CN108566241A - A kind of communication system - Google Patents
A kind of communication system Download PDFInfo
- Publication number
- CN108566241A CN108566241A CN201810362281.3A CN201810362281A CN108566241A CN 108566241 A CN108566241 A CN 108566241A CN 201810362281 A CN201810362281 A CN 201810362281A CN 108566241 A CN108566241 A CN 108566241A
- Authority
- CN
- China
- Prior art keywords
- satellite
- laser
- aircraft
- terminal device
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 title claims abstract description 366
- 230000003287 optical effect Effects 0.000 claims description 10
- 241000220300 Eupsilia transversa Species 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 29
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 15
- 238000003860 storage Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
- H04B7/18508—Communications with or from aircraft, i.e. aeronautical mobile service with satellite system used as relay, i.e. aeronautical mobile satellite service
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/118—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum specially adapted for satellite communication
-
- 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
- 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
- H04B7/18521—Systems of inter linked satellites, i.e. inter satellite service
Landscapes
- 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)
- Electromagnetism (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention discloses a kind of communication systems, are related to field of aerospace technology, and main purpose improves the rate of aircraft networks data transmission while being to reduce cost.Main technical schemes are：Satellite communication system, including multi-satellite, every satellite is loaded with the Space laser communications terminal device of intersatellite communication, the satellite vehicles laser communication terminal device with vehicle-to-vehicle communication, and the ground satellite station laser communication terminal device with ground interior communication；It is realized and is communicated to connect by laser link based on Space laser communications terminal device between more telecommunication satellites；Mobile terminal communication system includes the aircraft satellite laser communications terminal device of predetermined quantity communicated with satellite；Earth station's communication system, earth station's communication system include at least one earth station's laser communication terminal communicated with satellite, and earth station's laser communication terminal includes earth station's satellite laser communications terminal device.Present invention is mainly used for the airborne data transmissions of aircraft.
Description
Technical field
The present invention relates to field of aerospace technology, more particularly to a kind of communication system.
Background technology
Currently, network communication of the aircarrier aircraft in flight course, mainly passes through the radio net of satellite and ground base station
Network transmission realizes that this kind of realization method is limited by radio frequency and geo-synchronous orbit satellite rail position, it is difficult to meet civil aviaton
Field rapid growth mass data transfers demand；And since the performance of satellite radio networks limits so that on aircraft
Message transmission rate and number of service subscribers it is limited, although can realize the service on net of cabin at present, network communication speed
Rate is relatively low, substantially all in KB and MB magnitudes.
Based on the above reason, a large amount of flying qualities that aircraft generates in the air can not all be transferred to ground in real time, make
Obtaining aircraft becomes air information isolated island.Along with the intelligentized development of aircraft, thousands of sensors and complex digital are housed
The data more exponentially of the intelligent aircraft of system, generation increases, this has been further exacerbated by the difficulty of Aircraft Air magnanimity flying quality
The predicament passed below can not reduce management and control and the maintenance cost of aircraft to cause flying quality that cannot efficiently use.
Invention content
In view of this, a kind of communication system provided by the invention, main purpose improves flight while being to reduce cost
The rate and total amount of data of device network data transmission.
To solve the above-mentioned problems, present invention generally provides following technical solutions：
A kind of communication system, which is characterized in that including：
Satellite communication system, including multi-satellite, the Space laser communications terminal that every satellite is loaded with intersatellite communication are set
It is standby, the satellite-aircraft laser communication terminal device and satellite of satellite and vehicle-to-vehicle communication and defending for ground interior communication
Star-earth station's laser communication terminal device；Based on Space laser communications terminal device by swashing between the more telecommunication satellites
Optical link realizes communication；
Vehicular communication system includes the aircraft communicated with satellite-satellite laser communications terminal of predetermined quantity
Equipment；It is communicated with satellite by laser link based on the aircraft-satellite laser communications terminal device；
Earth station's communication system, earth station's communication system include that at least one earth station communicated with satellite swashs
Optical communication terminal, earth station's laser communication terminal include ground-satellite laser communications terminal device, are based on the ground-
Satellite laser communications terminal device is communicated by laser link with satellite.
Further, every satellite is loaded with the more satellites-aircraft laser communication terminal device, described in described more
Satellite-aircraft laser communication terminal device is arranged according to scheduled communication array.
Further, the multi-satellite is in same orbital plane, alternatively, the first quantity in the multi-satellite is defended
Star is in the first orbital plane, and the satellite of the second quantity is in the second orbital plane；
Two passings of satelline adjacent in same orbital plane be directly connected to or the mode of relay connection to carry out laser logical
Believe the connection of link；Satellite in different orbital planes, at least a pair of satellite by be directly connected to or relay connection swash
Optical link communicates.
Further, satellite-aircraft laser communication terminal of the predetermined quantity in every satellite be loaded with described more
Equipment, the communication overlay of every satellite of composition subtended angle over the ground.
Further,
The depression angle that satellite-aircraft laser communication terminal device is arranged is satellite subtended angle over the ground, then in described more
Each satellite-aircraft laser communication terminal device constitute the communication overlay of every satellite subtended angle over the ground；
Alternatively,
The depression angle that satellite-aircraft laser communication terminal device is arranged is to be less than satellite subtended angle over the ground more than 0 °, then
Predetermined quantity platform satellite-aircraft laser communication terminal device constitutes the communication overlay of every satellite subtended angle over the ground.
Further,
If the depression angle of the more satellites-aircraft laser communication terminal device is satellite subtended angle over the ground, institute
It states more satellites-aircraft laser communication terminal device and carries out alignment placement in every satellite according to arbitrary arrangement mode；
If the depression angle of the more satellites-aircraft laser communication terminal device is to be opened over the ground less than satellite more than 0 °
Angle, then the more satellites-aircraft laser communication terminal device carried out in every satellite according to the first predetermined arrangement mode
Alignment placement；
If the depression angle of the more satellites-aircraft laser communication terminal device includes being more than 0 ° to be less than satellite over the ground
Subtended angle and satellite subtended angle over the ground, then the more satellites-aircraft laser communication terminal device is according to the second predetermined arrangement side
Formula carries out mixing alignment placement in the satel-lite.
Optionally, the vehicular communication system includes the aircraft-satellite laser communications communicated with satellite
Terminal device, in certain time period, an aircraft-satellite laser communications terminal device is defended with one in multi-satellite
Star is communicatively coupled；
Alternatively,
The vehicular communication system includes at least two aircraft communicated with satellite-satellite laser communications terminals
Equipment, in certain time period, two aircraft-satellites in at least two aircraft-satellite laser communications terminal device
Laser communication terminal device is communicated with two adjacent satellites respectively.
Further,
Earth station's laser communication terminal is one, and earth station's laser communication terminal includes an at least tread
It stands-satellite laser communications terminal device, in certain time period, satellite-earth station's laser of a satellite in multi-satellite is logical
Believe that terminal device is established with an aircraft in described at least one in the earth station-satellite laser communications terminal device
Laser link communicates；
Earth station's laser communication terminal is at least two, and at least two earth stations laser communication terminal includes
An at least tread station-satellite laser communications terminal device, it is whole with earth station laser communication in multi-satellite in certain time period
Hold satellite-earth station's laser communication terminal device of identical quantity satellite respectively with described in each earth station's laser communication terminal
A aircraft-satellite laser communications terminal device at least one stands laser link communication.
Further, earth station's communication system further includes data communication interface, passes through the data-interface and flight
Device service platform central server connects.
Further, the aircraft is fixed wing aircraft, helicopter, aviation balloon, dirigible, unmanned plane, closes on sky
Between aircraft.
Communication system provided by the invention is based on laser communication terminal device, using laser as transmission medium, realizes aircraft
With satellite, the communication connection between satellite and satellite and satellite and ground, since laser communication rate is high, information capacity is big,
10-40Gbps can be reached easily, compared with prior art in radio communication, largely improve aircraft data
Transmission rate and total amount of data so that data transmission is quick, greatly improve passenger online experience.And make flight
The biography down of device airflight data can be realized, on this basis, the aircraft airflight data passed down are carried out on ground
The arrangement and analysis of big data timely find and solve the problems in aircraft flight, can reduce aircraft management and control and
Maintenance cost.And laser space communication link is not limited, the scalability of laser space communication is good without examination ＆ approval by frequency spectrum.
Further, the laser communication terminal device of laser communication is carried out, light source small power consumption, high conversion efficiency, dual-mode antenna is small, is setting
Standby volume, weight have advantage in power consumption.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 shows a kind of structural schematic diagram of communication system provided in an embodiment of the present invention；
Fig. 2 shows a kind of network figures of communication system provided in an embodiment of the present invention；
Fig. 3 shows the schematic diagram of connection type between a kind of satellite communication system Satellite provided in an embodiment of the present invention.
Specific implementation mode
Exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to be best understood from the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
Completely it is communicated to those skilled in the art.
The present invention provides a kind of communication system, as depicted in figs. 1 and 2, including：Satellite communication system 1, aircraft communication system
System 2 and earth station's communication system 3.
Satellite communication system 1, including multi-satellite, the Space laser communications terminal that every satellite is loaded with intersatellite communication are set
It is standby, the satellite-aircraft laser communication terminal device and satellite of satellite and vehicle-to-vehicle communication and defending for ground interior communication
Star-earth station's laser communication terminal device.Based on Space laser communications terminal device by swashing between the more telecommunication satellites
Optical link realizes communication connection.
Wherein, by the rational deployment of the multi-satellite, realize satellite communication system in some orbital plane or certain
The full communication covering of satellite-earth station's ball in region.
In addition, the quantity of the multiple satellite can be determined according to the height and communication overlay degree of satellite-earth station's ball.
Under the premise of communicating all standing, it can also be arranged according to operation demand and operation cost, the specific embodiment of the present invention is to this
It is not limited.
Vehicular communication system 2, including the aircraft communicated with satellite-satellite laser communications terminal of predetermined quantity are set
It is standby；It is communicatively coupled by laser link and satellite communication system based on the aircraft-satellite laser communications terminal device.
The aerial mobile aircraft can be fixed wing aircraft, helicopter, aviation balloon, dirigible, unmanned plane, close to space vehicle
The artificial flying platform such as device, specific it is not limited by the embodiments of the present invention, and other aerospace flight vehicles can also
Including in embodiments of the present invention.
Wherein, vehicular communication system installation on board the aircraft, specifically can be with for example, when the aircraft is aircraft
In the radome fairing of aircraft top surface, the Laser emission of aircraft-satellite laser communications terminal device is gone out through radome fairing
It going, being communicatively coupled with satellite with will pass through laser link.
In addition, the predetermined quantity of the aircraft-satellite laser communications terminal device can be one, or more,
It is specific that it is not limited by the embodiments of the present invention.When for one, the purpose is to realize the communication of aircraft and satellite；When
When being more, it is ensured that when satellite A crosses top, wherein an aircraft-satellite laser communications terminal device is carried out with satellite A
Communication connection, and service area will be left in satellite A, and keep and an aircraft-satellite laser communications terminal equipment in communication
While, by another aircraft-satellite laser communications terminal device communication link is realized with the satellite B that will enter service area
It connects, to realize the uninterrupted communication between aircraft and satellite communication network, realizes the interrupted transmission of aircraft data.
At this it should be noted that when the predetermined quantity of the aircraft-satellite laser communications terminal device is more,
The covering of the pairs of telecommunication satellite upward view angle of elevation angle group of the more aircraft-satellite laser communications terminal device；In satellite
During aircraft communication, certain time period, one in the more aircraft-satellite laser communications terminal device with defend
Star passes through, and realizes the data transmission between aircraft and satellite communication network.
Earth station's communication system 3, earth station's communication system include at least one earth station communicated with satellite
Laser communication terminal, earth station's laser communication terminal include ground-satellite laser communications terminal device, based on describedly
Face-satellite laser communications terminal device is communicated by laser link with satellite communication system.
Wherein, earth station's laser communication terminal in the embodiment of the present invention includes at least one tread-laser satellite
Communication terminal device so that in certain time period, based on the ground-satellite laser communications terminal device by laser link with
Satellite communication system is communicated, the basic transmission for realizing data.
In addition, when implementing the embodiment of the present invention, passed under earth station's laser communication terminal reception multi-satellite to reduce
Data pressure, can multiple earth station's laser communication terminals be set according to operation demand and the data volume of transmission, so as to
It realizes in the same period, multi-satellite leads to multiple earth station's laser communication terminals of earth station's communication system simultaneously respectively
Letter.Earth station's laser communication terminal can be arranged in land, can be arranged in different geographical locations, can also be same
Geographical location is arranged multiple earth station's laser communication terminals, the specific embodiment of the present invention to this without limiting, when implementation, root
It is specifically laid out according to demand.
In the embodiment of the present invention, it is based on laser communication terminal device, using laser as transmission medium, aircraft is realized and defends
Star, the communication connection between satellite and satellite and satellite and ground, since laser communication rate is high, information capacity is big, easily
10-40Gbps can be reached, compared with prior art in radio communication, largely improve the biography of aircraft data
The number of users of defeated rate and service so that aircraft data transmission is quick, greatly improves the experience of passenger's online.And
So that passing down in real time for aircraft magnanimity airflight data has possibility, on this basis, the aircraft flight that will be passed down
The problems in data carry out the arrangement and analysis of big data on ground, timely find and solve aircraft flight, it can reduce
The management and control of aircraft and maintenance cost.And laser space communication link is not limited, laser space communication without examination ＆ approval by frequency spectrum
Scalability it is good.Further, the laser communication terminal device of laser communication, light source small power consumption are carried out, high conversion efficiency is received
It is small to send out antenna, has a clear superiority in equipment volume, weight, power consumption.
Due to the satellite in the embodiment of the present invention be low orbit satellite, limited height of this kind of low orbit satellite apart from the earth, therefore
The communication coverage of the satellite-earth station's ball is limited, and then a satellite cannot achieve predetermined quantity aircraft laser communication
All standing, need the space layout of multi-satellite, the laser communication all standing in presumptive area realized, to realize predetermined number
Measure the laser communication service of aircraft.
Based on above-mentioned principle, when carrying out space layout to multi-satellite, carried out generally according to the flight track face of satellite,
It is logical that laser can be carried out by way of being directly connected to the multi-satellite in same orbital plane, between adjacent satellite
Believe the connection of link；Wherein, this kind is directly connected to the direct transmission determination that mode is easy for laser, the screening for avoiding laser from transmitting
Gear, the mode that this kind is directly connected to can be the connection type of handle type, and specific it is not limited by the embodiments of the present invention,
Or other topographical forms.
It, can also be by way of relay connection at this it should be noted that other than the above-mentioned mode being directly connected to
Carry out the connection of laser communication link.For example, being relayed by high rail satellite between two satellites being in communication with each other；Specifically
, it is not limited by the embodiments of the present invention, can also carry out tandem switching by other satellites or equipment.
Further, it in order to enable the aircraft that satellite communication is more multizone to carry out laser communication service, is carrying out
When the space layout of multi-satellite, the layout of multiple orbital plane satellites may be carried out, such multi-satellite is likely to be at difference
Orbital plane on.In order to realize that being in communication with each other between all multi-satellites, the embodiment of the present invention also provide following satellite layout
And the communication mode between satellite, the communication mode are specially：
Two passings of satelline adjacent in same orbital plane be directly connected to or the mode of relay connection to carry out laser logical
Believe the connection of link；Satellite in different orbital planes, at least a pair of satellite by be directly connected to or relay connection swash
Optical link communicates.
It should be noted that being in the satellite of different orbital planes at this, the inter-satellite on each track is each other phase
What connection connect；Satellite in different orbital planes at least a pair of satellite is communicated to connect by the realization of laser link, can also
Have it is multipair, but be based on operation cost factor, the preferably a pair of satellite of the embodiment of the present invention.For example, as indicated at 3, A satellites are in the
One orbital plane, B satellites are in the second orbital plane, if desired realize the first orbital plane and the intersatellite communication of the second orbital plane, then
A satellites and B satellites can be realized that connection, any satellite in such first orbital plane can be passed data by A satellites
The defeated any satellite in the second orbital plane；Any satellite in second orbital plane, can be by B satellites by data transmission
Any satellite on to the first orbital plane；Based on this kind of Satellite Networking mode, any satellite in the satellite network is realized
Laser communication with earth station, the data of any satellite can realize that communication with earth station passes on wild trajectory face
It is defeated.So that the flexibility of data transmission is more preferable.
It also needs to illustrate at this, the connection type of the different direct satellites of orbital plane, other than being directly connected to,
It can be attached by way of relaying.
Based on above-mentioned explanation, the communication between above-mentioned multi-satellite can be carried out by way of being directly connected to, also may be used
It carries out, can also directly be carried out with the mode of relaying two ways mixing, sheet when specific implementation in a manner of by relay connection
Inventive embodiments are not limited this, can specifically carry out according to demand.
Based on the characteristic of laser linear transmission, laser communication is one-to-one progress, i.e., a satellite-aircraft laser is logical
Letter terminal device is communicatively coupled with a carry-on aircraft-satellite laser communications terminal device, in other words, one
Platform satellite-aircraft laser communication terminal device is at a time only a frame aircraft and provides service.In specific implementation
In the process, it if a satellite will provide laser communication service for multi rack aircraft, needs to load more in a satellite and defend
Star-aircraft laser communication terminal device.
As described above, for every satellite according to the height apart from the earth, there are one the depression angles of covering earth communication,
Think that satellite communication is utilized to the greatest extent, can scan and capture the aircraft communicated with, satellite-aircraft laser
The depression angle of the satellite of communication terminal device-earth station's ball is preferably the subtended angle of satellite-earth station's ball of satellite.According to this
Principle and a satellite can provide for multi rack aircraft services this thinking, and satellite-aircraft laser communication can be arranged
The depression angle of terminal device is satellite subtended angle over the ground, then the satellite-of more satellites subtended angle over the ground can be loaded in a satellite
Aircraft laser communication terminal device, every satellite over the ground subtended angle satellite-aircraft laser communication terminal device complete satellite
The all standing of subtended angle over the ground.It is arranged based on this kind, the more satellites-aircraft laser communication terminal being loaded in every satellite
Equipment can carry out alignment placement according to arbitrary arrangement mode in every satellite.
Further, if a satellite-aircraft laser communication terminal device realizes all standing of satellite subtended angle over the ground,
The thick pointing device dimensional weight of the satellite-aircraft laser communication terminal device is larger, leads to satellite-aircraft laser communication
The quality of terminal device is heavy, volume is big, of high cost, during actually runing, the cost that emits satellite is by weight be in terms of
Unit is calculated, if more satellites being laid out in a satellite-aircraft laser communication terminal device is entirely that satellite is opened over the ground
The satellite at angle-aircraft laser communication terminal device, then under the conditions of same satellite resource, satellite-aircraft laser communication
The quantity of terminal device is few, from the angle of trade benefit and non-optimal.How to accomplish the maximization of communication coverage, can take
The number of vehicles of business is at most and satellite development launch cost is minimum.It is above-mentioned that the embodiment of the present invention provides following method solution
Problem.It is specifically：More satellites-aircraft laser communication terminal device, every satellite-aircraft laser are set in the satel-lite
Communication terminal device covers certain satellite angle of coverage, and the satellite-aircraft laser for the predetermined quantity that every satellite is loaded with is logical
Believe terminal device, the communication overlay of every satellite of composition subtended angle over the ground.Wherein, the subtended angle over the ground is according to the satellite distance earth
The tangent line angle of distance and satellite to the earth determines.
When specifically carrying out the layout of more satellites in every satellite-aircraft laser communication terminal device, may be used but
It is not limited to mode below and realizes which is as follows：The depression angle that satellite-aircraft laser communication terminal device is arranged is
It is less than satellite subtended angle over the ground more than 0 °, then communication overlay the having to should be greater than 0 ° by predetermined quantity of every satellite subtended angle over the ground
Less than satellite over the ground subtended angle satellite-aircraft laser communication terminal device composition.For example, setting satellite-aircraft laser is logical
Believe that the depression angle of terminal device is 30 °, if subtended angle is 120 ° over the ground, then the satellite-that at least 4 depression angles are 30 ° flies
Row device laser communication terminal device forms the communication overlay of every 120 ° of satellite.
Based on the setting of above-mentioned satellite-aircraft laser communication terminal device depression angle, defended for more in carrying out satellite
When the layout of star-aircraft laser communication terminal device, mode below may be employed without limitation of to realize, which packet
It includes：
Multigroup predetermined quantity is arranged in a satellite is more than 0 ° of satellite-aircraft laser for being less than satellite depression angle
Communication terminal device.And the setting for organizing number can be by predetermined communication coverage, the quantity of the aircraft of service determines；Example
Such as, the included angle between two satellites-aircraft laser communication terminal device can be 15 °.Specifically, the embodiment of the present invention
This is not limited.Wherein, the satellite-aircraft laser that 0 ° is less than satellite depression angle that is more than of multigroup predetermined quantity leads to
Believe terminal device specific angle, every group may be the same or different, specifically, the embodiment of the present invention to this also without
Limitation.It is arranged based on this kind, more satellites being loaded in every satellite-aircraft laser communication terminal device composition is multigroup
By the communication battle array for being more than satellite-aircraft laser communication terminal device that 0 ° is less than satellite depression angle and constituting of predetermined quantity
Row.The more satellites-aircraft laser communication terminal device is arranged according to the first predetermined arrangement mode in every satellite
Column Layout.Wherein, which can be the arrays such as rectangular, diamond shape, the specific embodiment of the present invention to this not
It is limited, or other arrangement modes.
Other than above two mode, during the actual implementation embodiment of the present invention, the communication of satellite covering
In range, there is the aircraft in some regions than comparatively dense, distance is shorter, this needs is arranged as possible in the overlay area
The more relatively small satellite of communication service angle of coverage-aircraft laser communication terminal devices；There is the aircraft point in some regions
For cloth than sparse, distance is long, this needs the setting communication service angle of coverage in the coverage relatively large, very
To satellite identical with the predetermined angle of coverage of satellite-aircraft laser communication terminal device.For this kind of demand for services, the present invention
Embodiment also provides following inside satellite satellite-aircraft laser communication terminal device, specially：Multigroup predetermined quantity is set
Be more than 0 ° be less than satellite-aircraft laser communication terminal device of satellite depression angle and defending for the predetermined angle of coverage of satellite
Star-aircraft laser communication terminal device.That is the setting mixing of two kinds of the satellite-aircraft laser communication terminal device makes
With.It is arranged based on this kind, the more satellites-aircraft laser communication terminal device being loaded in every satellite, composition is multigroup
Make a reservation for cover by the 0 ° of satellite-aircraft laser communication terminal device and satellite less than satellite depression angle that is more than of predetermined quantity
The communication array that the satellite of lid angle-aircraft laser communication terminal device is constituted.The more satellites-aircraft laser communication
Terminal device carries out mixing alignment placement in the satel-lite according to the second predetermined arrangement mode.Wherein, second predetermined arrangement mode
Can be the arrays such as rectangular, diamond shape, specific it is not limited by the embodiments of the present invention, or other arrangement sides
Formula.
As described above, a satellite in satellite communication system-aircraft laser communication terminal device, sometime
Network data transmission service is provided for a frame aircraft in section, the embodiment of the present invention is needed when vehicular communication system is arranged
One aircraft-satellite laser communications terminal device is at least set in aircraft.
When an aircraft-satellite laser communications terminal device is arranged in aircraft, in certain time period, described one
Platform aircraft-satellite laser communications terminal device is communicatively coupled with a satellite in multi-satellite.This kind of communication mode
Realize the basic communication of satellite and aircraft.
When the vehicular communication system includes that at least two aircraft-satellite laser communications communicated with satellite are whole
When end equipment, in certain time period, two aircraft-in at least two aircraft-satellite laser communications terminal device
Satellite laser communications terminal device is communicated with two adjacent satellites respectively.This kind of communication mode, may be implemented aircraft
With the uninterrupted communication of satellite, the interrupted transmission of data is realized.The period is the clothes that a satellite will leave aircraft
Be engaged in area, and is kept for the period with an aircraft-satellite laser communications terminal equipment in communication of the aircraft.About uninterrupted
The associated description of communication can refer to the description of other parts of the embodiment of the present invention, will not be described in great detail at this.
As described above, earth station's communication system is in order to realize the upload and download of aircraft data, in order to realize this
Function, the embodiment of the present invention can set earth station's laser communication terminal to one, and earth station's laser is logical
Believe that terminal includes at least one tread-satellite laser communications terminal device, in certain time period, a satellite in multi-satellite
Satellite-earthbound laser communication terminal device and earth station's laser communication terminal in described at least one in a tableland
Face-satellite laser communications terminal device establishes laser link communication.
Although above-mentioned mode can realize the transmission of data, if only one tread-satellite in certain time period
Laser communication terminal device is communicated with satellite, after this satellite crosses top, needs to establish laser with next satellite again
Communication, carries out the transmission of related data later, data transmission between such satellite and ground can only discontinuity progress.
Further, in order to ensure it is continual between satellite and earth station carry out data transmission, the embodiment of the present invention carries
For following method, at least two treads-satellite laser communications terminal device is set in earth station's laser communication terminal,
And in a certain period of time, at the same establish two treads-satellite laser communications terminal device respectively with two adjacent satellites
Laser communication；Wherein, certain time period described at this is the service that a satellite will leave earth station's laser communication terminal
Area, and kept for the period with the one tread-satellite laser communications terminal equipment in communication of earth station's laser communication terminal.
Due to this kind of mode, within an above-mentioned period, two satellites simultaneously with earth station's laser communication terminal
Equipment connection carries out laser communication, and a satellite on one side will leave the server of earth station's laser communication terminal device, and one
While be the server that another satellite will enter earth station's laser communication terminal device, to realize between satellite with earth station
The handing-over of laser communication terminal device communicates, and realizes continual data transmission between satellite and earth station.
Further, when satellite system simultaneously for multi rack aircraft serviced when, have magnanimity data need into
Row transmission, the pressure that earth station's laser communication terminal is transmitted are bigger.In order to further realize the quick of data,
Earth station's laser communication terminal can also be at least two by efficient transmission, the embodiment of the present invention, at least two ground
Laser communication terminal in face station can be arranged in land, can be arranged in different geographical locations, can also be in same geographical position
Install multiple earth station's laser communication terminals, the specific embodiment of the present invention to this without limiting, when implementation, according to demand
Specific layout.
At least two earth stations laser communication terminal may each comprise at least one tread-satellite laser communications terminal
Equipment, can also each be including at least two treads-satellite laser communications terminal device；The specific embodiment of the present invention to this not into
Row limitation.When including at least one tread-satellite laser communications terminal device, in certain time period, in multi-satellite with ground
The satellite of the identical quantity satellite of face station laser communication terminal-earth station's laser communication terminal device respectively with each earth station's laser
One tread-satellite laser communications terminal device in described at least one of communication terminal stands laser link communication, realizes number
According to basic communication；When including at least two treads-satellite laser communications terminal device, as described above, each ground
Laser communication terminal of standing is transmitted for realizing earth station's laser communication terminal of corresponding position and the uninterrupted data of satellite.Tool
The communication mode of body can herein will not be described in great detail with the above-mentioned associated description of parameter, the embodiment of the present invention.
After earth station's communication system receives the aircraft data that satellite issues, need to carry out the data of magnanimity
Analysis, can just have use value, therefore earth station's communication system further includes data communication interface, by the data-interface with
Public internet network connection, including aircraft service platform central server, it is winged convenient for the aircraft data to be sent to
Row device service platform central server, and then realize the analysis and utilization of data.
In the embodiment of the present invention, it is based on laser communication terminal device, using laser as transmission medium, aircraft is realized and defends
Star, the communication connection between satellite and satellite and satellite and ground, since laser communication rate is high, information capacity is big, easily
10-40Gbps can be reached, compared with prior art in radio communication, largely improve the biography of aircraft data
Defeated rate and total amount of data so that data transmission is quick, greatly improves the experience of passenger's online.And so that aircraft is empty
The biography down of middle flying quality can be realized, on this basis, the aircraft airflight data passed down on ground count greatly
According to arrangement and analysis, timely find and solve the problems in aircraft flight, the management and control and maintenance of aircraft can be reduced
Cost.And laser space communication link is not limited, the scalability of laser space communication is good without examination ＆ approval by frequency spectrum.Into one
Step, the laser communication terminal device of laser communication is carried out, light source small power consumption, high conversion efficiency, dual-mode antenna is small, in equipment body
Product, weight have advantage in power consumption.
Also, in the embodiment of the present invention, the satellite that satellite communication system is in communication with each other by more is constituted so that satellite uploads
It is relatively convenient with downloading data.
Further, in the embodiment of the present invention, every satellite can carry multi-satellite-aircraft laser communication terminal and set
It is standby, it realizes that a satellite provides communication service for multi rack aircraft simultaneously, improves the use value of satellite communication, reduce list
User obtains the cost of service.
Further, every satellite is loaded with the more satellites-aircraft laser communication terminal device and could be provided as
The laser communication terminal device of different depression angles so that the laser communication terminal device flexibility of Piggybacking is stronger so that
The operability of operation is strong.Also, the depression angle of the satellite being loaded with due to satellite-aircraft laser communication terminal device is adjustable
Adjusting range is wide, when the depression angle of selection is smaller so that the rotation angle of satellite-aircraft laser communication terminal device
Smaller can reduce the weight of satellite-aircraft laser communication terminal device conversion equipment, to a certain degree from certain levels
On reduce the cost of satellite launch.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, the application can be used in one or more wherein include computer usable program code computer
The computer program production implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, computing device includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable Jie
The example of matter.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology realizes information storage.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic tape cassette, tape magnetic disk storage or other magnetic storage apparatus
Or any other non-transmission medium, it can be used for storage and can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Including so that process, method, commodity or equipment including a series of elements include not only those elements, but also wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
It these are only embodiments herein, be not intended to limit this application.To those skilled in the art,
The application can have various modifications and variations.It is all within spirit herein and principle made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of claims hereof.
Claims (10)
1. a kind of communication system, which is characterized in that including：
Satellite communication system, including multi-satellite, every satellite are loaded with the Space laser communications terminal device of intersatellite communication, defend
Satellite-ground of the satellite of star and vehicle-to-vehicle communication-aircraft laser communication terminal device and satellite and ground interior communication
Face station laser communication terminal device；Laser link is passed through based on Space laser communications terminal device between the more telecommunication satellites
Realize communication；
Vehicular communication system includes the aircraft communicated with satellite-satellite laser communications terminal device of predetermined quantity；
It is communicated with satellite by laser link based on the aircraft-satellite laser communications terminal device；
Earth station's communication system, earth station's communication system include that at least one earth station's laser communicated with satellite is logical
Believe terminal, earth station's laser communication terminal includes earth station-satellite laser communications terminal device, is based on the earth station-
Satellite laser communications terminal device is communicated by laser link with satellite.
2. communication system according to claim 1, which is characterized in that
Every satellite is loaded with the more satellites-aircraft laser communication terminal device, and the more satellite-aircraft swash
Optical communication terminal equipment is arranged according to scheduled communication array.
3. communication system according to claim 2, which is characterized in that
The multi-satellite is in same orbital plane, alternatively, the satellite of the first quantity in the multi-satellite is in the first rail
The satellite in road face, the second quantity is in the second orbital plane；
Two passings of satelline adjacent in same orbital plane be directly connected to or the mode of relay connection carry out laser communication chain
The connection on road；Satellite in different orbital planes, at least a pair of satellite by be directly connected to or relay connection laser chain
Road communicates.
4. communication system according to claim 3, which is characterized in that
Satellite-aircraft laser communication terminal device of predetermined quantity in every satellite be loaded with described more forms every
The communication overlay of satellite subtended angle over the ground.
5. communication system according to claim 4, which is characterized in that
The depression angle that satellite-aircraft laser communication terminal device is arranged is satellite subtended angle over the ground, then each satellite-flight
Device laser communication terminal device constitutes the communication overlay of every satellite subtended angle over the ground；
Alternatively,
The depression angle that satellite-aircraft laser communication terminal device is arranged is to be less than satellite subtended angle over the ground more than 0 °, then makes a reservation for
Quantity platform satellite-aircraft laser communication terminal device constitutes the communication overlay of every satellite subtended angle over the ground.
6. communication system according to claim 5, which is characterized in that
If the depression angle of the more satellites-aircraft laser communication terminal device is satellite subtended angle over the ground, described more
Platform satellite-aircraft laser communication terminal device carries out alignment placement according to arbitrary arrangement mode in every satellite；
If the depression angle of the more satellites-aircraft laser communication terminal device is to be less than satellite subtended angle over the ground more than 0 °,
Then the more satellites-aircraft laser communication terminal device is arranged according to the first predetermined arrangement mode in every satellite
Layout；
If the depression angle of the more satellites-aircraft laser communication terminal device includes being more than 0 ° to be less than satellite subtended angle over the ground
And satellite two kinds of subtended angle over the ground, then the more satellites-aircraft laser communication terminal device is according to the second predetermined arrangement side
Formula carries out mixing alignment placement in the satel-lite.
7. according to the communication system described in any one of claim 1-6, which is characterized in that
The vehicular communication system includes the aircraft communicated with satellite-satellite laser communications terminal device, certain
In one period, an aircraft-satellite laser communications terminal device is communicated with a satellite in multi-satellite
Connection；
Alternatively,
The vehicular communication system includes that at least two aircraft communicated with satellite-satellite laser communications terminals are set
Standby, in certain time period, two aircraft-satellites in at least two aircraft-satellite laser communications terminal device swash
Optical communication terminal equipment is communicated with two adjacent satellites respectively.
8. according to the communication system described in any one of claim 1-6,
Earth station's laser communication terminal is one, and earth station's laser communication terminal is defended including an at least tread station-
Star laser communication terminal device, in certain time period, satellite-earth station's laser communication terminal of a satellite in multi-satellite
Equipment is set with an aircraft-satellite laser communications terminal in described at least one in earth station's laser communication terminal
It is standby to establish laser link communication；
Alternatively,
Earth station's laser communication terminal is at least two, and at least two earth stations laser communication terminal includes at least
One tread station-satellite laser communications terminal device, in certain time period, in multi-satellite with earth station's laser communication terminal phase
With quantity satellite satellite-earth station's laser communication terminal device respectively with described in each earth station's laser communication terminal at least
A aircraft-satellite laser communications terminal device in one stands laser link communication.
9. communication system according to claim 8, which is characterized in that earth station's communication system further includes data communication
Interface is connect by the data-interface with aircraft service platform central server.
10. according to the communication system described in any one of claim 1-6, which is characterized in that the aircraft flies for fixed-wing
Machine, helicopter, aviation balloon, dirigible, unmanned plane, near space vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362281.3A CN108566241A (en) | 2018-04-20 | 2018-04-20 | A kind of communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362281.3A CN108566241A (en) | 2018-04-20 | 2018-04-20 | A kind of communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108566241A true CN108566241A (en) | 2018-09-21 |
Family
ID=63536120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810362281.3A Pending CN108566241A (en) | 2018-04-20 | 2018-04-20 | A kind of communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108566241A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257096A (en) * | 2018-10-30 | 2019-01-22 | 宁波光舟通信技术有限公司 | The method and device of satellite received signal |
| CN109412676A (en) * | 2018-10-30 | 2019-03-01 | 宁波光舟通信技术有限公司 | Signal transmitting method and device between star |
| CN109495175A (en) * | 2018-11-07 | 2019-03-19 | 长沙天仪空间科技研究院有限公司 | A kind of satellite-based laser communication system |
| CN111756430A (en) * | 2020-07-30 | 2020-10-09 | 康佳集团股份有限公司 | Internet communication method, system and terminal equipment based on low-orbit satellite |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040062553A1 (en) * | 2002-09-26 | 2004-04-01 | Harres Daniel N. | Bidirectional optical link |
| CN102413590A (en) * | 2011-08-25 | 2012-04-11 | 西安空间无线电技术研究所 | Global satellite communication system and method |
| EP3079277A1 (en) * | 2015-04-10 | 2016-10-12 | BAE Systems PLC | Apparatus and method for remote communications |
| CN107707297A (en) * | 2017-11-03 | 2018-02-16 | 潘运滨 | A kind of airborne laser communication system and its communication means |
-
2018
- 2018-04-20 CN CN201810362281.3A patent/CN108566241A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040062553A1 (en) * | 2002-09-26 | 2004-04-01 | Harres Daniel N. | Bidirectional optical link |
| CN102413590A (en) * | 2011-08-25 | 2012-04-11 | 西安空间无线电技术研究所 | Global satellite communication system and method |
| EP3079277A1 (en) * | 2015-04-10 | 2016-10-12 | BAE Systems PLC | Apparatus and method for remote communications |
| CN107707297A (en) * | 2017-11-03 | 2018-02-16 | 潘运滨 | A kind of airborne laser communication system and its communication means |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109257096A (en) * | 2018-10-30 | 2019-01-22 | 宁波光舟通信技术有限公司 | The method and device of satellite received signal |
| CN109412676A (en) * | 2018-10-30 | 2019-03-01 | 宁波光舟通信技术有限公司 | Signal transmitting method and device between star |
| CN109495175A (en) * | 2018-11-07 | 2019-03-19 | 长沙天仪空间科技研究院有限公司 | A kind of satellite-based laser communication system |
| CN111641457A (en) * | 2018-11-07 | 2020-09-08 | 长沙天仪空间科技研究院有限公司 | Satellite system based on laser communication |
| CN111641456A (en) * | 2018-11-07 | 2020-09-08 | 长沙天仪空间科技研究院有限公司 | Laser communication method based on satellite |
| CN111756430A (en) * | 2020-07-30 | 2020-10-09 | 康佳集团股份有限公司 | Internet communication method, system and terminal equipment based on low-orbit satellite |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9985718B2 (en) | Methods for providing distributed airborne wireless communications | |
| US11968022B2 (en) | Distributed airborne wireless communication services | |
| US8983455B1 (en) | Apparatus for distributed airborne wireless communications | |
| US9083425B1 (en) | Distributed airborne wireless networks | |
| US9302782B2 (en) | Methods and apparatus for a distributed airborne wireless communications fleet | |
| Alzenad et al. | FSO-based vertical backhaul/fronthaul framework for 5G+ wireless networks | |
| US9973260B2 (en) | Global communication network | |
| Grace et al. | Broadband communications via high altitude platforms | |
| US20160050011A1 (en) | Distributed airborne communication systems | |
| CN108566241A (en) | A kind of communication system | |
| EP3245747B1 (en) | High altitude platform with multibeam coverage for aero-based terminals | |
| CN107508630A (en) | Mix the Adaptive Modulation in delivery vehicle communication system | |
| CN105830489A (en) | Method for distributively delivering two portions of a content on two uplinks of different frequencies to a mobile computing device transported by a vehicle in-flight | |
| CN105765881A (en) | Hybrid communications for devices on vehicles | |
| Abdelsadek et al. | Future space networks: Toward the next giant leap for humankind | |
| US9973268B1 (en) | Reusing frequencies among high altitude platforms | |
| CN105706378A (en) | A method for optimizing modem usage on a vehicle in which a processor determines the port state of the vehicle and with a wireless communication link in a receive state of bandwidth larger than that of the reverse link | |
| Song et al. | Aerial Access Networks: Integration of UAVs, HAPs, and Satellites | |
| CN108337039A (en) | A kind of communication system | |
| CN109039433A (en) | A kind of installed load system of high throughput satellite | |
| Khalifa et al. | High altitude platform for wireless communications and other services | |
| CN208209952U (en) | A kind of communication system | |
| CN108650014A (en) | A kind of communication system | |
| CN108347280A (en) | A kind of communication system | |
| Daurembekova et al. | Opportunities and Limitations of Space-Air-Ground Integrated Network in 6G Systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |