CN113746530A - Phased array wave position control device based on dynamic upward injection - Google Patents
Phased array wave position control device based on dynamic upward injection Download PDFInfo
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- H—ELECTRICITY
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Abstract
The invention discloses a wave position control device based on a dynamic upper injection phased array, which comprises a data receiving and distinguishing module, a wave position information storage module, a wave position control module and a framing control module. The invention uses a self-adaptive control mode to complete the phased array wave position control. The invention solves the problem of wave position control of the phased array antenna, completes wide area coverage broadcast type communication, can realize real-time and dynamic update of the wave beam scanning range, and has the advantages of flexible control data processing, decoupling design of a transmission protocol, real-time control of the wave beam scanning range and the like. The method is particularly suitable for satellite-borne equipment with strict power consumption control, limited spot beam coverage and wide communication coverage, and can meet the broadcast communication with flexible and variable areas and access along with the areas.
Description
Technical Field
The invention relates to the field of service and antenna integrated control of satellite communication, in particular to a wave position control device based on a dynamic upper injection phased array.
Background
The user needs to complete network access at the beginning of satellite network communication, and generally uses a wide beam system, because the wide beam coverage is wide, and simultaneously considers the problem of satellite energy consumption, the transmitting power is not much, so the transmission quantity is low, and the quantity of the access users is limited. The wide beam has many frequency-limiting conditions, and is likely to cause interference with other devices, and has few choices. The problems of user quantity, interference and the like can be solved by using the spot wave beams to complete the initial network access communication, and the initial network access communication problem of the user can be effectively solved by controlling the wave positions of the phased array spot wave beams.
Disclosure of Invention
The invention aims to avoid the defects in the background art, provides a wave position control device based on a dynamic upper-beam phased array, and solves the problem that a ground user accesses a satellite network along with a domain. The invention has the advantages of high access communication rate, small transmitting power, strong anti-interference performance, small adjacent satellite interference, variable scanning range, real-time variable access communication function and service communication function and the like. The device is particularly suitable for satellite random access and convergence service communication control devices.
The technical scheme adopted by the invention is as follows:
a wave position control device based on a dynamic upper injection phased array comprises a data receiving and distinguishing module 1, a wave position information storage module 2, a wave position control module 3 and a framing control module 4;
the data receiving and distinguishing module 1 is used for receiving the control signal, distinguishing wave position control data through a frame type, sending the wave position control data to the wave position information storage module 2, generating a wave position information updating prompt signal and sending the wave position information updating prompt signal to the wave position control module 3;
the wave position information storage module 2 is used for receiving and storing wave position control data, receiving a wave position information reading signal of the wave position control module 3, reading out the stored wave position control data, generating wave position information data and sending the wave position information data to the wave position control module 3;
the wave position control module 3 is used for determining whether wave position information is updated according to the received wave position information updating prompt signal, sending a wave position information reading signal to the wave position information storage module 2, receiving wave position information data returned by the wave position information storage module 2, processing the wave position information data, generating a phased array antenna control signal to be output, generating service type framing control data and sending the service type framing control data to the framing control module 4;
the framing control module 4 is used for receiving the service type framing control data generated by the wave position control module 3, processing and generating framing arrangement control, time delay control, preamble control, unique word control, identification code control, head wave position control and burst counting control, and then outputting the framing control data.
The wave position information storage module 2 comprises an upper wave position information receiving module 2-1, a wave position information selecting module 2-2, an upper wave position information storage module 1-3, an upper wave position information storage module 2-4 and a default wave position information storage module 2-5;
the upper wave-filling level information receiving module 2-1 receives wave level control data sent by the data receiving and partitioning module 1, generates an upper wave-filling level selection signal and sends the upper wave-filling level selection signal to the wave level information selection module 2-2, and determines wave level control data according to the upper wave-filling level selection signal and sends the wave level control data to the upper wave-filling 1 wave level information storage module 2-3 or the upper wave level information storage module 2-4 for storage; the upper-annotation wave position selection signal comprises default wave position selection, upper-annotation 1 wave position selection and upper-annotation 2 wave position selection;
the wave position information selection module 2-2 receives an upper wave position selection signal, when the upper wave position selection signal is default wave position selection, the wave position information reading signal sent by the wave position control module 3 is sent to the default wave position information storage module 2-5, the default wave position information of the default wave position information storage module 2-5 is read and sent to the wave position control module 3, when the upper wave position selection signal is upper 1 wave position selection, the wave position information reading signal sent by the wave position control module 3 is sent to the upper 1 wave position information storage module 2-3, the wave position control data of the upper 1 wave position information storage module 2-3 is read and sent to the wave position control module 3, when the upper wave position selection signal is upper 2 wave position selection, the wave position information reading signal sent by the wave position control module 3 is sent to the upper 2 wave position information storage module 2-4, and reading the wave position control data of the upper note 2 wave position information storage module 2-4 and sending the wave position control data to the wave position control module 3.
The wave position control module 3 comprises a wave position information reading module 3-1, a wave position residence time identification module 3-2, a wave position number identification module 3-3, a wave position and service burst synchronous control module 3-4 and a phased array antenna control signal generation module 3-5;
the wave position information reading module 3-1 receives the wave position information updating prompt signal, generates a wave position information reading signal and sends the wave position information reading signal to the wave position information storage module 2, receives wave position information data sent by the wave position information storage module 2, generates wave position residence time information, wave position quantity information and wave position lower service type control information, sends the wave position residence time information to the wave position residence time identification module 3-2, sends the wave position quantity information to the wave position quantity identification module 3-3, and sends the wave position lower service type control information to the wave position and service burst synchronous control module 3-4; the wave position residence time identification module 3-2 receives the wave position residence time information, calculates the residence time of each wave position, and sends the wave position residence time to the wave position and service burst synchronous control module 3-4; the wave bit number identification module 3-3 receives the wave bit number information, calculates the wave bit cycle number in unit time, and sends the wave bit cycle number to the wave bit and service burst synchronous control module 3-4; the wave bit and service burst synchronous control module 3-4 receives the service type control information, the wave bit residence time and the wave bit cycle number under the wave bit, replans the wave bit change situation and the transmission service type situation in the unit time according to the three parameters, generates a wave bit parameter control signal and sends the wave bit parameter control signal to the phased array antenna control signal generation module 3-5, generates service type framing control data and sends the service type framing control data to the framing control module 4; the phased array antenna control signal generation module 3-5 receives the wave position parameter control signal, calculates according to the parameter, and generates phased array antenna control signal output of the wave position.
The framing control module 4 comprises a framing arrangement module 4-1, a time delay control module 4-2, a preamble generation module 4-3, a unique word generation module 4-4, an identification code module 4-5, a head wave bit identification module 4-6, a burst counting module 4-7 and a framing output selection module 4-8;
the framing configuration module 4-1 receives the service type framing control data sent by the wave position control module 3, performs framing configuration calculation according to the service type, generates a framing initial control signal and sends the framing initial control signal to the time delay control module 4-2; the time delay control module 4-2 receives the framing start control signal, analyzes the time delay control information, controls the framing start time according to the time delay control information, generates a preamble generation enable to be sent to the preamble generation module 4-3, generates a unique word generation enable to be sent to the unique word generation module 4-4, generates an identification code generation enable to be sent to the identification code module 4-5, and generates a head wave position enable to be sent to the head wave position identification module 4-6; the leading generation module 4-3 receives leading generation enable, generates leading data and sends the leading data to the framing output selection module 4-8; the unique word generation module 4-4 receives the unique word generation enable, generates unique word data and sends the unique word data to the framing output selection module 4-8; the identification code module 4-5 receives the identification code and generates the enabling, generates the identification code data and sends the identification code data to the framing output selection module 4-8; the head wave bit identification module 4-6 receives the head wave bit enable, judges the head wave bit, generates a burst counting initial signal and a burst counting signal and sends the burst counting initial signal and the burst counting signal to the burst counting module 4-7; the burst counting module 4-7 receives the burst counting start and the burst counting signal, if the burst counting start is, the burst counter is set to zero, if the burst counting start is the common burst counting signal, the burst counter is accumulated, and the burst counting value is sent to the framing output selection module 4-8 after bit spreading; the framing output selection module 4-8 receives the leading data, the unique word data, the identification code data and the burst count value, determines that two kinds of data can not come simultaneously according to a pre-control principle, selectively outputs the various data, and generates framing control data for output.
Compared with the background technology, the invention has the following advantages:
1. the invention uses the spot beam system to complete the access function, can reduce the function of equipment and save the energy of satellites.
2. The invention uses the communication system without spread spectrum, and can improve the access communication rate by at least more than 4 times than the original rate under the condition of ensuring the link margin.
3. The invention uses the spot beam system, reduces the possibility of frequency interference, enhances the anti-interference capability of the equipment, and simultaneously reduces the interference to other equipment.
4. The invention can flexibly and dynamically change the range of the beam scanning area and improve the communication efficiency of the system.
Drawings
FIG. 1 is an electrical schematic of an embodiment of the invention.
FIG. 2 is an electrical schematic diagram of an embodiment of a wave bit information storage module of the present invention.
FIG. 3 is an electrical schematic diagram of an embodiment of a wave position control module according to the present invention.
FIG. 4 is an electrical schematic diagram of an embodiment of a framing control module of the present invention.
Detailed Description
Referring to fig. 1, the wave position control device based on dynamic upper beam phased array of the present invention includes a data receiving and distinguishing module 1, a wave position information storage module 2, a wave position control module 3 and a framing control module 4;
the data receiving and distinguishing module 1 is used for receiving the control signal, distinguishing wave position control data through a frame type, sending the wave position control data to the wave position information storage module 2, generating a wave position information updating prompt signal and sending the wave position information updating prompt signal to the wave position control module 3;
the wave position information storage module 2 is used for receiving and storing wave position control data, receiving a wave position information reading signal of the wave position control module 3, reading out the stored wave position control data, generating wave position information data and sending the wave position information data to the wave position control module 3;
the wave position control module 3 is used for determining whether wave position information is updated according to the received wave position information updating prompt signal, sending a wave position information reading signal to the wave position information storage module 2, receiving wave position information data returned by the wave position information storage module 2, processing the wave position information data, generating a phased array antenna control signal to be output, generating service type framing control data and sending the service type framing control data to the framing control module 4;
the framing control module 4 is used for receiving the service type framing control data generated by the wave position control module 3, processing and generating framing arrangement control, time delay control, preamble control, unique word control, identification code control, head wave position control and burst counting control, and then outputting the framing control data.
Referring to fig. 2, the wave position information storage module 2 includes an upper-note wave position information receiving module 2-1, a wave position information selecting module 2-2, an upper-note 1 wave position information storage module 2-3, an upper-note 2 wave position information storage module 2-4 and a default wave position information storage module 2-5;
the upper wave-filling level information receiving module 2-1 receives wave level control data sent by the data receiving and partitioning module 1, generates an upper wave-filling level selection signal and sends the upper wave-filling level selection signal to the wave level information selection module 2-2, and determines wave level control data according to the upper wave-filling level selection signal and sends the wave level control data to the upper wave-filling 1 wave level information storage module 2-3 or the upper wave level information storage module 2-4 for storage; the upper-annotation wave position selection signal comprises default wave position selection, upper-annotation 1 wave position selection and upper-annotation 2 wave position selection;
the wave position information selection module 2-2 receives an upper wave position selection signal, when the upper wave position selection signal is default wave position selection, the wave position information reading signal sent by the wave position control module 3 is sent to the default wave position information storage module 2-5, the default wave position information of the default wave position information storage module 2-5 is read and sent to the wave position control module 3, when the upper wave position selection signal is upper 1 wave position selection, the wave position information reading signal sent by the wave position control module 3 is sent to the upper 1 wave position information storage module 2-3, the wave position control data of the upper 1 wave position information storage module 2-3 is read and sent to the wave position control module 3, when the upper wave position selection signal is upper 2 wave position selection, the wave position information reading signal sent by the wave position control module 3 is sent to the upper 2 wave position information storage module 2-4, and reading the wave position control data of the upper note 2 wave position information storage module 2-4 and sending the wave position control data to the wave position control module 3.
Referring to fig. 3, the wave position control module 3 includes a wave position information reading module 3-1, a wave position residence time identification module 3-2, a wave position number identification module 3-3, a wave position and service burst synchronization control module 3-4, and a phased array antenna control signal generation module 3-5;
the wave position information reading module 3-1 receives the wave position information updating prompt signal, generates a wave position information reading signal and sends the wave position information reading signal to the wave position information storage module 2, receives wave position information data sent by the wave position information storage module 2, generates wave position residence time information, wave position quantity information and wave position lower service type control information, sends the wave position residence time information to the wave position residence time identification module 3-2, sends the wave position quantity information to the wave position quantity identification module 3-3, and sends the wave position lower service type control information to the wave position and service burst synchronous control module 3-4; the wave position residence time identification module 3-2 receives the wave position residence time information, calculates the residence time of each wave position, and sends the wave position residence time to the wave position and service burst synchronous control module 3-4; the wave bit number identification module 3-3 receives the wave bit number information, calculates the wave bit cycle number in unit time, and sends the wave bit cycle number to the wave bit and service burst synchronous control module 3-4; the wave bit and service burst synchronous control module 3-4 receives the service type control information, the wave bit residence time and the wave bit cycle number under the wave bit, replans the wave bit change situation and the transmission service type situation in the unit time according to the three parameters, generates a wave bit parameter control signal and sends the wave bit parameter control signal to the phased array antenna control signal generation module 3-5, generates service type framing control data and sends the service type framing control data to the framing control module 4; the phased array antenna control signal generation module 3-5 receives the wave position parameter control signal, calculates according to the parameter, and generates phased array antenna control signal output of the wave position.
Referring to fig. 4, the framing control module 4 includes a framing configuration module 4-1, a delay control module 4-2, a preamble generation module 4-3, a unique word generation module 4-4, an identification code module 4-5, a head wave bit identification module 4-6, a burst counting module 4-7, and a framing output selection module 4-8;
the framing configuration module 4-1 receives the service type framing control data sent by the wave position control module 3, performs framing configuration calculation according to the service type, generates a framing initial control signal and sends the framing initial control signal to the time delay control module 4-2; the time delay control module 4-2 receives the framing start control signal, analyzes the time delay control information, controls the framing start time according to the time delay control information, generates a preamble generation enable to be sent to the preamble generation module 4-3, generates a unique word generation enable to be sent to the unique word generation module 4-4, generates an identification code generation enable to be sent to the identification code module 4-5, and generates a head wave position enable to be sent to the head wave position identification module 4-6; the leading generation module 4-3 receives leading generation enable, generates leading data and sends the leading data to the framing output selection module 4-8; the unique word generation module 4-4 receives the unique word generation enable, generates unique word data and sends the unique word data to the framing output selection module 4-8; the identification code module 4-5 receives the identification code and generates the enabling, generates the identification code data and sends the identification code data to the framing output selection module 4-8; the head wave bit identification module 4-6 receives the head wave bit enable, judges the head wave bit, generates a burst counting initial signal and a burst counting signal and sends the burst counting initial signal and the burst counting signal to the burst counting module 4-7; the burst counting module 4-7 receives the burst counting start and the burst counting signal, if the burst counting start is, the burst counter is set to zero, if the burst counting start is the common burst counting signal, the burst counter is accumulated, and the burst counting value is sent to the framing output selection module 4-8 after bit spreading; the framing output selection module 4-8 receives the leading data, the unique word data, the identification code data and the burst count value, determines that two kinds of data can not come at the same time according to a pre-control principle, selectively outputs the various data, and generates framing control data to be output.
The invention achieves the effect of covering the wide wave beam by using the system point wave beam hopping design, the transmitting system has small power and low power consumption, and simultaneously the number of the access users and the communication of the system are higher than those of the traditional access system. The dynamic upper-note phased array wave position control device can flexibly change the wave position hopping scanning area, has the on-orbit updating capability and the service communication capability, and can fuse the access service and the communication service for use. The method can reduce the transmitting power of the satellite, improve the communication rate, reduce the interference influence, improve the access capability of the satellite, and dynamically change the scanning range according to the user requirement.
Claims (4)
1. A phased array wave position control device based on dynamic upward injection comprises a data receiving and distinguishing module (1), and is characterized by further comprising a wave position information storage module (2), a wave position control module (3) and a framing control module (4);
the data receiving and distinguishing module (1) is used for receiving the control signal, distinguishing wave position control data through a frame type, sending the wave position control data to the wave position information storage module (2), generating a wave position information updating prompt signal and sending the wave position information updating prompt signal to the wave position control module (3);
the wave position information storage module (2) is used for receiving and storing wave position control data, receiving a wave position information reading signal of the wave position control module (3), reading out the stored wave position control data, generating wave position information data and sending the wave position information data to the wave position control module (3);
the wave bit control module (3) is used for determining whether wave bit information is updated according to the received wave bit information updating prompt signal, sending a wave bit information reading signal to the wave bit information storage module (2), receiving wave bit information data returned by the wave bit information storage module (2), processing the wave bit information data, generating a phased array antenna control signal to output, generating service type framing control data and sending the service type framing control data to the framing control module (4);
the framing control module (4) is used for receiving the service type framing control data generated by the wave bit control module (3), processing and generating framing arrangement control, time delay control, preamble control, unique word control, identification code control, head wave bit control and burst counting control, and then outputting the framing control data.
2. The phased array wave position control device based on dynamic upward injection according to claim 1 is characterized in that the wave position information storage module (2) comprises an upward injection wave position information receiving module (2-1), a wave position information selecting module (2-2), an upward injection 1 wave position information storage module (2-3), an upward injection 2 wave position information storage module (2-4) and a default wave position information storage module (2-5);
the upper wave-injection position information receiving module (2-1) receives wave position control data sent by the data receiving and partitioning module (1), generates an upper wave-injection position selection signal and sends the upper wave position selection signal to the wave position information selection module (2-2), and determines wave position control data according to the upper wave-injection position selection signal and sends the wave position control data to the upper wave position information storage module (2-3) or the upper wave position information storage module (2-4) for storage; the upper-annotation wave position selection signal comprises default wave position selection, upper-annotation 1 wave position selection and upper-annotation 2 wave position selection;
the wave position information selection module (2-2) receives an upper wave position selection signal, when the upper wave position selection signal is default wave position selection, a wave position information reading signal sent by the wave position control module (3) is sent to the default wave position information storage module (2-5), default wave position information of the default wave position information storage module (2-5) is read and sent to the wave position control module (3), when the upper wave position selection signal is upper wave position selection 1, the wave position information reading signal sent by the wave position control module (3) is sent to the upper wave position information storage module (2-3), wave position control data of the upper wave position information storage module (2-3) is read and sent to the wave position control module (3), when the upper wave position selection signal is upper wave position selection 2, the wave position information reading signal sent by the wave position control module (3) is sent to the upper wave position 2 information storage module (2-4), and reads the wave position control data of the upper note 2 wave position information storage module (2-4) and sends the wave position control data to the wave position control module (3).
3. The phased array wave position control device based on dynamic upward injection according to claim 1 is characterized in that the wave position control module (3) comprises a wave position information reading module (3-1), a wave position residence time identification module (3-2), a wave position number identification module (3-3), a wave position and service burst synchronous control module (3-4) and a phased array antenna control signal generation module (3-5);
the wave position information reading module (3-1) receives a wave position information updating prompt signal, generates a wave position information reading signal and sends the wave position information reading signal to the wave position information storage module (2), receives wave position information data sent by the wave position information storage module (2), generates wave position residence time information, wave position quantity information and wave position lower service type control information, sends the wave position residence time information to the wave position residence time identification module (3-2), sends the wave position quantity information to the wave position quantity identification module (3-3), and sends the wave position lower service type control information to the wave position and service burst synchronous control module (3-4); the wave position residence time identification module (3-2) receives the wave position residence time information, calculates the residence time of each wave position, and sends the wave position residence time to the wave position and service burst synchronous control module (3-4); the wave bit number identification module (3-3) receives the wave bit number information, calculates the wave bit cycle number in unit time, and sends the wave bit cycle number to the wave bit and service burst synchronous control module (3-4); the wave bit and service burst synchronous control module (3-4) receives service type control information, wave bit residence time and wave bit cycle number under the wave bit, replans the wave bit change situation and the transmission service type situation in unit time according to the three parameters, generates a wave bit parameter control signal and sends the wave bit parameter control signal to the phased array antenna control signal generation module (3-5), generates service type framing control data and sends the service type framing control data to the framing control module (4); the phased array antenna control signal generation module (3-5) receives the wave position parameter control signal, calculates according to the parameter, and generates a phased array antenna control signal output of the wave position.
4. The phased array wave position control device based on dynamic upward injection according to claim 1, characterized in that the framing control module (4) comprises a framing arrangement module (4-1), a time delay control module (4-2), a preamble generation module (4-3), a unique word generation module (4-4), an identification code module (4-5), a head wave position identification module (4-6), a burst counting module (4-7) and a framing output selection module (4-8);
the framing configuration module (4-1) receives the service type framing control data sent by the wave position control module (3), performs framing configuration calculation according to the service type, generates a framing starting control signal and sends the framing starting control signal to the time delay control module (4-2); the time delay control module (4-2) receives the framing start control signal, analyzes time delay control information, controls the framing start time according to the time delay control information, generates preamble generation enable to be sent to the preamble generation module (4-3), generates unique word generation enable to be sent to the unique word generation module (4-4), generates identification code generation enable to be sent to the identification code module (4-5), and generates head wave position enable to be sent to the head wave position identification module (4-6); the leading generation module (4-3) receives leading generation enable, generates leading data and sends the leading data to the framing output selection module (4-8); the unique word generation module (4-4) receives the unique word generation enable, generates unique word data and sends the unique word data to the framing output selection module (4-8); the identification code module (4-5) receives the identification code and generates the enabling, generates the identification code data and sends the identification code data to the framing output selection module (4-8); the head wave bit identification module (4-6) receives the head wave bit enable, judges the head wave bit, generates a burst counting initial signal and a burst counting signal and sends the burst counting initial signal and the burst counting signal to the burst counting module (4-7); the burst counting module (4-7) receives the burst counting initial and the burst counting signals, if the burst counting initial and the burst counting signals are the burst counting initial, the burst counter is set to zero, if the burst counting initial and the burst counting signals are the common burst counting signals, the burst counter is accumulated, and the burst counting value is sent to the framing output selection module (4-8) after being spread according to the bit; the framing output selection module (4-8) receives the leading data, the unique word data, the identification code data and the burst count value, determines that two kinds of data can not come simultaneously according to a pre-control principle, selectively outputs the various data, and generates framing control data to be output.
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| CN115833901A (en) * | 2022-10-21 | 2023-03-21 | 西安空间无线电技术研究所 | High-precision agile beam control method and system |
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| CN113746530B (en) | 2022-08-02 |
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