CN106301511B - Satellite-borne data transmission antenna is to ground force transfer system and its control method - Google Patents
Satellite-borne data transmission antenna is to ground force transfer system and its control method Download PDFInfo
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- CN106301511B CN106301511B CN201610667016.7A CN201610667016A CN106301511B CN 106301511 B CN106301511 B CN 106301511B CN 201610667016 A CN201610667016 A CN 201610667016A CN 106301511 B CN106301511 B CN 106301511B
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- antenna
- satellite
- postposition
- angle
- earth station
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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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0602—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching
- H04B7/0604—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using antenna switching with predefined switching scheme
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radio Relay Systems (AREA)
Abstract
The present invention provides a kind of satellite-borne data transmission antennas to ground force transfer system and its control method, includes the following steps: the prepositioned instruction sent according to satellite, adjusts the angle of two antennas；When satellite is consistent with the angle of forward antenna with the angle of a certain earth station, satellite sends trace command to forward antenna, realizes the real-time tracking to the earth station；When satellite is consistent with the angle of postposition antenna with the angle of next earth station, satellite sends halt instruction to forward antenna and sends trace command to postposition antenna, and forward antenna stops tracking, and postposition antenna realizes the real-time tracking to next earth station；When the angle of satellite and next earth station is more than given threshold, halt instruction is sent to postposition antenna, then forward antenna, postposition antenna are in halted state, wait the prepositioned instruction of satellite.The present invention can increase data transmission period between star ground, so that satellite mass data be made to be transferred to ground in time.
Description
Technical field
The present invention relates to the in-orbit valid data of satellite to ground transmission technique field, and in particular, to a kind of satellite-borne data transmission
Antenna is to ground force transfer system and its control method.
Background technique
When the data that satellite obtains transmit ground, needs the number of satellite to pass antenna and be directed toward earth station location, due to
Earth station limits the visible segmental arc of satellite, and the transmission time that satellite carries out transmission data to single earth station is limited.In chain
Under conditions of circuit-switched data rate is certain, it is unable to satisfy the demand that satellite load data are largely transmitted.
With the development of satellite load technology and the continuous improvement of data transfer demands, satellite mostly uses the biggish machine of gain
Tool scans spot beam anternma and increases the equivalent theaomni-directional transmission power (EIRP) of satellite.Satellite spot-beam two-dimentional machinery scans number and passes antenna
It needs to be directed toward earth station in the course of work in real time, needs to carry out the preset direction of aerial angle during job initiation, to ensure
Has the transmission satellite-ground link condition for carrying out valid data at the time of specified.
In order to which the data for obtaining satellite load are transferred to earth station, need to efficiently use the scanned each earth station of satellite
Transmission segmental arc resource, reduce satellite system be used for preparation time, the time of preset direction, signal are rotated including antenna
The time switched between two antennas.
When the present invention proposes that spaceborne spot beam two-dimentional machinery scanning number biography antenna transmits signal over the ground, antenna two-dimensional rotary is real
Now to the method for earth station location tracking, the present invention solves satellite data transmission antenna to the visible arc-segment time of ground Station Transmission Link
Less problem can efficiently use the limited segmental arc resource of ground satellite station using the satellite-borne data transmission antenna force transfer method,
The time that satellite system is used for preparation is reduced, so that satellite mass efficient load data be made to be transferred to ground in time.
Currently without the explanation or report for finding technology similar to the present invention, it is also not yet collected into money similar both at home and abroad
Material.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of satellite-borne data transmission antennas to ground force transfer
System and its control method.
Control method of the satellite-borne data transmission antenna provided according to the present invention to ground force transfer system, the satellite-borne data transmission
For antenna to ground force transfer system, two including being arranged on satellite independent numbers pass antenna, i.e. forward antenna and postposition
Antenna；The forward antenna and postposition antenna can receive the instruction of satellite transmission, realize in halted state, presetting angle shape
Switching between state and tracking mode；
The forward antenna and postposition antenna replace according to satellite command tracks adjacent earth station, to corresponding earth station
Transmitted data signal；
The satellite-borne data transmission antenna includes the following steps: the control method of ground force transfer system
Aerial angle initialization step: the prepositioned instruction sent according to satellite adjusts separately forward antenna and postposition antenna
Angle；
Forward antenna tracking step: when satellite is consistent with the angle of forward antenna with the angle of a certain earth station, satellite
Trace command is sent to forward antenna, the real-time tracking to the earth station is realized, i.e., number is emitted to the earth station by forward antenna
It is believed that number；
Postposition antenna tracking step: when satellite is consistent with the angle of postposition antenna with the angle of next earth station, satellite
Halt instruction is sent to forward antenna and sends trace command to postposition antenna, forward antenna stops tracking, and postposition antenna is realized
To the real-time tracking of next earth station, i.e., by postposition antenna to next earth station's transmitted data signal；
It instructs waiting step: when the angle of satellite and next earth station is more than given threshold, stopping to the transmission of postposition antenna
It only instructs, then forward antenna, postposition antenna are in halted state, wait the prepositioned instruction of satellite.
Preferably, the prepositioned instruction includes: preset target position angle, corresponding start-up operation moment；Specifically, In
Forward antenna is completed in the defined time and the angle of postposition antenna is preset.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, satellite-borne data transmission antenna provided by the invention includes two antennas to ground force transfer system, is realized to two ground
It is less to the visible arc-segment time of ground Station Transmission Link to solve satellite data transmission antenna for the relay tracking of face station location two-dimensional rotary
The problem of, increase data transmission period between star ground, so that satellite mass data be made to be transferred to ground in time.
2, satellite-borne data transmission antenna provided by the invention is to the control method of ground force transfer system, with efficiently using satellite
The limited segmental arc resource in face station reduces the time that satellite system is used for preparation；It is i.e. preset simultaneously using two antennas, relatively distinguish
It carries out preset saving the time；Presetting angle be respectively start to work the moment antenna pointing angle, may be implemented close to it is no when
Between the force transfer that is spaced.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is control method schematic diagram of the satellite-borne data transmission antenna provided by the invention to ground force transfer system；
Fig. 2 is operation principle schematic diagram of the satellite-borne data transmission antenna provided by the invention to ground force transfer system.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
The satellite-borne data transmission antenna provided according to the present invention is to ground force transfer system, including two be arranged on satellite
Independent number passes antenna, i.e. forward antenna and postposition antenna；The forward antenna and postposition antenna can receive satellite transmission
Instruction, realize switching between halted state, presetting angle state and tracking mode.
The forward antenna and postposition antenna replace according to satellite command tracks adjacent earth station, to corresponding earth station
Transmitted data signal.
Control method of the satellite-borne data transmission antenna provided by the invention to ground force transfer system, the satellite-borne data transmission antenna
To ground force transfer system, two including being arranged on satellite independent numbers pass antenna, i.e. forward antenna and postposition antenna；
The forward antenna and postposition antenna can receive satellite transmission instruction, realize halted state, presetting angle state with
And the switching between tracking mode.
The forward antenna and postposition antenna replace according to satellite command tracks adjacent earth station, to corresponding earth station
Transmitted data signal；
As shown in Figure 1, the satellite-borne data transmission antenna includes the following steps: the control method of ground force transfer system
Aerial angle initialization step: the prepositioned instruction sent according to satellite adjusts separately forward antenna and postposition antenna
Angle；Wherein, the prepositioned instruction includes: preset target position angle, corresponding start-up operation moment；Specifically, it is providing
Time in complete forward antenna and postposition antenna angle it is preset.
Forward antenna tracking step: when satellite is consistent with the angle of forward antenna with the angle of a certain earth station, satellite
Trace command is sent to forward antenna, the real-time tracking to the earth station is realized, i.e., number is emitted to the earth station by forward antenna
It is believed that number；
Postposition antenna tracking step: when satellite is consistent with the angle of postposition antenna with the angle of next earth station, satellite
Halt instruction is sent to forward antenna and sends trace command to postposition antenna, forward antenna stops tracking, and postposition antenna is realized
To the real-time tracking of next earth station, i.e., by postposition antenna to next earth station's transmitted data signal；
It instructs waiting step: when the angle of satellite and next earth station is more than given threshold, stopping to the transmission of postposition antenna
It only instructs, then forward antenna, postposition antenna are in halted state, wait the prepositioned instruction of satellite.
Specifically, as shown in Fig. 2, defining two-dimentional machinery scans spot beam anternma A (aft antenna), two-dimentional machinery scanning element wave
Beam antenna B (preceding antenna), grounded receiving station 1 (next stop), grounded receiving station 2 (rear station).The course of work includes: step 1, and antenna is quiet
Only；Step 2, preset；Step 3, A antenna tracking transmits；Step 4, A antenna switches to B antenna；Step 5, B antenna tracking transmits；
Step 6, stop.
Step 1: antenna A, antenna B remain static, and are the halted state of preceding one action process, satellite is not right at this time
Antenna A, antenna B send instruction, therefore the state is that satellite-borne data transmission antenna is awaited orders working condition.
Step 2: the preset condition of setting antenna A, antenna B, number pass antenna and open, then antenna A, antenna B are received pre- simultaneously
Instruction is set, the prepositioned instruction includes: preset target position angle, corresponding start-up operation moment, according to preset target angle
The constraints such as position, antenna current angle position difference and preset angular speed, antenna A, antenna B complete angle at the appointed time
It is preset.Specifically, reference satellite heading, aft antenna (A antenna) carry out being directed toward pre- finger, preceding antenna (B to earth station is first passed through
Antenna) refer in advance to after by earth station's progress angle.
Step 3: so that A antenna is in tracking transmission state, satellite is in orbit during this subtask, when satellite and ground
When 1 angle of face station is consistent with A antenna presetting angle, A antenna receives the trace command that satellite is sent, and realizes (preceding to earth station 1
Stand) real-time tracking, while carrying out the transmitting of data-signal.
Step 4: satellite is in orbit during this subtask, when satellite and 2 angle of earth station and B antenna presetting angle one
When cause, A antenna receives the halt instruction that satellite is sent, that is, stops being simultaneously stopped data to the real-time tracking in earth station 1 (next stop)
The transmitting of signal；B antenna receives the trace command that satellite is sent, and realizes the real-time tracking to earth station 2 (rear station)；Meanwhile it defending
Star send data signal path switching to B antenna, and B antenna starts to carry out the transmitting of data-signal.
Step 5: so that B antenna tracking transmission state, satellite, which has, carries out data transmission segmental arc item with earth station 2 (rear station)
Part, B antenna switchs to dynamic from the direction stationary state of presetting angle and is directed toward tracking mode, while carrying out the transmitting of data-signal；
At this point, earth station 2 (next stop) receives data-signal；
Step 6: when satellite flies away from earth station 2 (rear station), B antenna stop being directed toward the dynamic of earth station 2 (rear station) with
Track is simultaneously stopped the transmitting of data-signal；A, B antenna stops working, and number passes antenna and is in off-position, waits next number
It is believed that the beginning of number transformation task.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (2)
1. a kind of satellite-borne data transmission antenna is to the control method of ground force transfer system, which is characterized in that the satellite-borne data transmission day
Line is to ground force transfer system, comprising:
The independent number of two be arranged on satellite passes antenna, i.e. forward antenna and postposition antenna；The forward antenna and postposition
Antenna can receive the instruction of satellite transmission, realize cutting between halted state, presetting angle state and tracking mode
It changes；
The forward antenna and postposition antenna replace according to satellite command tracks adjacent earth station, emits to corresponding earth station
Data-signal；
The satellite-borne data transmission antenna includes the following steps: the control method of ground force transfer system
Aerial angle initialization step: the prepositioned instruction sent according to satellite adjusts separately the angle of forward antenna and postposition antenna；
Forward antenna tracking step: when satellite is consistent with the angle of forward antenna with the angle of a certain earth station, satellite is to preceding
It sets antenna and sends trace command, realize the real-time tracking to the earth station, i.e., by forward antenna to earth station transmitting data letter
Number；
Postposition antenna tracking step: when satellite is consistent with the angle of postposition antenna with the angle of next earth station, satellite is to preceding
It sets antenna to send halt instruction and send trace command to postposition antenna, forward antenna stops tracking, and postposition antenna is realized to this
The real-time tracking of next earth station, i.e., by postposition antenna to next earth station's transmitted data signal；
It instructs waiting step: when the angle of satellite and next earth station is more than given threshold, being sent to postposition antenna and stop referring to
It enables, then forward antenna, postposition antenna are in halted state, wait the prepositioned instruction of satellite.
2. satellite-borne data transmission antenna according to claim 1 is to the control method of ground force transfer system, which is characterized in that
The prepositioned instruction includes: preset target position angle, corresponding start-up operation moment；Specifically, complete before the deadline
Angle at forward antenna and postposition antenna is preset.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667016.7A CN106301511B (en) | 2016-08-12 | 2016-08-12 | Satellite-borne data transmission antenna is to ground force transfer system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667016.7A CN106301511B (en) | 2016-08-12 | 2016-08-12 | Satellite-borne data transmission antenna is to ground force transfer system and its control method |
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| Publication Number | Publication Date |
|---|---|
| CN106301511A CN106301511A (en) | 2017-01-04 |
| CN106301511B true CN106301511B (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610667016.7A Active CN106301511B (en) | 2016-08-12 | 2016-08-12 | Satellite-borne data transmission antenna is to ground force transfer system and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115173929B (en) * | 2022-07-21 | 2024-06-21 | 上海卫星工程研究所 | Satellite-ground high-speed data dual-station relay transmission test method and system |
Citations (5)
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|---|---|---|---|---|
| US6128469A (en) * | 1998-03-21 | 2000-10-03 | Aeroastro, Inc. | Satellite communication system with a sweeping high-gain antenna |
| CN101312373A (en) * | 2007-05-21 | 2008-11-26 | 联发科技股份有限公司 | Antenna switching system and related method |
| CN102594417A (en) * | 2012-02-07 | 2012-07-18 | 广西师范大学 | Switchable polarized satellite communication system and polarized switching communication method thereof |
| CN103354979A (en) * | 2011-02-09 | 2013-10-16 | 高通股份有限公司 | High data rate aircraft to ground communication antenna system |
| CN105445730A (en) * | 2015-11-27 | 2016-03-30 | 南京信息工程大学 | Ocean current field inversion satellite-borne SAR system based on angle diversity, and method thereof |
-
2016
- 2016-08-12 CN CN201610667016.7A patent/CN106301511B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6128469A (en) * | 1998-03-21 | 2000-10-03 | Aeroastro, Inc. | Satellite communication system with a sweeping high-gain antenna |
| CN101312373A (en) * | 2007-05-21 | 2008-11-26 | 联发科技股份有限公司 | Antenna switching system and related method |
| CN103354979A (en) * | 2011-02-09 | 2013-10-16 | 高通股份有限公司 | High data rate aircraft to ground communication antenna system |
| CN102594417A (en) * | 2012-02-07 | 2012-07-18 | 广西师范大学 | Switchable polarized satellite communication system and polarized switching communication method thereof |
| CN105445730A (en) * | 2015-11-27 | 2016-03-30 | 南京信息工程大学 | Ocean current field inversion satellite-borne SAR system based on angle diversity, and method thereof |
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| CN106301511A (en) | 2017-01-04 |
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