CN106850044A - Wideband satellite communication system based on ultra short wave communication - Google Patents
Wideband satellite communication system based on ultra short wave communication Download PDFInfo
- Publication number
- CN106850044A CN106850044A CN201710033326.8A CN201710033326A CN106850044A CN 106850044 A CN106850044 A CN 106850044A CN 201710033326 A CN201710033326 A CN 201710033326A CN 106850044 A CN106850044 A CN 106850044A
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- satellite
- difficult
- communication
- ultra short
- ultrashort
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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
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
Abstract
Wideband satellite communication system based on ultra short wave communication, including broadband satellite, satellite communication terminal, and satellite data processing system, the satellite communication terminal include terminating machine, satellite-signal modem and the ultrashort wave trunk desk being connected with its signal.Present invention broadband satellite solves the problems such as commanding elevation selection of the ultrashort wave on mountain area and special circumstances MANET link is difficult, construction is difficult, power taking is difficult, equipment security is difficult, Breakdown Maintenance is difficult as ultrashort transmission link；And thoroughly solve the problems, such as that ultra short wave communication is limited by landform, and between the starlike network technology substation that commonly uses of satellite double jump bring time delay may caused by data packetloss, and a large amount of satellite resources that take cause the problem of high cost.
Description
Technical field
The invention belongs to electronic communication field, it is related to a kind of satellite communication system, and in particular to a kind of logical based on ultrashort wave
The wideband satellite communication system of letter.
Background technology
Domestic broadband satellite application falls behind relatively, and the application on ultrashort wave is even more little.There are some in recent years emergent
The application of the point-to-point transmission on communication truck, the ultrashort wave link at Ji Chedao centers, for have certain scale as ultrashort wave
Not having also for link networking, such as builds multiple spot to center, there is not the application mode of intercommunication also between multiple spot.
Ultrashort wave is the best means of local dispatching communication networks, but due to the characteristic of wireless radio transmission cause mountain area,
In the intensive city of high building, orographic factor is relied in the transmission of big distance, cannot often set up big region overlay network, leaned on
Build multiple relay ultrashort wave links to form networking to transmit, but have the disadvantage that the three jump above relay links packet loss can cause because of time delay
Information transmission is imperfect, particularly in mountain and the gorge region, it is difficult to ultrashort wave transmission link is built with relay, both just
Can also there is commanding elevation to select the problems such as difficult, construction is difficult, power taking is difficult, equipment security is difficult, Breakdown Maintenance is difficult.
The content of the invention
It is the technological deficiency for overcoming existing ultra short wave communication networking technology to exist, ultrashort wave is based on the invention discloses one kind
The wideband satellite communication system of communication.
Wideband satellite communication system based on ultra short wave communication of the present invention, including broadband satellite, satellite communication terminal,
And satellite data processing system, the satellite communication terminal include terminating machine, satellite-signal modem and with its signal
The ultrashort wave trunk desk of connection.
Preferably, the broadband satellite, satellite-signal modem and satellite data processing system are based on MCPC bodies
The device of system.
Using the wideband satellite communication system based on ultra short wave communication of the present invention, with following superiority：
First, present invention broadband satellite solves ultrashort wave in mountain area and special circumstances MANET as ultrashort transmission link
The problems such as commanding elevation selection hardly possible on link, difficult construction, power taking hardly possible, difficult equipment security, Breakdown Maintenance hardly possible.
2nd, the present invention thoroughly solves the problems, such as that ultra short wave communication is limited by landform.
3rd, double jump brings the possible caused data of time delay between solving the starlike network technology substation that satellite is commonly used
Packet loss, and a large amount of satellite resources that take cause the problem of high cost.
4th, solve and can utilize broadband satellite biography when accident occurs with regard to the high-definition image and data transfer of near field
Problem；Can with communication in moving, it is quiet in lead to satellite equipment and be connected, form motor-driven ultrashort wave and cover.
Brief description of the drawings
Fig. 1 is a kind of specific embodiment structure of the wideband satellite communication system based on ultra short wave communication of the present invention
Schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the invention is described in further detail.
Wideband satellite communication system based on ultra short wave communication of the present invention, including broadband satellite, satellite communication terminal,
And satellite data processing system, the satellite communication terminal include terminating machine, satellite-signal modem and with its signal
The ultrashort wave trunk desk of connection.
The function of satellite data processing system is to carry out data management and signaling management, and implementation is usually embedded system
The programmable hardware such as system or single-chip microcomputer, the satellite-signal to receiving is collected, recognized and is distributed, satellite data processing system
After the data that will be received are identified, by data and ascending transmission to satellite can be instructed, it is also possible to continue traveling downwardly existing
Data, communication network, such as internet, existing mobile communications network, LAN etc..
, due to signal wave length, easily by various barrier obstructions, in the present invention, terminating machine such as intercom will for ultrashort wave
Signal after satellite-signal modem is modulated to signal of communication, in ultrashort wave signals form from ultrashort wave trunk desk with super
Shortwave form heavenwards is transmitted into satellite, after satellite received signal, then is launched to another satellite communication terminal with ultrashort waveshape
Ultrashort wave trunk desk, by satellite-signal modem to data demodulate, retransmit to neighbouring intercom, so as to realize
Ultra short wave communication between two satellite communication terminals.The satellite communication terminal can also by intercom, ultrashort wave trunk desk,
Satellite-signal modem is integrated, so as to be directly realized by ultra short wave communication.
In the present invention, it is preferred to use MCPC (MF Multi-Channel Per Carrier) satellite technologies are used as ultrashort networking link, MCPC systems
System can set up multiple spot to the radial network at center, mesh network directly logical between points, can partly set up between points
Subnet；The satellite MODEM of MCPC systems is linked together with the IP interconnection modules in ultrashort wave trunk desk, what intercom was initiated
Call and reach satellite MODEM into after incoming junction position, then to satellite, then just can be with to the ultrashort wave trunk desk of all of satellite connection
All interphone communications of the area of coverage.
Broadband satellite is mostly the satellite that the data such as communications internet, mobile communication are carried out using Ku frequency ranges and C frequency ranges,
The bandwidth of broadband satellite, can be with the information of the larger byte such as transmission figure picture, video, by geosynchronous satellite, non-more than 384K
Mixed satellite group's system of satellite or both provides multimedia interaction business and broadcasting service.Wideband satellite communication
Module is satellite communication mode relatively ripe at present.
Present invention broadband satellite solves ultrashort wave on mountain as the transmission link that ultrashort wave signals relay is realized
Commanding elevation selection hardly possible, construction hardly possible, power taking hardly possible, equipment security hardly possible, Breakdown Maintenance difficulty in area and special circumstances MANET link etc.
Problem present in addressing erection process.Ultrashort wave signals transmission is directly used as relaying by deep space satellite, thoroughly solves super
The problem that short wave communication is limited by landform.
In the present invention, each terminal all possesses satellite-signal modem and the ultrashort wave relaying being connected with its signal
Platform, so as to the ultrashort wave signals for receiving are carried out with processing locality, and need not carry out secondary or multiple jump and stand, so as to reduce letter
Number transmission time delay, and reduces occupancy of the double jump process to satellite-signal bandwidth.
The present invention can be utilized in accident processing procedure, and the high-definition image with regard near field is transmitted using broadband satellite
And data transmission problems；Scene can directly networking using terminal, it is possible to communication in moving, it is quiet in logical satellite equipment be connected, shape
Covered into motor-driven ultrashort wave.
Previously described is each preferred embodiment of the invention, if the preferred embodiment in each preferred embodiment
It is not substantially contradictory or premised on a certain preferred embodiment, each preferred embodiment can any stack combinations
Use, the design parameter in the embodiment and embodiment merely to clearly state inventor invention verification process, and
It is not used to limit scope of patent protection of the invention, scope of patent protection of the invention is still defined by its claims, all
It is the equivalent structure change made with specification of the invention and accompanying drawing content, similarly should be included in protection model of the invention
In enclosing.
Claims (2)
1. the wideband satellite communication system of ultra short wave communication is based on, it is characterised in that：Including broadband satellite, satellite communication terminal,
And satellite data processing system, the satellite communication terminal include terminating machine, satellite-signal modem and with its signal
The ultrashort wave trunk desk of connection.
2. the wideband satellite communication system of ultra short wave communication is based on as claimed in claim 1, it is characterised in that defended in the broadband
Star, satellite-signal modem and satellite data processing system are the device based on MCPC systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033326.8A CN106850044A (en) | 2017-01-18 | 2017-01-18 | Wideband satellite communication system based on ultra short wave communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033326.8A CN106850044A (en) | 2017-01-18 | 2017-01-18 | Wideband satellite communication system based on ultra short wave communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106850044A true CN106850044A (en) | 2017-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033326.8A Pending CN106850044A (en) | 2017-01-18 | 2017-01-18 | Wideband satellite communication system based on ultra short wave communication |
Country Status (1)
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| CN (1) | CN106850044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217915A (en) * | 2018-11-07 | 2019-01-15 | 中国电子科技集团公司第五十四研究所 | A kind of spaceborne high speed relaying broadband fused business divides multiple connection and switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109217915A (en) * | 2018-11-07 | 2019-01-15 | 中国电子科技集团公司第五十四研究所 | A kind of spaceborne high speed relaying broadband fused business divides multiple connection and switch |
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Application publication date: 20170613 |