CN114499632B - Data transmission method based on integration of space satellite and broadband satellite - Google Patents
Data transmission method based on integration of space satellite and broadband satellite Download PDFInfo
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000010354 integration Effects 0.000 title claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 40
- 230000004927 fusion Effects 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000008447 perception Effects 0.000 abstract description 2
- 238000010295 mobile communication Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
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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
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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
- H04B7/18558—Arrangements for managing communications, i.e. for setting up, maintaining or releasing a call between stations
-
- 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
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
-
- 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
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
- H04B7/18586—Arrangements for data transporting, e.g. for an end to end data transport or check
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a data transmission method based on integration of a space satellite and a broadband satellite, which comprises the following steps: s1, a user generates the basic transmission content into the Tiantong narrow-band data through an application program, and then transmits the Tiantong narrow-band data to a satellite wide-narrow-band fusion data gateway through a lightweight data transmission interface; and S2, broadband data transmitted by the satellite broadband indoor unit is accessed to the satellite broadband and narrowband fusion data gateway through the Ethernet module. According to the invention, important data transmission is performed through the link judgment and lightweight protocol, so that the difficult problem that the cost of the existing double-satellite data link is too high, and the single-broadband link is influenced by bad weather and is difficult to ensure important data return is solved, the remote technical support before the broadband satellite terminal is opened and the emergency communication requirement under special conditions are effectively ensured, the user experience perception is improved, and the overall safety and service quality of satellite services are improved.
Description
Technical Field
The invention relates to the technical field of satellite communication, in particular to a data transmission method based on integration of a space satellite and a broadband satellite.
Background
The Tiantong satellite is a mobile communication satellite which is independently researched and developed in the first place in China, and the whole system of the satellite, a chip, a terminal, a gateway station and the like is independently researched and developed, so that the blank of the domestic autonomous mobile communication system is filled, and the current situation of foreign satellite mobile communication service is broken. The satellite mobile communication system can be forwarded through satellite relay, provides a large-scale, long-distance, flexible voice, short message and packet data service for users, and has the advantages of full coverage, emergency communication and general service because the link is built quickly and the satellite frequency is used little by weather; meanwhile, the problem that the antenna is required to be kept approximately opposite to the satellite direction, the data communication speed is low and the use cost is higher than that of a broadband satellite when the handset is in communication also exists.
Broadband satellite communication networks are satellite communication networks using C, ku, ka frequencies, and are often referred to as broadband satellites because of the much higher satellite communication rates than mobile satellite communication networks. The broadband satellite communication system can process and transmit data, images and videos with high speed through a broadband satellite, and has great advantages in emergency communication and general service which need high-speed communication; meanwhile, the problem that the satellite remote station is complex to the satellite and the communication link is easily influenced by extreme weather exists.
At present, in the actual satellite communication case, two different satellite resources are used as backups, although the safety is improved, the satellite network resources are scarce and expensive, and the cost is high; voice mode remote technical support is often required before an emergency satellite broadband network is established. When being influenced by environmental factors such as bad weather, the invention designs a data transmission method based on integration of a space satellite and a broadband satellite to solve the problems, so as to ensure timeliness of data transmission content and save flow bandwidth cost.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides a data transmission method based on integration of a space satellite and a broadband satellite.
The invention provides a data transmission method based on integration of a space satellite and a broadband satellite, which comprises the following steps:
S1, a user generates the basic transmission content into the Tiantong narrow-band data through an application program, and then transmits the Tiantong narrow-band data to a satellite wide-narrow-band fusion data gateway through a lightweight data transmission interface;
s2, broadband satellite data transmitted by the satellite broadband indoor unit is accessed to a satellite broadband and narrowband convergence data gateway through an Ethernet communication module;
s3: after receiving the data, the satellite wide-narrow-band fusion data gateway stores the data and sends the data to the data sending routing module for link judgment;
S4: when the satellite broadband network is judged to be unavailable, including the conditions of satellite broadband network interruption, high packet loss rate or invalid switching of the broadband satellite terminal module through the broadband satellite terminal control board, the space-time transmission circuit is only used for guaranteeing the bottom to complete space-time narrowband data transmission;
s5: the business application platform sends the Tiantong narrow-band data and the position information to the information monitoring platform of the customer through the capability open center for emergency disposal of the customer;
S6, after the gateway judges that the satellite broadband network is recovered, recovering real-time broadband satellite data transmission according to a preset strategy or retransmitting the unsuccessfully transmitted full information to the service application platform when idle, supplementing the original data by the service application platform and then supplementing the original data to the information monitoring platform of the client;
If the satellite broadband network is judged to be available, the satellite broadband network is judged to be available according to the judgment that the link is available, and the broadband satellite terminal is opened and available, the satellite broadband network is used for transmitting the total data volume, broadband satellite data and Tiantong narrowband data are transmitted to the service application platform for data storage and processing, and after the processing is completed, the service application platform respectively transmits the data to the relevant network and the relevant application platform of the client through the capability open center for processing and use;
the transmission process is completed by a satellite wide-narrow-band fusion data gateway, a lightweight data transmission interface, a space-through satellite outdoor unit, an ACU controller, a broadband satellite outdoor unit and a service application platform;
The satellite wide-narrow-band fusion data gateway consists of an Ethernet communication module, a space-through satellite data module, a broadband satellite terminal control board and a broadband satellite terminal indoor unit;
The space communication satellite data module corresponds to a space communication satellite outdoor unit, and the transmission content comprises satellite mobile voice, short messages and data;
The Ethernet communication module is in butt joint with a broadband satellite terminal control board, the broadband satellite terminal control board is accessed to a broadband network through a broadband satellite terminal indoor unit, and is transmitted to a video and data transmission system through WiFi and Ethernet, and the transmission content is broadband flow data;
the content transmitted by the lightweight data transmission interface consists of positioning information, heaven communication voice, short messages and data information.
The invention has the beneficial effects that:
The invention realizes the data transmission method based on the integration of the space-borne satellite and the broadband terminal based on the wide-narrow-band satellite integration data gateway, the lightweight data transmission interface, the space-borne satellite outdoor unit, the ACU controller, the broadband satellite outdoor unit, the service application platform and the like, utilizes the voice, short message and narrowband data transmission capacity of the space-borne satellite mobile communication system to make redundancy for important application data in broadband satellite communication, carries out important data transmission through link judgment and lightweight protocol, solves the problems that the cost of the existing double-satellite data link is too high, and the transmission of important data is difficult to be ensured due to the influence of severe weather on a single broadband link, effectively ensures the remote technical support before the broadband satellite terminal is opened and the emergency communication requirement under special conditions, improves the user experience perception, and improves the safety and the service quality of the whole satellite service.
Drawings
Fig. 1 is a schematic flow chart of a data transmission method based on a data transmission method of combining a space satellite and a broadband satellite;
fig. 2 is a data transmission diagram of a data transmission method based on integration of space satellite and broadband satellite;
Fig. 3 is a flow chart of an end station side and a main station side of a data transmission method based on integration of space satellite and broadband satellite.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 3, an embodiment of a data transmission method based on integration of a space satellite and a broadband satellite includes the following steps:
S1, a user generates the basic transmission content into the Tiantong narrow-band data through an application program, and then transmits the Tiantong narrow-band data to a satellite wide-narrow-band fusion data gateway through a lightweight data transmission interface;
s2, broadband satellite data transmitted by the satellite broadband indoor unit is accessed to a satellite broadband and narrowband convergence data gateway through an Ethernet communication module;
s3: after receiving the data, the satellite wide-narrow-band fusion data gateway stores the data and sends the data to the data sending routing module for link judgment;
S4: when the satellite broadband network is judged to be unavailable, including the conditions of satellite broadband network interruption, high packet loss rate or invalid switching of the broadband satellite terminal module through the broadband satellite terminal control board, the space-time transmission circuit is only used for guaranteeing the bottom to complete space-time narrowband data transmission;
s5: the business application platform sends the Tiantong narrow-band data and the position information to the information monitoring platform of the customer through the capability open center for emergency disposal of the customer;
S6, after the gateway judges that the satellite broadband network is recovered, recovering real-time broadband satellite data transmission according to a preset strategy or retransmitting the unsuccessfully transmitted full information to the service application platform when idle, supplementing the original data by the service application platform and then supplementing the original data to the information monitoring platform of the client;
If the satellite broadband network is judged to be available, the satellite broadband network is judged to be available according to the judgment that the link is available, and the broadband satellite terminal is opened and available, the satellite broadband network is used for transmitting the total data volume, broadband satellite data and Tiantong narrowband data are transmitted to the service application platform for data storage and processing, and after the processing is completed, the service application platform respectively transmits the data to the relevant network and the relevant application platform of the client through the capability open center for processing and use;
the transmission process is completed by a satellite wide-narrow-band fusion data gateway, a lightweight data transmission interface, a space-through satellite outdoor unit, an ACU controller, a broadband satellite outdoor unit and a service application platform;
The satellite wide-narrow-band fusion data gateway consists of an Ethernet communication module, a space-through satellite data module, a broadband satellite terminal control board and a broadband satellite terminal indoor unit;
The space communication satellite data module corresponds to a space communication satellite outdoor unit, and the transmission content comprises satellite mobile voice, short messages and data;
The Ethernet communication module is in butt joint with a broadband satellite terminal control board, the broadband satellite terminal control board is accessed to a broadband network through a broadband satellite terminal indoor unit, and is transmitted to a video and data transmission system through WiFi and Ethernet, and the transmission content is broadband flow data;
the content transmitted by the lightweight data transmission interface consists of positioning information, heaven communication voice, short messages and data information.
The invention can be used in the fields of frontier defense inspection, urban disaster emergency, government emergency, natural disaster emergency, forestry, water conservancy, ground regulation, offshore communication and the like, and aims at application scenes such as satellite fixed terminals, portable stations, vehicle-mounted stations, shipborne stations, unmanned aerial vehicles and the like.
(1) Emergency and rescue communication application for various disaster recovery
When a disaster happens, local or professional rescue workers need to arrive at a disaster scene in time to carry out disaster relief and relief treatment, light and reliable satellite communication equipment is needed to be equipped for the rescue workers to ensure smooth information communication and improve the safety and efficiency of disaster relief treatment, and through the configuration of the wide and narrow band satellite fusion terminal, the portable station/vehicle-mounted station equipment can support information transmission such as disaster scene situation feedback, dangerous situation reporting, command issuing and the like, so that the timely communication requirement of the disaster scene and a command center outside is met, and the position information of front-end rescue workers is obtained to carry out overall scheduling, and the rescue progress is known in real time.
The satellite fixed stations which are pre-installed in some remote areas are controlled by the space satellite data to control the broadband satellite terminal module to open a transmission channel, the acquired information is transmitted in real time, the real pictures and videos of the front end of the return can be acquired in a unmanned plane/ship mode, and the effectiveness of rescue is further improved.
(2) Marine transportation safety monitoring
The condition of the cab is dynamically identified through the camera, alarm information such as unmanned alarm, hijack alarm and the like and video are transmitted back to the user monitoring platform through the satellite link for clients to perform real-time treatment, and the space-time satellite provides ship position information on one hand and serves as key information feedback guarantee when the broadband satellite network environment is poor on the other hand.
The ocean broadband data transmission service receives the space-time satellite data through the on-board antenna, uses the broadband satellite fusion terminal as an information storage medium to carry out the data transmission service, provides relevant services for users, and comprises the following steps:
Generating record data by the video monitoring content, and correspondingly processing the data to form Tiantong narrow-band data; when the bandwidth network is interrupted in severe weather, the satellite broadband short data fusion gateway sends related information, such as 'unmanned cab alarm', and the like, through an astronomical communication channel; after the data is sent to the Tiantong master station, the service application platform stores the data, the processed data is sent to the information monitoring platform of the client through the capability opening module, the client finds an alarm, the client can contact with the ship through Tiantong satellite voice and conduct timely treatment, the satellite network management judges that the broadband satellite network is recovered, namely, the full amount of data which is not sent successfully is sent to the service application platform, the service application platform supplements the video information which is lost before, and the video information is sent to the information monitoring platform of the client for processing by the client.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. The data transmission method based on the integration of the space satellite and the broadband satellite is characterized by comprising the following steps of:
S1, a user generates the basic transmission content into the Tiantong narrow-band data through an application program, and then transmits the Tiantong narrow-band data to a satellite wide-narrow-band fusion data gateway through a lightweight data transmission interface;
s2, broadband satellite data transmitted by the satellite broadband indoor unit is accessed to a satellite broadband and narrowband convergence data gateway through an Ethernet communication module;
s3: after receiving the data, the satellite wide-narrow-band fusion data gateway stores the data and sends the data to the data sending routing module for link judgment;
S4: when the satellite broadband network is judged to be unavailable, including the conditions of satellite broadband network interruption, high packet loss rate or invalid switching of the broadband satellite terminal module through the broadband satellite terminal control board, the space-time transmission circuit is only used for guaranteeing the bottom to complete space-time narrowband data transmission;
s5: the business application platform sends the Tiantong narrow-band data and the position information to the information monitoring platform of the customer through the capability open center for emergency disposal of the customer;
S6, after the gateway judges that the satellite broadband network is recovered, recovering real-time broadband satellite data transmission according to a preset strategy or retransmitting the unsuccessfully transmitted full information to the service application platform when idle, supplementing the original data by the service application platform and then supplementing the original data to the information monitoring platform of the client;
If the satellite broadband network is judged to be available, the satellite broadband network is judged to be available according to the judgment that the link is available, and the broadband satellite terminal is opened and available, the satellite broadband network is used for transmitting the total data volume, broadband satellite data and Tiantong narrowband data are transmitted to the service application platform for data storage and processing, and after the processing is completed, the service application platform respectively transmits the data to the relevant network and the relevant application platform of the client through the capability open center for processing and use;
the transmission process is completed by a satellite wide-narrow-band fusion data gateway, a light-weight data transmission interface, a space-access satellite outdoor unit, an ACU controller, a broadband satellite outdoor unit and a service application platform;
The satellite wide-narrow-band fusion data gateway consists of an Ethernet communication module, a space-through satellite data module, a broadband satellite terminal control board and a broadband satellite terminal indoor unit;
The space communication satellite data module corresponds to a space communication satellite outdoor unit, and the transmission content comprises satellite mobile voice, short messages and data;
The Ethernet communication module is in butt joint with a broadband satellite terminal control board, the broadband satellite terminal control board is accessed to a broadband network through a broadband satellite terminal indoor unit, and is transmitted to a video and data transmission system through WiFi and Ethernet, and the transmission content is broadband flow data;
the content transmitted by the lightweight data transmission interface consists of positioning information, heaven communication voice, short messages and data information.
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| CN116132300B (en) * | 2022-09-15 | 2024-04-30 | 电子科技大学 | Link identification method based on gradient lifting decision tree feature combination |
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| US20070186251A1 (en) * | 2006-02-03 | 2007-08-09 | Horowitz Edward D | Emergency satellite network |
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| CN206237399U (en) * | 2016-11-23 | 2017-06-09 | 北京坦达信息科技有限公司 | A kind of moving emergency communication terminal |
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