CN110011725A - Repeater satellite tracking and device - Google Patents
Repeater satellite tracking and device Download PDFInfo
- Publication number
- CN110011725A CN110011725A CN201910379044.2A CN201910379044A CN110011725A CN 110011725 A CN110011725 A CN 110011725A CN 201910379044 A CN201910379044 A CN 201910379044A CN 110011725 A CN110011725 A CN 110011725A
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- target terminal
- repeater satellite
- antenna
- link
- ssa
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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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- 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 repeater satellite tracking and devices, are related to the technical field of Tianhuangping pumped storage plant, including the SSA link between foundation and target terminal；Receive the current location that target terminal is returned by SSA link；Antenna corrected parameter is generated according to current location and the predetermined position of target terminal；Antenna corrected parameter is sent to repeater satellite, so that repeater satellite, which carries out antenna, is directed toward amendment.The present invention can obtain the physical location of target terminal by establishing SSA link, according to the deviation of physical location and predetermined position, so that antenna is eventually pointed to the physical location of target terminal, solves the problems, such as that antenna is directed toward inaccuracy, to realize the stabilization high-speed transfer of signal.
Description
Technical field
The present invention relates to Space-Based TT & C Technology fields, more particularly, to a kind of repeater satellite tracking and device.
Background technique
Repeater satellite is one kind of telecommunication satellite, is mainly used for data transmission, its main feature is that volume of transmitted data is big.Relaying
Satellite can provide data relaying and observing and controlling service for spacecrafts such as satellite, airships, and all kinds of satellite utilization benefits are greatly improved and answer
Anxious ability.Existing tracking is well positioned to meet the track demand of spacecraft target, but then to all kinds of non-spacecraft targets
It is even unavailable that there are risks, for example, especially true to boat-carrying target, the running track and posture of boat-carrying target all have at random
Property, it is often detached from desired trajectory, influence signal stablizes transmission.
Summary of the invention
In view of this, boat-carrying mesh can be met the purpose of the present invention is to provide a kind of repeater satellite tracking and device
The running tracks such as mark and posture all have the communication requirement of randomness target, and guarantee signal stablizes transmission.
In a first aspect, the embodiment of the invention provides a kind of repeater satellite trackings, comprising: establish between target terminal
S frequency range single access link (S-band Single Address, SSA)；Reception target terminal is returned current by SSA link
Position；Antenna corrected parameter is generated according to current location and the predetermined position of target terminal；During antenna corrected parameter is sent to
After satellite, so that repeater satellite, which carries out antenna, is directed toward amendment.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein builds
The step of vertical SSA link between target terminal, comprising: to SSA link setup signal before being sent to target terminal；Receive target terminal
According to the preceding networking application fed back to link setup signal；Identification is carried out to target terminal according to application is networked, and according to identity
Recognition result establishes SSA link.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein builds
Before the step of vertical SSA link between target terminal, further includes: generate control parameter according to the predetermined position of target terminal；
Control parameter is sent to repeater satellite, so that the antenna of repeater satellite is directed toward the predetermined position of target terminal.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein root
The step of generating antenna corrected parameter according to current location and the predetermined position of target terminal, comprising: calculate current location and target
Difference between the predetermined position of terminal；If difference is greater than preset threshold, antenna corrected parameter is generated according to difference.
With reference to first aspect or its any possible embodiment, the embodiment of the invention provides the 4th of first aspect the
The possible embodiment of kind, wherein antenna corrected parameter is sent to repeater satellite, so that repeater satellite carries out antenna direction and repairs
After positive step, further includes: control repeater satellite establishes the Ka link between target terminal.
Second aspect, the embodiment of the present invention also provide a kind of repeater satellite tracking device, comprising: SSA link module is used for
Establish the SSA link between target terminal；Position module, for receive receive target terminal returned by SSA link it is current
Position；Parameter module, for generating antenna corrected parameter according to the predetermined position of current location and target terminal；Correction module,
For antenna corrected parameter to be sent to repeater satellite, so that repeater satellite, which carries out antenna, is directed toward amendment.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein
SSA link module, is also used to: to SSA link setup signal before sending to target terminal；Target terminal is received before to link setup signal
The networking application of feedback；Identification is carried out to target terminal according to application is networked, and SSA chain is established according to identification result
Road.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein
SSA link module, is also used to: generating control parameter according to the predetermined position of target terminal；Control parameter is sent to relaying to defend
Star, so that the antenna of repeater satellite is directed toward the predetermined position of target terminal.
In conjunction with second aspect, the embodiment of the invention provides the third possible embodiments of second aspect, wherein ginseng
Digital-to-analogue block, is also used to: calculating the difference between current location and the predetermined position of target terminal；If difference is greater than default threshold
Value generates antenna corrected parameter according to difference.
In conjunction with second aspect or its any possible embodiment, the embodiment of the invention provides the 4th of second aspect the
The possible embodiment of kind, which further includes Ka link module, is used for: control repeater satellite is established between target terminal
Ka link.
The embodiment of the present invention brings following the utility model has the advantages that the embodiment of the invention provides a kind of repeater satellite trackings
And device can use the big feature of repeater satellite S frequency range coverage area, connect by the SSA link between foundation and target terminal
The target terminal current location that target terminal is returned by SSA link is received, repairing between current location and predetermined position is calculated
Positive parameter controls repeater satellite by corrected parameter and carries out antenna direction amendment.The embodiment of the present invention can be by establishing SSA chain
The physical location that road obtains target terminal makes antenna eventually point to target terminal according to the deviation of physical location and predetermined position
Physical location, solve the problems, such as antenna be directed toward inaccuracy, to realize the stabilization high-speed transfer of signal.
Other feature and advantage of the disclosure will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the disclosure above-mentioned technology it can be learnt that.
To enable the above objects, features, and advantages of the disclosure to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is repeater satellite tracking flow chart provided in an embodiment of the present invention；
Fig. 2 is repeater satellite tracking implementation process diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of structural block diagram of repeater satellite tracking device provided in an embodiment of the present invention；
Fig. 4 is another structural block diagram of repeater satellite tracking device provided in an embodiment of the present invention.
Icon:
31-SSA link module；32- position module；33- parameter module；34- correction module；35-Ka link module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, the mode of antenna tracking target mainly has program tracking and two kinds of autotracking between repeater satellite star.In program
Under tracing mode, the theoretical running track of target user is previously implanted into onto repeater satellite, repeater satellite star when task execution
Between antenna according to injection trace information implement adjustment frame corners；Under autotracking mode, ownership goal emits to repeater satellite
The number of back Ka frequency range passes or beacon signal, and antenna servo system is adjusted automatically according to signal and poor level is received between repeater satellite star
Whole frame corners.Antenna tracking mode between both stars, the former require ownership goal running track it is known that and orbit prediction precision
It is sufficiently high, Time effect forecast is timely enough, and the latter then require ownership goal terminal transmission number pass or beacon signal power foot
It is enough high and stable.Both modes can also be used in conjunction with each other in actual task, and program tracking at this time is frequently as the first of autotracking
Begin guidance and backup means.
Although program tracking and autotracking can meet the track demand of spacecraft target well, to all kinds of non-space flight
Device target then exist risk even it is unavailable, it is especially true to boat-carrying target.Firstly, the running track of boat-carrying target has at random
Property, it is often detached from preset flight path, therefore, it is difficult to use program to track.Secondly as the environment such as maritime environment ocean current, meteorology because
The posture of the complexity of element, boat-carrying target has randomness, may result in link terminal antenna alignment after in satellite path
It blocks, is influenced seriously along with Ka link is declined by rain, antenna cannot be guaranteed to receive the steady of boat-carrying objective emission between repeater satellite star
The number for determining power passes or beacon signal, therefore is also difficult with autotracking mode.
Based on this, a kind of repeater satellite tracking and device provided in an embodiment of the present invention can be directed to boat-carrying target
Track can be according to the real-time alteration problems of task situation, big, the Ka band transmissions rate using relay satellite system S frequency range coverage area
High advantage realizes that repeater satellite supports boat-carrying target new model.The embodiment of the present invention is proposed is drawn based on real-time position information
Antenna pointing control strategy between the repeater satellite Ka star led is solved using the antenna tracking mode by " S frequency range guides Ka frequency range "
Ship platform preset flight path and actual flight path have antenna caused by deviation to be directed toward tracking problem, greatly improve the flexible of ship platform
Property.
For convenient for understanding the present embodiment, first to a kind of repeater satellite track side disclosed in the embodiment of the present invention
Method describes in detail.
Embodiment 1
The embodiment of the present invention 1 provides a kind of repeater satellite tracking, repeater satellite tracking shown in Figure 1
Flow chart, method includes the following steps:
Step S102 establishes the SSA link between target terminal.
Before task starts, progress repeater satellite state setting first, including preceding back SSA transponder centre frequency, star
Ground frequency, gain shelves, the repeater operation frequency of preceding back Ka frequency range single access link (Ka-band Single Address, KSA)
Rate, star frequency, gain shelves setting.It is underway to carry out earth station's number while satellitosis setting and pass task configuration,
Preceding back SSA link only uses the channel of system, without using the terminal device of earth station, therefore need to only configure IF switch matrix
And radio frequency link；Low speed data transmission terminal in forward direction KSA link use, back KSA link use high-speed digital transmission terminal, can configure
For the rate shelves (forward data rate 10Mbps, back data rate 150Mbps) of default.
Target terminal can be ship platform.The SSA chain between target terminal is established according to the predetermined position of target terminal
Road.Predetermined position can be obtained from preset flight path file, and preset flight path file is the fortune of the predetermined target terminal of user
Row trajectory planning information.Preset flight path file is stored in advance in the storage equipment of relay satellite system earth station.SSA link makes
It is communicated with S frequency range, has the advantages that coverage area is big.
Step S104 receives the current location that target terminal is returned by SSA link.
After SSA link establishment, target terminal can be in real time automatically by the present bit of SSA link passback target terminal
It sets.
Step S106 generates antenna corrected parameter according to current location and the predetermined position of target terminal.
Since the physical location in predetermined position and target terminal in desired trajectory is there may be difference, passing through
After SSA link has received the current location of target terminal, corrected parameter is generated according to the difference in itself and predetermined position.
Antenna corrected parameter is sent to repeater satellite by step S108, so that repeater satellite, which carries out antenna, is directed toward amendment.
Corrected parameter includes revision directive and control script.After repeater satellite receives corrected parameter, according to corrected parameter
It carries out antenna and is directed toward amendment, so that antenna is directed toward the current location of target terminal, to guarantee signal between satellite and target terminal
Stablize transmission.
The embodiment of the invention provides a kind of repeater satellite tracking, by the SSA link between foundation and target terminal,
It can use the big feature of repeater satellite S frequency range coverage area, receive the target terminal that target terminal is returned by SSA link
Current location calculates the corrected parameter between current location and predetermined position, controls repeater satellite by corrected parameter and carries out day
Line is directed toward amendment.The embodiment of the present invention can obtain the physical location of target terminal by establishing SSA link, according to physical location
And the deviation in predetermined position makes antenna eventually point to the physical location of target terminal, solves the problems, such as that antenna is directed toward inaccuracy,
To realize the stabilization high-speed transfer of signal.
In order to guarantee that target terminal can stablize passback current location, the step of SSA link between establishing target terminal,
Include:
(1) to SSA link setup signal before being sent to target terminal.
Repeater satellite tracking implementation process diagram shown in Figure 2, the earth station of relay satellite system is to mesh
It marks to SSA link setup signal before terminal is sent, target terminal is equipped with SSA signal receiver, for receiving SSA link setup signal.
(2) the networking application that target terminal is fed back before to link setup signal is received.
Target terminal carries out semaphore lock after receiving SSA link setup signal, and sends back from trend relay satellite system and build
Chain signal, back link setup signal include the application that networks.The ground station reception of relay satellite system, which networks, to be applied.
(3) identification is carried out to target terminal according to application is networked, and SSA link is established according to identification result.
Judge whether target terminal is legitimate user according to the application that networks, identification result is that user is legal or user is non-
Method establishes the SSA link between target terminal if identification result is that user is legal.Relaying shown in Figure 2
Satellite tracking method implementation process diagram, relay satellite system can receive the position GPS that target terminal is sent by SSA link
Confidence and rate shelves information and link-state information.
Before the step of promoting the quick foundation of SSA link, establishing the SSA link between target terminal, further includes:
Control parameter is generated according to the predetermined position of target terminal；Control parameter is sent to repeater satellite, so that the day of repeater satellite
The predetermined position of line direction target terminal.
According to the predetermined position caught with start time target terminal, big loop control parameters are calculated with carrying out star, in star
After the completion of big loop control parameters calculate, big circuit controls script with enabling star, and antenna is directed toward to the pre-determined bit of certain type ship platform
It sets.Control parameter includes antenna-steering instructions, including pitch angle, azimuthal step-by-step impulse data and pulse spacing, orientation and
Pitch orientation each cycle umber of pulse.Control to star script operation can using OBC star control mode, need to refer to day line traffic control
Enable injecting controller.After in star controlling script end of run, interspace antenna movement to the predetermined position for being directed toward target terminal.
In order to guarantee the accurate direction of antenna Ka wave beam between star, need to carry out the process for generating antenna corrected parameter excellent
Change, therefore, the step of antenna corrected parameter is generated according to current location and the predetermined position of target terminal, comprising: calculate current
Difference between position and the predetermined position of target terminal；If difference is greater than preset threshold, antenna amendment is generated according to difference
Parameter.
Preset threshold can be Ka half-power beam width.Difference between current location and the predetermined position of target terminal
Greater than Ka half-power beam width, then antenna corrected parameter is generated according to difference.Antenna corrected parameter includes antenna revision directive,
Relay satellite system controls the movement of antenna according to antenna revision directive, to guarantee the standard of Ka wave beam between satellite and target terminal
Really it is directed toward.
It is returned to guarantee that boat-carrying echo signal can be realized high speed, antenna corrected parameter is sent to repeater satellite, with
After so that repeater satellite is carried out the step of antenna is directed toward amendment, further includes: control repeater satellite is established between target terminal
Ka link.
Repeater satellite tracking implementation process diagram shown in Figure 2 connects after the link setup for completing S link
Receive link-state information, be ready for the foundation of Ka high-speed link, same day line traffic control in place after, carry out Ka band link and build
It is vertical.After Ka link establishment, target terminal is communicated with relay satellite system by KSA signal, and Ka frequency range has transmission
The high advantage of rate, it is ensured that the high-speed transfer of signal.
The embodiment of the invention provides the Closed loop track methods that antenna SSA between a kind of repeater satellite star guides KSA, in utilization
The advantage big after satellite system S frequency range coverage area, Ka band transmissions rate is high, solves boat-carrying target and navigates during task
The problem of mark can change in real time greatly improves the flexibility of ship platform.
Embodiment 2
The embodiment of the present invention 1 provides a kind of repeater satellite tracking device, repeater satellite tracking device shown in Figure 3
A kind of structural block diagram, which includes:
SSA link module 31, for the SSA link between foundation and target terminal；Position module 32, for receiving mesh
The current location that mark terminal is returned by SSA link；Parameter module 33, for the pre-determined bit according to current location and target terminal
It sets and generates antenna corrected parameter；Correction module 34, for antenna corrected parameter to be sent to repeater satellite so that repeater satellite into
Row antenna is directed toward amendment.
SSA link module, is also used to: to SSA link setup signal before sending to target terminal；Receive target terminal according to it is preceding to
The networking application of link setup signal feedback；Identification is carried out to target terminal according to application is networked, and according to identification result
Establish SSA link.
SSA link module, is also used to: generating control parameter according to the predetermined position of target terminal；Control parameter is sent
To repeater satellite, so that the antenna of repeater satellite is directed toward the predetermined position of target terminal.
Parameter module is also used to: calculating the difference between current location and the predetermined position of target terminal；If difference is big
In preset threshold, antenna corrected parameter is generated according to difference.
Another structural block diagram of repeater satellite tracking device shown in Figure 4, the device further include Ka link module
35, be used for: control repeater satellite establishes the Ka link between target terminal.
The technical effect of repeater satellite tracking device provided by the embodiment of the present invention, realization principle and generation and aforementioned
Repeater satellite tracking embodiment is identical, and to briefly describe, repeater satellite tracking device embodiment part does not refer to place, can
With reference to corresponding contents in aforementioned repeater satellite tracking embodiment.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of repeater satellite tracking characterized by comprising
Establish the SSA link between target terminal；
It receives the target terminal and passes through the current location that the SSA link returns；
Antenna corrected parameter is generated according to the current location and the predetermined position of the target terminal；
The antenna corrected parameter is sent to repeater satellite, so that the repeater satellite, which carries out antenna, is directed toward amendment.
2. repeater satellite tracking according to claim 1, which is characterized in that between the foundation and target terminal
The step of SSA link, comprising:
To SSA link setup signal before being sent to target terminal；
Receive the networking application that the target terminal is fed back according to the forward direction link setup signal；
Identification is carried out to the target terminal according to networking application, and SSA link is established according to identification result.
3. repeater satellite tracking according to claim 1, which is characterized in that between the foundation and target terminal
Before the step of SSA link, further includes:
Control parameter is generated according to the predetermined position of the target terminal；
The control parameter is sent to the repeater satellite, so that the antenna of the repeater satellite is directed toward the target terminal
Predetermined position.
4. repeater satellite tracking according to claim 1, which is characterized in that described according to the current location and institute
The step of stating the predetermined position generation antenna corrected parameter of target terminal, comprising:
Calculate the difference between the current location and the predetermined position of the target terminal；
If the difference is greater than preset threshold, the antenna corrected parameter is generated according to the difference.
5. repeater satellite tracking according to claim 1-4, which is characterized in that described to repair the antenna
Positive parameter is sent to repeater satellite, is directed toward after the step of correcting so that the repeater satellite carries out antenna, further includes:
Control the Ka link that the repeater satellite is established between the target terminal.
6. a kind of repeater satellite tracking device characterized by comprising
SSA link module, for the SSA link between foundation and target terminal；
Position module, for receiving the current location for receiving the target terminal and passing through SSA link passback；
Parameter module, for generating antenna corrected parameter according to the current location and the predetermined position of the target terminal；
Correction module refers to for the antenna corrected parameter to be sent to repeater satellite so that the repeater satellite carries out antenna
To amendment.
7. repeater satellite tracking device according to claim 6, which is characterized in that the SSA link module is also used to:
To SSA link setup signal before being sent to target terminal；
Receive the networking application that the target terminal is fed back according to the forward direction link setup signal；
Identification is carried out to the target terminal according to networking application, and SSA link is established according to identification result.
8. repeater satellite tracking device according to claim 6, which is characterized in that the SSA link module is also used to:
Control parameter is generated according to the predetermined position of the target terminal；
The control parameter is sent to the repeater satellite, so that the antenna of the repeater satellite is directed toward the target terminal
Predetermined position.
9. repeater satellite tracking device according to claim 6, which is characterized in that the parameter module is also used to:
Calculate the difference between the current location and the predetermined position of the target terminal；
If the difference is greater than preset threshold, the antenna corrected parameter is generated according to the difference.
10. according to the described in any item repeater satellite tracking devices of claim 6-9, which is characterized in that described device further includes
Ka link module, is used for:
Control the Ka link that the repeater satellite is established between the target terminal.
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| CN110677325A (en) * | 2019-10-14 | 2020-01-10 | 中国人民解放军32039部队 | Network connection state display method and device and electronic equipment |
| WO2022000508A1 (en) * | 2020-07-03 | 2022-01-06 | 北京小米移动软件有限公司 | Satellite-based communication method and apparatus, and storage medium |
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