CN108337041A - A kind of vehicular communication system - Google Patents
A kind of vehicular communication system Download PDFInfo
- Publication number
- CN108337041A CN108337041A CN201810362848.7A CN201810362848A CN108337041A CN 108337041 A CN108337041 A CN 108337041A CN 201810362848 A CN201810362848 A CN 201810362848A CN 108337041 A CN108337041 A CN 108337041A
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- Prior art keywords
- aircraft
- satellite
- laser
- terminal device
- communications terminal
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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
-
- 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
- H04B7/18502—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
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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)
- Electromagnetism (AREA)
- Radio Relay Systems (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of vehicular communication systems, are related to technical field of laser communication, and main purpose is to realize the laser communication between aircraft and satellite.A kind of vehicular communication system of the present invention, including at least one aircraft satellite laser communications terminal device, electric cabinet, radome fairing and the holder with vibration-damping function；The aircraft satellite laser communications terminal device is communicated by laser link with satellite communication system；The electric cabinet is used for aircraft satellite laser communications power terminal equipment, provides control instruction and information flow；The radome fairing is at least partly transparent structure, is covered on the outside of the aircraft satellite laser communications terminal device.Present invention is mainly used for the data transmissions of aircraft.
Description
Technical field
The present invention relates to a kind of technical field of laser communication, more particularly to aircraft communication in a kind of laser communication network
System.
Background technology
Currently, air communications is mainly realized by microwave satellite.When being communicated by the Microwave Radio, due to nothing
Line electric frequency is the basis that aviation aircraft and inter-satellite are able to normal communication, is the channel of information transmission, in order to prevent satellite
Between electromagnetic interference, need to keep the certain intervals of communication frequency to carry out frequency isolation, therefore radio-frequency spectrum is by International Telecommunication Association
(ITU) and the stringent management and control of national governments.In addition, radio communication has that frequency spectrum saturation and communication bandwidth are limited,
It is difficult to meet the high-speed transfer demand of mass data, more cannot achieve aircraft itself magnanimity flying quality (single rack aircraft
10GB/s magnitudes) real-time Transmission.
Therefore, also occur now some using laser communication link come carry out satellite and earth station communication communication system
System, although laser space communication has a clear superiority, such as with high data rate, large capacity and high confidentiality etc. are special
Property.But the beam divergence angle of laser is relatively narrow, a general laser beam other laser communication terminals can only be led to one
Letter；It is typically provided with a laser communication terminal in a current satellite, to realize that synchronization, satellite are multiple laser communications
Terminal service can only realize that this kind of mode cost is high by way of emitting multi-satellite.Along in aircraft flight
Allow comprehensive relieving using intelligent mobile terminal, how to be provided for the user using intelligent mobile terminal on aircraft quick, low
The network service of valence becomes current aerospace field urgent problem to be solved.
Invention content
The present invention provides a kind of vehicular communication system for laser communication network, is mainly installed on the aircraft such as aircraft
On, carry out laser communication for realizing between the laser communication terminal on aircraft and satellite, realize aircraft networking and
The transmission of aircraft oneself state data.
Technical solution is used by the present invention solves above-mentioned technical problem：
A kind of vehicular communication system, which is characterized in that including:
At least one aircraft-satellite laser communications terminal device, electric cabinet, radome fairing and the branch with vibration-damping function
Frame；
The aircraft-satellite laser communications terminal device is communicated by laser link with satellite；
The electric cabinet is used for aircraft-satellite laser communications power terminal equipment, provides control instruction and information flow；
The radome fairing is at least partly transparent structure, is covered in outside the aircraft-satellite laser communications terminal device
Side.
Further, as an embodiment of the present invention, the aircraft-satellite laser communications terminal device is one
Platform, and the satellite in predetermined amount of time in every satellite-aircraft laser communication terminal device is defended with an aircraft-
Star laser communication terminal device is communicatively coupled.
Further, as an alternative embodiment of the invention, the aircraft-satellite laser communications terminal device is extremely
It is two few；
Satellite-aircraft laser communication terminal device in predetermined first time period in the first satellite and the in aircraft
One aircraft-satellite laser communications terminal device establishes communication connection；
When the first satellite will leave the service area to the aircraft, and holding and the first flight in the aircraft
While device-satellite laser communications terminal device establishes communication connection, satellite-aircraft laser communication terminal in the second satellite
Equipment is established with the second aircraft-satellite laser communications terminal device in aircraft and is communicated to connect.
Further, the elevation angle size of at least one aircraft-satellite laser communications terminal device is identical or not
Together.
Further, at least one aircraft-satellite laser communications terminal device in aircraft according to predetermined
Communication array arrangement.
Further, the matrix shape that the scheduled communication array is n × n arranges, and n is the natural number more than 2；
Alternatively, the scheduled communication array is circular array, square array or diamond shape array.
Further, at least one aircraft-satellite laser communications terminal device divides at equal intervals in aircraft
Cloth or unequal interval distribution.
Further, further include that at least one aircraft-aircraft laser is logical in order to which laser network communication is better achieved
Believe terminal device, realizes laser network for being connected by laser link between aircraft, realize the mutual transmission of data.
Further, further include being set to carry-on control system, be used for when breaking down and automatic system failure,
Vehicular communication system is artificially manually controlled and adjusted.
Further, the aircraft is fixed wing aircraft, helicopter, aviation balloon, dirigible, nobody or near space
Aircraft.
Compared with prior art, the vehicular communication system of laser communication network provided by the invention is based on laser communication
Terminal device realizes the communication connection between aircraft and satellite using laser as transmission medium, since laser communication rate is high,
Information capacity is big, can reach 10-40Gbps easily, compared with prior art in radio communication, largely improve
The transmission rate of aircraft data so that data transmission is quick, greatly improves the experience of passenger's online.
And every satellite includes the laser communication terminal device over the ground of satellite and ground interior communication again, so as to satellite with
Earth station equipment establishes laser communication, so as to pass through the network resource data of aircraft data and ground upload
The laser link of foundation is transmitted so that aircraft is no longer an information island, data can be collected, transmit and
The problems in analysis and utilization, timely find and solve aircraft flight, significantly reduce management and control and the dimension of aircraft
Protect cost.
Further, laser space communication link is not limited, the scalability of laser space communication without examination ＆ approval by frequency spectrum
It is good.
Further, the laser communication terminal device of laser communication, light source small power consumption, high conversion efficiency, transmitting-receiving are carried out
Antenna is small, has advantage in equipment volume, weight, power consumption.
Description of the drawings
Fig. 1 is the schematic diagram of the laser communication network of the embodiment of the present invention；
Fig. 2 is the composition schematic diagram of the vehicular communication system of the embodiment of the present invention.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
As shown in Figure 1, a kind of laser communication network, including satellite communication system 1, vehicular communication system 2.
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, satellite-aircraft laser communication terminal device of satellite and vehicle-to-vehicle communication and pair of satellite and ground interior communication
Ground laser communication terminal device；Laser link reality is passed through based on Space laser communications terminal device between the more telecommunication satellites
Now communicate to connect.
Wherein, by the rational deployment of the multi-satellite, realize satellite communication system in some orbital plane or certain
The full communication of the earth is covered in region.
In addition, the quantity of the multiple satellite can determine the height and communication overlay degree of the earth according to satellite.
Communicate all standing under the premise of, can also according to operation demand and operation cost be arranged, the specific embodiment of the present invention to this not
It is limited.
As shown in Fig. 2, being vehicular communication system 2, include the aircraft-satellite of predetermined quantity communicated with satellite
Laser communication terminal device and electric cabinet, the electric cabinet are used for the power supply of laser communication terminal, provide control instruction and information
Stream, and the holder with vibration-damping function and cover in the radome fairing on the outside of the aircraft-satellite laser communications terminal device.It is based on
The aircraft-satellite laser communications terminal device is communicatively coupled by laser link and satellite communication system.The sky
Middle mobile aircraft can be fixed wing aircraft, helicopter, aviation balloon, dirigible, unmanned plane, near space vehicle et al.
Flying platform is made, specific it is not limited by the embodiments of the present invention, and other aerospace flight vehicles can also be included in
In the embodiment of the present invention.
Since aircraft is generally in dynamic flying state, the vibration of aircraft can influence aircraft-laser satellite
The stability of communication terminal device causes the offset of laser optical path, and therefore, the aircraft-satellite laser communications terminal device needs
It to be set on the holder with vibration-damping function, to reduce the vibration of aircraft to aircraft-satellite laser communications terminal device
It influences.
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 of the first aircraft-satellite laser communications terminal device is sent out through radome fairing
It being shot out, being communicatively coupled with satellite communication system with will pass through laser link.The radome fairing is at least partly transparent
Structure.
In the embodiment of the present invention, it is based on laser communication terminal device, using laser as transmission medium, realizes aircraft and satellite
Between communication connection, since laser communication rate is high, information capacity is big, can reach 10-40Gbps easily, compares existing skill
Radio communication in art largely improves the transmission rate of aircraft data and the number of users of service so that
Data transmission is quick, greatly improves the experience of passenger's online.
Further, the predetermined quantity of the aircraft-satellite laser communications terminal device can be one, or more
Platform, specific it is not limited by the embodiments of the present invention.When for one, the purpose is to realize the logical of aircraft and satellite
Letter；When for more, it is ensured that spend a certain moment on top in satellite, two aircraft-satellite laser communications terminal device point
Be not communicatively coupled with two satellites, realize aircraft and satellite uninterrupted communication, realize mobile terminal data not between
Stealpass is defeated.
It is at this it should be noted that described when the predetermined quantity of the aircraft-satellite laser communications terminal device is one
Platform, it is preferred that the elevation angle of an aircraft-satellite laser communications terminal device should be more than or equal to opening over the ground for satellite
Angle, the elevation angle are the symmetrical cone angle centered on an axle center；A satellite-aircraft in predetermined amount of time in every satellite swashs
Optical communication terminal equipment is communicatively coupled with an aircraft-satellite laser communications terminal device.
When the predetermined quantity of the aircraft-satellite laser communications terminal device is at least two, the more aircraft-
The covering of the pairs of telecommunication satellite of elevation angle group of satellite laser communications terminal device subtended angle over the ground；In predetermined first time period
Satellite-aircraft laser communication terminal device in one satellite and the first aircraft-satellite laser communications terminal in aircraft
Equipment establishes communication connection.
When the first satellite will leave the service area to the aircraft, and holding and the first flight in the aircraft
While device-satellite laser communications terminal device establishes communication connection, satellite-aircraft laser communication terminal in the second satellite
Equipment is established with the second aircraft-satellite laser communications terminal device in aircraft and is communicated to connect.For example, crossing top in satellite A
When, wherein the first aircraft-satellite laser communications terminal device is communicatively coupled with satellite A, and clothes will be left in satellite A
Be engaged in area, and while holding and the first aircraft-satellite laser communications terminal equipment in communication, by the second aircraft-laser satellite
Communication terminal device is realized with the satellite B that will enter service area and is communicated to connect, to realize aircraft and satellite communication network
Between uninterrupted communication, realize the interrupted transmission of aircraft data.
It should be pointed out that when the aircraft-satellite laser communications terminal device is at least two, this at least two flights
The elevation angle of device-satellite laser communications terminal device may be the same or different, and more aircraft-satellite laser communications
The elevation angle of terminal device can be overlapped, and can not also be overlapped.The elevation angle of more aircraft-satellite laser communications terminal device can be with
It is identical, and scanning range can also be identical.
Also, when the aircraft-satellite laser communications terminal device is at least two, which swashs
Optical communication terminal equipment is arranged according to scheduled communication array on board the aircraft, which can be matrix
Array, the matrix shape for being n × n arrange, and n is the natural number more than 2；Alternatively, the scheduled communication array be circular array,
Square array or diamond shape array.Moreover, this at least two aircraft-satellite laser communications terminal device can be set to same installation
On face, or it can also be set on different mounting surfaces, when being set on same mounting surface, which can be a plane,
It can be the mounting surface of spherical convex surface, spherical concave surface or other shapes.
Furthermore, it is desirable to which, it is noted that the vehicular communication system can also include at least one aircraft-aircraft laser
Communication terminal device realizes laser network for being connected by laser link between aircraft, realizes the mutual transmission of data.
The aircraft-aircraft laser communication terminal device can be set to the side or top surface of aircraft, and the aircraft-aircraft
The scanning angle of laser communication terminal device can be 180 degree.The aircraft-aircraft laser communication terminal device can be extremely
It is one few, it can also individually be set in radome fairing, it can also be to be set to one simultaneously with aircraft-satellite laser communications terminal device
It in a radome fairing, can be arranged on the holder of individual vibration-damping function, can also be set with aircraft-satellite laser communications terminal
It is standby to be set on same holder.
Herein it should be noted that the vehicular communication system can also include being set to carry-on control system, use
In when breaking down and automatic system failure, vehicular communication system is artificially manually controlled and adjusted.
The embodiment of the present invention may be implemented to be communicated using laser communication link between satellite, aircraft, instead of
The communication between satellite and aircraft is realized conventionally by microwave, has evaded the problem of radio-frequency spectrum control.In addition, due to laser
Communication has transmission rate fast (more than 1Gbps), with roomy, and information capacity is big, is conducive to solution aircraft, especially airline carriers of passengers
The requirement of mass data transmission.
Although the preferred embodiment of the present invention described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.Appoint made by all within the spirits and principles of the present invention
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of vehicular communication system, which is characterized in that including:
At least one aircraft-satellite laser communications terminal device, electric cabinet, radome fairing and the holder with vibration-damping function；
The aircraft-satellite laser communications terminal device is communicated by laser link with satellite；
The electric cabinet is used for aircraft-satellite laser communications power terminal equipment, provides control instruction and information flow；
The radome fairing is at least partly transparent structure, is covered on the outside of the aircraft-satellite laser communications terminal device.
2. vehicular communication system as described in claim 1, which is characterized in that the aircraft-satellite laser communications terminal
Equipment is one, and the satellite in predetermined amount of time in every satellite-aircraft laser communication terminal device and described one
Aircraft-satellite laser communications terminal device is communicatively coupled.
3. vehicular communication system as described in claim 1, which is characterized in that the aircraft-satellite laser communications terminal
Equipment is at least two；
Satellite-aircraft laser communication terminal device in predetermined first time period in the first satellite flies with first in aircraft
Row device-satellite laser communications terminal device establishes communication connection；
When the first satellite will leave the service area to the aircraft, and holding and the first aircraft-in the aircraft
While satellite laser communications terminal device establishes communication connection, satellite-aircraft laser communication terminal in the second satellite is set
Standby the second aircraft-satellite laser communications terminal device with aircraft, which is established, to be communicated to connect.
4. vehicular communication system as claimed in any one of claims 1-3, it is characterised in that：At least one flight
The elevation angle size of device-satellite laser communications terminal device is identical or different.
5. vehicular communication system as claimed in any one of claims 1-3, it is characterised in that：At least one flight
Device-satellite laser communications terminal device arranges in aircraft according to scheduled communication array.
6. vehicular communication system as claimed in any one of claims 1-3, it is characterised in that：The scheduled communication array
It is arranged for the matrix shape of n × n, n is the natural number more than 2；
Alternatively, the scheduled communication array is circular array, square array or diamond shape array.
7. vehicular communication system as claimed in any one of claims 1-3, it is characterised in that：At least one flight
Device-satellite laser communications terminal device be spacedly distributed in aircraft or unequal interval distribution.
8. vehicular communication system as described in claim 1, it is characterised in that：It further include at least one aircraft-aircraft
Laser communication terminal device realizes laser network for being connected by laser link between aircraft, realizes the mutual of data
Transmission.
9. vehicular communication system as described in claim 1, it is characterised in that：Further include being set to carry-on manipulation to be
System, for when breaking down and automatic system failure, vehicular communication system artificially being manually controlled and being adjusted.
10. vehicular communication system as described in claim 1, it is characterised in that：The aircraft is fixed wing aircraft, goes straight up to
Aircraft, aviation balloon, dirigible, nobody or near space vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362848.7A CN108337041A (en) | 2018-04-20 | 2018-04-20 | A kind of vehicular communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362848.7A CN108337041A (en) | 2018-04-20 | 2018-04-20 | A kind of vehicular communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108337041A true CN108337041A (en) | 2018-07-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810362848.7A Pending CN108337041A (en) | 2018-04-20 | 2018-04-20 | A kind of vehicular communication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698721A (en) * | 2018-11-07 | 2019-04-30 | 长沙天仪空间科技研究院有限公司 | A kind of satellite laser communications system |
| CN110087234A (en) * | 2019-04-28 | 2019-08-02 | 清华大学 | A kind of unmanned plane formation secure communication of network method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253964A (en) * | 2015-06-09 | 2016-12-21 | 北京信威通信技术股份有限公司 | Mobile communication system based on Constellation of Low Earth Orbit Satellites network and method |
| CN107579768A (en) * | 2017-10-12 | 2018-01-12 | 丛聪 | A kind of air control system based on wireless laser communication |
| 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 CN201810362848.7A patent/CN108337041A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253964A (en) * | 2015-06-09 | 2016-12-21 | 北京信威通信技术股份有限公司 | Mobile communication system based on Constellation of Low Earth Orbit Satellites network and method |
| CN107579768A (en) * | 2017-10-12 | 2018-01-12 | 丛聪 | A kind of air control system based on wireless laser communication |
| CN107707297A (en) * | 2017-11-03 | 2018-02-16 | 潘运滨 | A kind of airborne laser communication system and its communication means |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698721A (en) * | 2018-11-07 | 2019-04-30 | 长沙天仪空间科技研究院有限公司 | A kind of satellite laser communications system |
| CN109698721B (en) * | 2018-11-07 | 2020-05-15 | 长沙天仪空间科技研究院有限公司 | Satellite laser communication system |
| CN111654325A (en) * | 2018-11-07 | 2020-09-11 | 长沙天仪空间科技研究院有限公司 | Satellite laser communication method |
| CN111654325B (en) * | 2018-11-07 | 2021-08-03 | 长沙天仪空间科技研究院有限公司 | Satellite laser communication method |
| CN110087234A (en) * | 2019-04-28 | 2019-08-02 | 清华大学 | A kind of unmanned plane formation secure communication of network method and system |
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