitting antenna hardware controller through the RS422 bus.
Example 8
On the basis of embodiment 1, in step S4, the performing related antenna control actions for different commands specifically includes the sub-steps of: after receiving the beam pointing frequency switching instruction issued by the antenna controller, the receiving antenna hardware controller sends the receiving antenna beam pointing information and the frequency information to the receiving antenna subarrays through an RS422 bus, and the transmitting antenna hardware controller sends the transmitting antenna beam pointing information and the frequency information to the transmitting antenna subarrays through the RS422 bus.
Example 9
Based on embodiment 1, in step S5, the corresponding wave control code table or the real-time wave control code table pre-stored in the nonvolatile memory is searched according to the antenna beam pointing information and the frequency information, and the target amplitude and the target phase of each array element included in the to-be-switched beam of the receiving antenna and the transmitting antenna are adjusted, so that the phased array antenna realizes the beam pointing switching by adjusting the amplitude and the phase of each array element, which specifically includes the following steps:
the beam control subsystem in the phased array antenna control system is a distributed beam control system, an antenna array surface is divided into a plurality of subarrays for management, each subarray corresponds to one beam control operation processing unit, each beam control operation processing unit only processes and distributes a wave control code table corresponding to a subarray management array element and is used for realizing rapid and accurate beam pointing switching, the stability of phased array antenna and satellite communication is ensured, and in addition, the antenna divides the array surface into subarrays with different numbers according to specific requirements and is used for improving expandability.
Example 10
On the basis of embodiment 9, in step S6, the receiving antenna hardware controller and the transmitting antenna hardware controller transmit the receiving antenna operation state data and the transmitting antenna operation state data to the antenna controller through the RS422 bus.
The units involved in the embodiments of the present invention may be implemented by software, or may be implemented by hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
According to an aspect of embodiments of the present invention, there is provided a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The computer instructions are read from the computer-readable storage medium by a processor of a computer device, and executed by the processor, cause the computer device to perform the methods provided in the various alternative implementations described above.
As another aspect, the embodiment of the present invention also provides a computer-readable medium that may be contained in the electronic device described in the above embodiment; or may exist alone without being incorporated into the electronic device. The computer-readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to implement the methods described in the above embodiments.
Claims (10)
1. A Ka guard phased array antenna control system comprising:
the system comprises an inertial reference system, a satellite modem, an antenna controller, a receiving antenna hardware controller, a transmitting antenna hardware controller, a receiving antenna subarray and a transmitting antenna subarray; the antenna controller is communicated with the inertial reference system, the antenna controller is communicated with the satellite modem, the antenna controller is communicated with the transmitting antenna hardware controller and the receiving antenna hardware controller, and the transmitting antenna hardware controller and the receiving antenna hardware controller are communicated with the transmitting antenna subarrays and the receiving antenna subarrays;
the inertial reference system is used for providing real-time position information and attitude information of the phased array antenna;
the satellite modem is used for interacting the position information, the beam frequency and the polarization information of the satellite through OpenAMIP information, wherein the OpenAMIP is a communication protocol between the antenna controller and the satellite modem;
the antenna controller is used for calculating the real-time beam direction and frequency of the phased array antenna after receiving the real-time position information and the real-time attitude information of the phased array antenna issued by the inertial reference system and the satellite position information, the beam frequency and the polarization information issued by the satellite modem, and is used for beam scanning of the phased array antenna; and the antenna control logic is used for packaging related antenna control commands according to the related antenna control logic and sending the related antenna control commands to the transmitting antenna hardware controller and the receiving antenna hardware controller; the system comprises an antenna, an OpenAMIP message, a satellite modem and a control system, wherein the antenna is used for transmitting related control information and antenna working state information to the satellite modem through the OpenAMIP message according to the working state of the antenna;
the receiving antenna hardware controller is used for receiving the receiving antenna control commands issued by the antenna controller and executing related receiving antenna control actions aiming at different commands;
the receiving antenna subarrays are used for searching a corresponding wave control code table or a real-time calculation wave control code table which is pre-stored in the nonvolatile memory according to the wave beam pointing information and the frequency information provided by the receiving antenna hardware controller, and controlling the amplitude and the phase of each array element in the phased array receiving antenna array according to the wave control code table so as to change the wave beam pointing of the space synthesis of the phased array receiving antenna and finish wave beam scanning;
the transmitting antenna hardware controller is used for receiving transmitting antenna control commands issued by the antenna controller and executing related transmitting antenna control actions aiming at different commands;
the transmitting antenna subarrays are used for searching a corresponding wave control code table or a real-time calculation wave control code table which is pre-stored in the nonvolatile memory according to the wave beam pointing information and the frequency information provided by the transmitting antenna hardware controller, and controlling the amplitude and the phase of each array element in the phased array transmitting antenna array according to the wave control code table so as to change the wave beam pointing of the space synthesis of the phased array transmitting antenna and finish wave beam scanning.
2. The Ka-toilet phased array antenna control system of claim 1, wherein the antenna controller communicates with an inertial reference system over an AXI bus.
3. The kaweitong phased array antenna control system of claim 1, wherein the antenna controller communicates with a satellite modem via TCP/IP protocol.
4. The Ka-toilet phased array antenna control system of claim 1, wherein the antenna controller communicates with transmit antenna hardware controller and receive antenna hardware controller via an RS422 bus.
5. The Ka-toilet phased array antenna control system of claim 1, wherein the transmit antenna hardware controller and receive antenna hardware controller communicate with transmit antenna sub-arrays and receive antenna sub-arrays via an RS422 bus.
6. The phased array antenna control method for Ka guard is characterized by comprising the following steps of:
s1, after a satellite system is electrified, an antenna controller receives OpenAMIP information sent by a satellite modem and antenna position information sent by an inertial reference system;
s2, the antenna controller calculates the beam direction and frequency of the antenna according to the satellite position information, the beam frequency information and the antenna position information, and is used for beam scanning of the phased array antenna;
s3, the antenna controller packages related antenna control commands according to related antenna control logic and sends the related antenna control commands to the transmitting antenna hardware controller and the receiving antenna hardware controller;
s4, after the receiving antenna hardware controller and the transmitting antenna hardware controller receive the antenna control command issued by the antenna controller, relevant antenna control actions are executed aiming at different commands;
s5, after the receiving antenna subarray and the transmitting antenna subarray respectively receive the antenna beam direction and frequency information issued by the receiving antenna hardware controller and the transmitting antenna hardware controller, searching a corresponding wave control code table or a real-time calculation wave control code table which is stored in a nonvolatile memory in advance according to the antenna beam direction information and the frequency information, and adjusting the target amplitude and the target phase of each array element contained in the beam to be switched between the receiving antenna and the transmitting antenna, so that the phased array antenna realizes beam direction switching by adjusting the amplitude and the phase of each array element;
s6, the receiving antenna hardware controller and the transmitting antenna hardware controller send the receiving antenna working state data and the transmitting antenna working state data to the antenna controller;
and S7, the antenna controller sends the position information, the attitude information and the satellite modem control information of the antenna to the satellite modem through the OpenAMIP message according to the real-time working state of the antenna, the satellite modem judges whether the antenna has the cross-beam communication according to the antenna position information, and if so, the satellite modem timely provides the cross-beam information such as frequency and polarization through the OpenAMIP message, so that the antenna works in the correct frequency and polarization state, and the stability and the continuity of the phased array antenna and the satellite communication are ensured.
7. The kaweitong phased array antenna control system according to claim 1, characterized in that in step S3, it comprises the following sub-steps: after the antenna controller calculates the antenna beam direction and frequency, the beam direction information and the frequency information of the receiving antenna and the transmitting antenna are packaged into a beam direction frequency switching instruction, and the beam direction frequency switching instruction is sent to the receiving antenna hardware controller and the transmitting antenna hardware controller through the RS422 bus.
8. The kaweitong phased array antenna control system according to claim 1, wherein in step S4, the relevant antenna control actions are performed for different commands, comprising the following steps: after receiving the beam pointing frequency switching instruction issued by the antenna controller, the receiving antenna hardware controller sends the receiving antenna beam pointing information and the frequency information to the receiving antenna subarrays through an RS422 bus, and the transmitting antenna hardware controller sends the transmitting antenna beam pointing information and the frequency information to the transmitting antenna subarrays through the RS422 bus.
9. The system according to claim 1, wherein in step S5, the corresponding wave control code table or real-time wave control code table stored in the nonvolatile memory is searched according to the antenna beam pointing information and the frequency information, the target amplitude and the target phase of each array element included in the beam to be switched of the receiving antenna and the transmitting antenna are adjusted, so that the phased array antenna realizes the beam pointing switching by adjusting the amplitude and the phase of each array element, and the method specifically comprises the following steps:
the beam control subsystem in the phased array antenna control system is a distributed beam control system, an antenna array surface is divided into a plurality of subarrays for management, each subarray corresponds to one beam control operation processing unit, each beam control operation processing unit only processes and distributes a wave control code table corresponding to a subarray management array element and is used for realizing rapid and accurate beam pointing switching, the stability of phased array antenna and satellite communication is ensured, and in addition, the antenna divides the array surface into subarrays with different numbers according to specific requirements and is used for improving expandability.
10. The kaweitong phased array antenna control system of claim 9, wherein in step S6, the receive antenna hardware controller and the transmit antenna hardware controller send receive antenna operational status data and transmit antenna operational status data to the antenna controller via an RS422 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311439644.6A CN117544219A (en) | 2023-10-31 | 2023-10-31 | Phased array antenna control system and method for Ka guard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311439644.6A CN117544219A (en) | 2023-10-31 | 2023-10-31 | Phased array antenna control system and method for Ka guard |
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| CN117544219A true CN117544219A (en) | 2024-02-09 |
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| CN202311439644.6A Pending CN117544219A (en) | 2023-10-31 | 2023-10-31 | Phased array antenna control system and method for Ka guard |
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| CN (1) | CN117544219A (en) |
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