CN113644957A - Satellite internet-oriented space-based information relay transmission method - Google Patents
Satellite internet-oriented space-based information relay transmission method Download PDFInfo
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- CN113644957A CN113644957A CN202110788820.1A CN202110788820A CN113644957A CN 113644957 A CN113644957 A CN 113644957A CN 202110788820 A CN202110788820 A CN 202110788820A CN 113644957 A CN113644957 A CN 113644957A
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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
- H04B7/18517—Transmission equipment in earth stations
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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
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18532—Arrangements for managing transmission, i.e. for transporting data or a signalling message
Abstract
The invention discloses a satellite internet-oriented space-based information relay transmission method, which comprises the following steps: under the condition that a user satellite cannot execute a task request, providing a relay link application to a satellite internet operation and maintenance control center according to the relay satellite idle resource condition issued by the satellite internet operation and maintenance control center to determine an available relay transmission link; the user satellite control center tracks a user satellite needing to perform a relay transmission task and a high orbit satellite in a relay transmission link through a control instruction, and executes the relay transmission task after the tracking is completed; and after the high-orbit satellite receives the remote sensing data sent by the user satellite, the remote sensing data is sent to the ground station so as to finish the data landing of the user satellite. The method can realize space-based information relay to optimize a transmission framework, increase the number of user services and improve the timeliness of space-based information transmission and the use efficiency of the satellite.
Description
Technical Field
The invention relates to the technical field of satellite remote sensing, in particular to a satellite internet-oriented space-based information relay transmission method.
Background
With the rapid development of national economy and the rapid improvement of social comprehensive management capability, the demand for ground observation data is continuously increased, and the application demands of various user satellites such as oceans, weather, land and the like are continuously improved.
However, under the influence of the curvature of the earth and the linear propagation of electromagnetic waves, the coverage area of controlling the medium and low orbit spacecraft by using the ground stations is very small, the control mode has obvious defects, if the control mode is solved by increasing the measurement and control stations on the earth surface, theoretically, hundreds of stations need to be uniformly distributed on the earth surface, and the control mode is infeasible in geopolitics and cost prediction. The existing high-orbit relay inter-satellite link building cannot meet the access requirements of massive user satellites and data by landing through Ka frequency band microwaves, so that a space-based information relay system is urgently required to be networked by the high-orbit inter-satellite link building.
Disclosure of Invention
The embodiment of the invention provides a space-based information relay transmission method facing a satellite internet, which is used for realizing space-based information relay so as to optimize a transmission framework, increase the number of user services and improve the timeliness of space-based information transmission and the use efficiency of a satellite.
The embodiment of the invention provides a satellite internet-oriented space-based information relay transmission method, which comprises the following steps:
the user satellite control center determines a task request and judges whether the user satellite can execute the task request according to the task request;
under the condition that the user satellite cannot execute the task request, according to the relay satellite idle resource condition issued by the satellite internet operation and maintenance control center, a relay link application is provided for the satellite internet operation and maintenance control center to determine an available relay transmission link, wherein the relay transmission link at least comprises one high-orbit satellite;
the user satellite control center tracks a user satellite needing to perform a relay transmission task and a high orbit satellite in the relay transmission link through a control instruction, and executes the relay transmission task after the tracking is completed;
and after the high-orbit satellite receives the remote sensing data sent by the user satellite, the high-orbit satellite sends the remote sensing data to a ground station according to the visibility of the high-orbit satellite and the ground so as to finish the data landing of the user satellite.
In some embodiments, the determining, by the user satellite control center, the task request includes:
and the user satellite control center acquires a task request provided by the user satellite center according to an annual remote sensing observation plan or a temporary emergency observation plan.
In some embodiments, after a relay link application is provided to a satellite internet operation and maintenance management and control center to determine an available relay transmission link, the method further includes:
the method comprises the steps that a user satellite control center injects a first task planning control instruction to a user satellite, wherein the first task planning control instruction comprises relay transmission starting and stopping time and an up-to-date ephemeris of an elevated satellite; and
the method comprises the steps that after a relay application of a user management and control center is received by a satellite internet management and control center, task planning is carried out according to task priorities and an existing task plan, then a second task planning control instruction is generated according to a task planning result, a ground station of the satellite internet is used for injecting the second task planning control instruction to a high earth orbit satellite, wherein the second task planning control instruction comprises relay transmission starting and stopping time and six-root information of a user satellite orbit.
In some embodiments, the tracking, by the user satellite control center, the user satellite that needs to perform the relay transmission task and the high-orbit satellite in the relay transmission link through the control instruction includes:
after the user satellite receives a first task planning control instruction, the user satellite starts a related load and a laser relay transmission terminal within a preset time, adjusts an initial direction according to satellite information through the laser relay transmission terminal, and constructs a laser transmission link from the user satellite to the high-orbit satellite through scanning capture, rough tracking and fine tracking, wherein the satellite information comprises user satellite attitude information and position information of the high-orbit satellite.
In some embodiments, the tracking, by the user satellite control center, the user satellite that needs to perform the relay transmission task and the high-orbit satellite in the relay transmission link through the control instruction further includes:
after the user satellite and the high-orbit satellite complete the link establishment, the laser relay transmission terminal on the high-orbit satellite cooperates with the laser relay transmission terminal on the user satellite according to the received second task planning control instruction, and the transmission of remote sensing data from the user satellite to the high-orbit satellite is completed.
In some embodiments, after the high earth orbit satellite receives the telemetry data transmitted by the user satellite, transmitting the telemetry data to a ground station comprises:
after the high-orbit satellite receives the remote sensing data of the user satellite, caching the remote sensing data, and determining a second high-orbit satellite for downloading the remote sensing data according to the second task planning control instruction;
and the second high-orbit satellite selects a laser or microwave downloading link according to the satellite-ground communication link condition and the resource use condition, and downloads the remote sensing data to a ground station of the satellite internet.
In some embodiments, after transmitting the telemetry data to the ground station, the method further comprises:
the ground station of the satellite internet demodulates and caches the received remote sensing data, determines whether the remote sensing data enters a ground data management center according to the authorization of a user satellite center, transmits the remote sensing data to the user satellite center, and the remote sensing data is stored and processed by the user satellite center;
if the authorization of the user satellite center is obtained, the remote sensing data is transmitted to the ground information port, the storage and the processing of the remote sensing data are completed, and the original remote sensing data and the processed product data are delivered to the user satellite center.
In some embodiments, after the processed product data is delivered to the user satellite center, the method further comprises:
after receiving the remote sensing data, the user satellite center adds the remote sensing data into an order library for unified management, and generates corresponding product data according to the order requirements;
transmitting the product data to a data distribution system in a ground information port by a user satellite center; or
And under the authorization of the user satellite center, after receiving the remote sensing data, the ground information port reports the remote sensing data to the user satellite center, and meanwhile, the data distribution system generates corresponding product data according to the order requirement and distributes the product data to the target user through the ground internet.
In some embodiments, determining whether the user satellite can perform the task request based on the task request comprises:
the user satellite control center carries out planning according to the task request, and determines whether a high earth orbit satellite relay transmission link in a satellite network needs to be adopted or not according to the space position of a user satellite and the visibility of a ground receiving station;
if the user satellite and the ground receiving station can directly establish a data link, the user satellite ground receiving station completes the task of receiving the satellite download data by adopting the current data return mode of the user;
and if the user satellite is located above the country and needs to transmit the satellite data back to the domestic ground receiving station in time, determining that a relay transmission link in the satellite internet is needed.
The embodiment of the invention determines a task request through a user satellite control center, and judges whether a user satellite can execute the task request according to the task request; and finishing the remote sensing data downloading by the relay transmission link under the condition that the user satellite cannot execute the task request, so that the space-based information relay is realized, the transmission architecture is optimized, the user service quantity is increased, and the timeliness of the space-based information transmission and the satellite use efficiency are improved.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a basic flow diagram of an embodiment of the present invention;
FIG. 2 is a general flow chart of an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the invention provides a satellite internet-oriented space-based information relay transmission method, as shown in fig. 1, comprising the following steps:
s100, the user satellite control center determines a task request, and judges whether the user satellite can execute the task request according to the task request. As a specific implementation manner, the user satellite center or the satellite internet management and control center may perform task planning according to pre-planning or temporary task requirements, and if the task can be executed, generate a corresponding user satellite data receiving plan, a satellite internet high-orbit satellite control instruction and a ground station data receiving plan, and send the user satellite data receiving plan, the satellite internet high-orbit satellite control instruction and the ground station data receiving plan to corresponding devices.
S200, under the condition that the user satellite cannot execute the task request, according to the idle resource condition of a relay satellite issued by the operation and maintenance control center of the satellite internet, a relay link application is provided for the operation and maintenance control center of the satellite internet to determine an available relay transmission link, wherein the relay transmission link at least comprises one high-orbit satellite, namely the task planning result of the operation and maintenance control center of the satellite internet relates to the high-orbit satellite in at least one satellite internet.
S300, the user satellite management and control center tracks the user satellite needing to be subjected to the relay transmission task and the high orbit satellite in the relay transmission link through a control instruction, and executes the relay transmission task after the tracking is finished. For example, a user satellite which is about to perform a relay data transmission task can complete coarse and fine tracking by using a laser terminal and a high-orbit relay satellite, and perform high-speed data relay transmission by using laser communication in a visible window.
S400, after the high-orbit satellite receives the remote sensing data sent by the user satellite, the high-orbit satellite sends the remote sensing data to a ground station according to the visibility of the high-orbit satellite and the ground, so that the data of the user satellite can be landed. For example, after a high-orbit satellite in a satellite internet receives remote sensing data of a user satellite, the user satellite data landing is completed through secondary relay or direct selection of a microwave or laser downlink transmission link according to the visibility condition of the current high-orbit satellite and a ground station.
The embodiment of the invention determines a task request through a user satellite control center, and judges whether a user satellite can execute the task request according to the task request; and finishing the remote sensing data downloading by the relay transmission link under the condition that the user satellite cannot execute the task request, so that the space-based information relay is realized, the transmission architecture is optimized, the user service quantity is increased, and the timeliness of the space-based information transmission and the satellite use efficiency are improved.
In some embodiments, as shown in fig. 2, the determining, by the user satellite control center, the task request includes: and the user satellite control center acquires a task request provided by the user satellite center according to an annual remote sensing observation plan or a temporary emergency observation plan. For example, the user satellite center can provide observation task requirements according to an annual remote sensing observation plan or a temporary emergency observation plan and transmit the observation task requirements to the user satellite operation and maintenance management and control center. The user satellite operation and maintenance control center plans the data return task, and determines whether to adopt a high-orbit satellite relay transmission link in the existing satellite network according to the spatial position of the user satellite and the visibility of the user satellite with the ground receiving station, for example, the user satellite operation and maintenance control center may determine whether to adopt the high-orbit satellite relay transmission link in the satellite network according to the spatial position of the user satellite and the visibility of the user satellite with the ground receiving station. If the user satellite and the ground receiving station can directly establish a data link, the user satellite ground receiving station completes the task of receiving the satellite download data by adopting the current data return mode of the user. And if the user satellite is located above the country and needs to transmit the satellite data back to the domestic ground receiving station in time, determining that a relay transmission link in the satellite internet is needed.
In some embodiments, after a relay link application is provided to a satellite internet operation and maintenance management and control center to determine an available relay transmission link, the method further includes:
the method comprises the steps that a user satellite control center injects a first task planning control instruction to a user satellite, wherein the first task planning control instruction comprises relay transmission starting and stopping time and an up-to-date ephemeris of an elevated satellite; and after receiving a relay application of the user control center, the satellite internet control center carries out task planning according to task priority and an existing task plan, then generates a second task planning control instruction according to a task planning result, and the second task planning control instruction is injected to the high orbit satellite by a ground station of the satellite internet, wherein the second task planning control instruction comprises relay transmission starting and stopping time and six-root information of a user satellite orbit.
As shown in fig. 2, for example, if it is determined that a user satellite needs to use the satellite internet, at this time, a user satellite management and control center first needs to submit a relay link application to a satellite internet operation and maintenance management and control center according to a relay satellite idle resource condition issued by an existing satellite internet management and control center, and after an available relay transmission link is obtained, a task planning control instruction including information such as a relay transmission start-stop time and a latest ephemeris of an elevated earth satellite is injected to a user satellite platform; meanwhile, after receiving a relay application of a user control center, a satellite internet control center carries out task planning according to task priority and an existing task plan, then generates a task planning control instruction containing information such as relay transmission starting and stopping time, six user satellite orbits and the like according to a task planning result, and notes are given to the high orbit satellite from a ground station of the satellite internet.
In some embodiments, the tracking, by the user satellite control center, the user satellite that needs to perform the relay transmission task and the high-orbit satellite in the relay transmission link through the control instruction includes:
after the user satellite receives a first task planning control instruction, the user satellite starts a related load and a laser relay transmission terminal within a preset time, adjusts an initial direction according to satellite information through the laser relay transmission terminal, and constructs a laser transmission link from the user satellite to the high-orbit satellite through scanning capture, rough tracking and fine tracking, wherein the satellite information comprises user satellite attitude information and position information of the high-orbit satellite.
As an optional implementation manner, after receiving a first task planning control instruction injected by a user satellite operation and maintenance control center, a user satellite starts a relevant load and a laser relay transmission terminal at a specified time, the laser relay transmission terminal adjusts an initial pointing direction according to information such as a user satellite attitude and a position of a high-orbit satellite in a satellite internet, and then a laser transmission link from the user satellite to the high-orbit satellite is constructed through steps of scanning capture, rough and fine tracking and the like.
In some embodiments, the tracking, by the user satellite control center, the user satellite that needs to perform the relay transmission task and the high-orbit satellite in the relay transmission link through the control instruction further includes:
after the user satellite and the high-orbit satellite complete the link establishment, the laser relay transmission terminal on the high-orbit satellite cooperates with the laser relay transmission terminal on the user satellite according to the received second task planning control instruction, and the transmission of remote sensing data from the user satellite to the high-orbit satellite is completed.
After the user satellite and the high-orbit satellite in the satellite internet complete the link establishment, the laser relay transmission terminal on the high-orbit satellite cooperates with the laser relay transmission terminal on the user satellite according to a second task planning control instruction which is received by the control center and is injected by the ground station, and the transmission of remote sensing data from the user satellite to the high-orbit satellite is completed.
In some embodiments, after the high earth orbit satellite receives the telemetry data transmitted by the user satellite, transmitting the telemetry data to a ground station comprises:
after the high-orbit satellite receives the remote sensing data of the user satellite, caching the remote sensing data, and determining a second high-orbit satellite for downloading the remote sensing data according to the second task planning control instruction;
and the second high-orbit satellite selects a laser or microwave downloading link according to the satellite-ground communication link condition and the resource use condition, and downloads the remote sensing data to a ground station of the satellite internet.
Specifically, the step of sending the remote sensing data to the ground station is described in this example, the high earth relay satellite (high earth satellite) may cache the remote sensing data after receiving the remote sensing data of the user satellite, and determine a second high earth satellite for downloading the remote sensing data according to an instruction of controlling satellite uploading via the satellite internet, where the second high earth satellite may be a current high earth satellite or an appointed additional high earth satellite. The determination of the high orbit satellite for remote sensing data downloading can relate to three selection conditions, namely single satellite data downloading, secondary relay downloading and the simultaneous guarantee of two high orbit satellites for one user satellite for data downloading.
And the second high orbit satellite for data downloading selects a laser or microwave downloading link according to the satellite-ground communication link condition and the resource use condition, and downloads the remote sensing data to a ground station of the satellite internet.
And finally, the ground station can receive remote sensing data downloaded by the relay satellite or between remote sensing satellites through a deploying receiving antenna or a laser receiving terminal, and transmits the remote sensing satellite data to a ground data distribution system through a ground transmission network to be distributed to target users. For example, in some embodiments, after transmitting the telemetry data to the ground station, the method further comprises:
the ground station of the satellite internet demodulates and caches the received remote sensing data, determines whether the remote sensing data enters a ground data management center according to the authorization of a user satellite center, transmits the remote sensing data to the user satellite center, and the remote sensing data is stored and processed by the user satellite center;
if the authorization of the user satellite center is obtained, the remote sensing data is transmitted to the ground information port, the storage and the processing of the remote sensing data are completed, and the original remote sensing data and the processed product data are delivered to the user satellite center.
In some embodiments, after the processed product data is delivered to the user satellite center, the method further comprises:
after receiving the remote sensing data, the user satellite center adds the remote sensing data into an order library for unified management, and generates corresponding product data according to the order requirements;
transmitting the product data to a data distribution system in a ground information port by a user satellite center; or
And under the authorization of the user satellite center, after receiving the remote sensing data, the ground information port reports the remote sensing data to the user satellite center, and meanwhile, the data distribution system generates corresponding product data according to the order requirement and distributes the product data to the target user through the ground internet.
Specifically, the ground station of the satellite internet demodulates and caches the received remote sensing data, and determines whether the remote sensing data enters a ground data management center (ground information port) or not according to the authorization of a user satellite center.
If the remote sensing data is not allowed to enter the ground information port, the remote sensing data is directly transmitted to the user satellite center, the user satellite center stores and processes the remote sensing data, if the authorization of the user satellite center is obtained, the remote sensing data is transmitted to the ground information port, the storage and the processing of the remote sensing data are completed, and then the original remote sensing data and the processed product data are delivered to the user satellite center.
After receiving a data order request, the user satellite center adds the order into an order library for unified management, generates corresponding product data according to the order requirement, and then transmits the product data to a data distribution system in a ground information port; or under the authorization of the user satellite center, after the ground information port receives the data order request, the order information is reported to the user satellite center, and meanwhile, the data distribution system generates corresponding product data according to the order requirement and distributes the product data to the target user through the ground internet.
In the task application stage, the satellite internet management and control center can accept the preset task or quasi-real-time task request from all aspects, convert the task request into a task plan and drive the transmission of the space-based information relay data. The mission planning of the satellite internet oriented space-based information relay transmission can realize the free scheduling and data switching of a plurality of high orbit satellites. The inter-satellite and inter-satellite-ground link types can be optimally selected according to space environment and satellite resource factors. In the ground data distribution stage, remote sensing satellite data received by the ground station can be directly transmitted to a user satellite center to complete the conversion from the data to products, and can also be completed through a ground data management center (ground information harbor).
The method has the advantages that the method for hybrid transmission of laser and microwave is used, and the data transmission rate, the anti-interference performance and the multi-scene adaptability are improved.
The invention can be applied by users according to needs, adopts a networked data transmission concept, and can complete automatic skip and switching of relay data in a satellite-crossing manner under a scene of ensuring a plurality of high-orbit satellites.
The method adopted by the invention can be suitable for the free combination of scenes such as single-satellite relay, secondary relay, multi-satellite simultaneous relay guarantee and the like;
the invention can be based on user demand application, low orbit user remote sensing satellite access, high orbit satellite relay, ground station receiving and data distribution, has practical significance and realization value for acquiring remote sensing satellite data, can effectively solve the bottleneck of remote sensing image acquisition caused by insufficient ground station, and realizes real-time high-speed return of global data.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A satellite internet-oriented space-based information relay transmission method is characterized by comprising the following steps:
the user satellite control center determines a task request and judges whether the user satellite can execute the task request according to the task request;
under the condition that the user satellite cannot execute the task request, according to the relay satellite idle resource condition issued by the satellite internet operation and maintenance control center, a relay link application is provided for the satellite internet operation and maintenance control center to determine an available relay transmission link, wherein the relay transmission link at least comprises one high-orbit satellite;
the user satellite control center tracks a user satellite needing to perform a relay transmission task and a high orbit satellite in the relay transmission link through a control instruction, and executes the relay transmission task after the tracking is completed;
and after the high-orbit satellite receives the remote sensing data sent by the user satellite, the high-orbit satellite sends the remote sensing data to a ground station according to the visibility of the high-orbit satellite and the ground so as to finish the data landing of the user satellite.
2. The satellite internet-oriented space-based information relay transmission method according to claim 1, wherein the determining of the task request by the user satellite management and control center includes:
and the user satellite control center acquires a task request provided by the user satellite center according to an annual remote sensing observation plan or a temporary emergency observation plan.
3. The satellite internet-oriented space-based information relay transmission method according to claim 1, wherein after a relay link application is provided to a satellite internet operation and maintenance management and control center to determine an available relay transmission link, the method further comprises:
the method comprises the steps that a user satellite control center injects a first task planning control instruction to a user satellite, wherein the first task planning control instruction comprises relay transmission starting and stopping time and an up-to-date ephemeris of an elevated satellite; and
the method comprises the steps that after a relay application of a user management and control center is received by a satellite internet management and control center, task planning is carried out according to task priorities and an existing task plan, then a second task planning control instruction is generated according to a task planning result, a ground station of the satellite internet is used for injecting the second task planning control instruction to a high earth orbit satellite, wherein the second task planning control instruction comprises relay transmission starting and stopping time and six-root information of a user satellite orbit.
4. The satellite internet-oriented space-based information relay transmission method of claim 3, wherein the tracking, by the user satellite control center through the control instruction, the user satellite which needs to perform the relay transmission task and the high-orbit satellite in the relay transmission link includes:
after the user satellite receives a first task planning control instruction, the user satellite starts a related load and a laser relay transmission terminal within a preset time, adjusts an initial direction according to satellite information through the laser relay transmission terminal, and constructs a laser transmission link from the user satellite to the high-orbit satellite through scanning capture, rough tracking and fine tracking, wherein the satellite information comprises user satellite attitude information and position information of the high-orbit satellite.
5. The satellite internet-oriented space-based information relay transmission method of claim 4, wherein the user satellite management and control center tracks the user satellite needing to perform the relay transmission task and the high-orbit satellite in the relay transmission link through a control instruction, further comprising:
after the user satellite and the high-orbit satellite complete the link establishment, the laser relay transmission terminal on the high-orbit satellite cooperates with the laser relay transmission terminal on the user satellite according to the received second task planning control instruction, and the transmission of remote sensing data from the user satellite to the high-orbit satellite is completed.
6. The satellite internet-oriented space-based information relay transmission method according to claim 5, wherein the sending of the remote sensing data to the ground station after the high-earth satellite receives the remote sensing data sent by the user satellite comprises:
after the high-orbit satellite receives the remote sensing data of the user satellite, caching the remote sensing data, and determining a second high-orbit satellite for downloading the remote sensing data according to the second task planning control instruction;
and the second high-orbit satellite selects a laser or microwave downloading link according to the satellite-ground communication link condition and the resource use condition, and downloads the remote sensing data to a ground station of the satellite internet.
7. The satellite internet-oriented space-based information relay transmission method according to claim 6, wherein after transmitting the remote sensing data to the ground station, the method further comprises:
the ground station of the satellite internet demodulates and caches the received remote sensing data, determines whether the remote sensing data enters a ground data management center according to the authorization of a user satellite center, transmits the remote sensing data to the user satellite center, and the remote sensing data is stored and processed by the user satellite center;
if the authorization of the user satellite center is obtained, the remote sensing data is transmitted to the ground information port, the storage and the processing of the remote sensing data are completed, and the original remote sensing data and the processed product data are delivered to the user satellite center.
8. The satellite internet-oriented space-based information relay transmission method according to claim 7, wherein after the processed product data is delivered to the user satellite center, the method further comprises:
after receiving the remote sensing data, the user satellite center adds the remote sensing data into an order library for unified management, and generates corresponding product data according to the order requirements;
transmitting the product data to a data distribution system in a ground information port by a user satellite center; or
And under the authorization of the user satellite center, after receiving the remote sensing data, the ground information port reports the remote sensing data to the user satellite center, and meanwhile, the data distribution system generates corresponding product data according to the order requirement and distributes the product data to the target user through the ground internet.
9. The satellite internet-oriented space-based information relay transmission method according to claim 1, wherein judging whether the user satellite can execute the task request according to the task request comprises:
the user satellite control center carries out planning according to the task request, and determines whether a high earth orbit satellite relay transmission link in a satellite network needs to be adopted or not according to the space position of a user satellite and the visibility of a ground receiving station;
if the user satellite and the ground receiving station can directly establish a data link, the user satellite ground receiving station completes the task of receiving the satellite download data by adopting the current data return mode of the user;
and if the user satellite is located above the country and needs to transmit the satellite data back to the domestic ground receiving station in time, determining that a relay transmission link in the satellite internet is needed.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499645A (en) * | 2022-02-14 | 2022-05-13 | 北京东方计量测试研究所 | Space-to-air cooperative remote sensing prototype device and information interaction method thereof |
| CN116760456A (en) * | 2023-08-14 | 2023-09-15 | 上海航天空间技术有限公司 | Satellite data real-time transmission method and system for remote sensing monitoring of small-area mountain fire |
| CN117856876A (en) * | 2024-03-06 | 2024-04-09 | 中国人民解放军国防科技大学 | High-low orbit inter-satellite distributed cooperative communication system and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013070226A (en) * | 2011-09-22 | 2013-04-18 | Mitsubishi Electric Corp | Satellite communication system, and communication relay satellite |
| CN106452560A (en) * | 2016-09-23 | 2017-02-22 | 北京工业大学 | Backbone satellite node and ground station-based communication system |
| CN206226436U (en) * | 2016-09-27 | 2017-06-06 | 中国科学院空间应用工程与技术中心 | A kind of Information Network resource bilayer scheduling system |
| CN108494470A (en) * | 2018-02-05 | 2018-09-04 | 西安电子科技大学 | Information Network repeater satellite antenna scheduling method based on optimization weight |
| CN108832985A (en) * | 2018-05-02 | 2018-11-16 | 中国人民解放军32039部队 | Mobile IP communication system and method for repeater satellite Incorporate network |
| CN108880653A (en) * | 2018-06-29 | 2018-11-23 | 清华大学 | Relay satellite system method for managing resource and system |
| CN110535523A (en) * | 2019-07-24 | 2019-12-03 | 西安空间无线电技术研究所 | A kind of method that trunk subscriber terminal independently switches tracking relay satellite |
| CN110752868A (en) * | 2019-10-08 | 2020-02-04 | 中国人民解放军32039部队 | On-orbit spacecraft shadow following measurement and control method, device and computer readable medium |
| CN111682893A (en) * | 2020-06-08 | 2020-09-18 | 中国人民解放军32039部队 | Relay satellite data post distribution system |
-
2021
- 2021-07-13 CN CN202110788820.1A patent/CN113644957B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013070226A (en) * | 2011-09-22 | 2013-04-18 | Mitsubishi Electric Corp | Satellite communication system, and communication relay satellite |
| CN106452560A (en) * | 2016-09-23 | 2017-02-22 | 北京工业大学 | Backbone satellite node and ground station-based communication system |
| CN206226436U (en) * | 2016-09-27 | 2017-06-06 | 中国科学院空间应用工程与技术中心 | A kind of Information Network resource bilayer scheduling system |
| CN108494470A (en) * | 2018-02-05 | 2018-09-04 | 西安电子科技大学 | Information Network repeater satellite antenna scheduling method based on optimization weight |
| CN108832985A (en) * | 2018-05-02 | 2018-11-16 | 中国人民解放军32039部队 | Mobile IP communication system and method for repeater satellite Incorporate network |
| CN108880653A (en) * | 2018-06-29 | 2018-11-23 | 清华大学 | Relay satellite system method for managing resource and system |
| CN110535523A (en) * | 2019-07-24 | 2019-12-03 | 西安空间无线电技术研究所 | A kind of method that trunk subscriber terminal independently switches tracking relay satellite |
| CN110752868A (en) * | 2019-10-08 | 2020-02-04 | 中国人民解放军32039部队 | On-orbit spacecraft shadow following measurement and control method, device and computer readable medium |
| CN111682893A (en) * | 2020-06-08 | 2020-09-18 | 中国人民解放军32039部队 | Relay satellite data post distribution system |
Non-Patent Citations (7)
| Title |
|---|
| 刘保国等: "中继卫星系统在我国航天测控中的应用", 《飞行器测控学报》 * |
| 周馨等: "高轨海事卫星与低轨遥感卫星的星间通信链路技术展望", 《数字技术与应用》 * |
| 方炎申等: "中继卫星与用户航天器之间星间链路的研究", 《计算机工程与设计》 * |
| 李英先等: "基于STK/Schedule实现中继卫星业务调度", 《现代电子技术》 * |
| 王之等: "天基信息港的多源信息融合任务调度研究", 《中国空间科学技术》 * |
| 赵静等: "中继卫星资源调度问题研究现状与展望", 《电讯技术》 * |
| 马满好等: "中继卫星星间链路的天线资源分配策略研究", 《计算机仿真》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499645A (en) * | 2022-02-14 | 2022-05-13 | 北京东方计量测试研究所 | Space-to-air cooperative remote sensing prototype device and information interaction method thereof |
| CN116760456A (en) * | 2023-08-14 | 2023-09-15 | 上海航天空间技术有限公司 | Satellite data real-time transmission method and system for remote sensing monitoring of small-area mountain fire |
| CN116760456B (en) * | 2023-08-14 | 2023-10-31 | 上海航天空间技术有限公司 | Satellite data real-time transmission method and system for remote sensing monitoring of small-area mountain fire |
| CN117856876A (en) * | 2024-03-06 | 2024-04-09 | 中国人民解放军国防科技大学 | High-low orbit inter-satellite distributed cooperative communication system and method |
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