CN103297138B - PCS Personal Communications System in aircraft based on optic communication - Google Patents
PCS Personal Communications System in aircraft based on optic communication Download PDFInfo
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- CN103297138B CN103297138B CN201210051044.8A CN201210051044A CN103297138B CN 103297138 B CN103297138 B CN 103297138B CN 201210051044 A CN201210051044 A CN 201210051044A CN 103297138 B CN103297138 B CN 103297138B
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Abstract
The present invention relates to PCS Personal Communications System in a kind of aircraft based on optic communication, and it includes communication terminal, airborne communication control, telecommunication satellite and ground base station.The airborne communication control is set on board the aircraft, and for being communicated with communication terminal and telecommunication satellite, wherein, signal transmission is carried out by optical signal between the airborne communication control and the communication terminal；The ground base station is communicated with the telecommunication satellite and terrestrial communication networks.The present invention by optical signal between the airborne communication control and the communication terminal by will carry out signal transmission, then the aircraft such as the wave frequency of communication equipment and aircraft and the wave frequency that control tower contacts be not close or is superimposed, optical signal will not be treated as the operation signal that control tower is sent, maloperation thus will not be caused, so as to realize, any communication between ground, aircraft are safer in the air.
Description
Technical field
The present invention relates to PCS Personal Communications System in a kind of communication system, more particularly to a kind of aircraft based on optic communication.
Background technology
According to statistics, annual all generations cause more than 20 uses flight thing caused by mobile phone in world wide in recent years
Therefore therefore many airlines regulation in the world, prohibit the use of mobile phone during aircraft flight.Aircraft is along rule in the air in height
Fixed course flight, whole flight course is subjected to the commander of ground aviation administrative staff.On high aerial, pilot one side
Drive an airplane, while being got in touch with the communication navigation set on aircraft and ground control tower.Navigation equipment on aircraft is to utilize
Radio wave carrys out direction finding navigation, after it receives the electromagnetic wave that ground control tower is constantly launched, with regard to that can measure the accurate of aircraft
Position.If it find that aircraft deviate from course, automatic pilot will automatic " correction " mistake immediately, make aircraft normal flight.
When mobile phone works, it can give off electromagnetic wave, and the wave frequency and aircraft that mobile phone uses with
Control tower contact wave frequency have one section be it is close in addition superposition, the operation signal that control tower is sent may be treated as, made
Into maloperation.For example when aircraft declines, control tower requires that aircraft spirals or risen, if also having airplane below, if but now
There is mobile phone electromagnetic wave signal to come in, influence or be superimposed upon on airplane operation signal, the operation signal for receiving control room
Become to decline, so major accident may will occur.Therefore, how aboard using the communication equipments such as mobile phone and ground
Face carries out free communication, it has also become current problem urgently to be resolved hurrily.
The content of the invention
The technical problems to be solved by the invention are, for above-mentioned the deficiencies in the prior art, propose a kind of safer
PCS Personal Communications System in aircraft based on optic communication.
The technical solution adopted for the present invention to solve the technical problems is, individual in a kind of aircraft based on optic communication of proposition
People's communication system, it includes communication terminal, airborne communication control, telecommunication satellite and ground base station, and the airborne communication control is set
Put on board the aircraft, and for being communicated with communication terminal and telecommunication satellite, wherein, the airborne communication control leads to described
Signal transmission is carried out by optical signal between letter terminal；The ground base station is carried out with the telecommunication satellite and terrestrial communication networks
Communication.
Further, the communication terminal is portable mobile device or the landline telephone being arranged in aircraft.
Further, the portable mobile device is mobile phone, notebook computer, E-book reader or paging
Machine.
Further, the aircraft includes aircraft, helicopter, aerodone or dirigible.
Further, the communication terminal includes signal processing unit, terminal optical signal launch unit and terminal optical signal
Receiving unit, the terminal optical signal launch unit are used to change the electric signal exported after the signal processing unit processes
Gone out into optical signal launch, the terminal optical signal receiving unit is used to the optical signal that airborne communication control is transmitted through being converted into
Electric signal transmission is to the signal processing unit.
Further, the terminal optical signal launch unit includes modulator, driver and luminescent device, the modulator
Receive the coded data of the signal processing unit and be converted into level modulated signals, the driver is believed in level modulation
Number control under drive luminescent device transmitting the optical signal containing information.
Further, the luminescent device is light emitting diode or infrared emission tube.
Further, the terminal optical signal receiving unit includes photodetector and signal amplifier, and the photoelectricity is visited
Device is surveyed to be used to the optical signal that the airborne communication control is launched being converted into electric signal；The signal amplifier is used for by described in
The electric signal amplification of photodetector output, and it is sent to the signal processing unit.
Further, the airborne communication control includes airborne optical signal receiving unit, airborne optical signal launch unit, handed over
Change planes unit, router unit and antenna, the airborne optical signal receiving unit is used to communication terminal being transmitted through the optical signal that comes
Electric signal transmission is converted into the switch unit；The airborne optical signal launch unit is used for switch unit output
Electric signal is converted into optical signal launch and gone out；The switch unit is used to provide data forwarding service；The router unit
It is connected with the interchanger and antenna, and for providing route service；The antenna is used to be communicated with satellite.
Further, the antenna is Super-material antenna, and the Super-material antenna includes antenna body and positioned at the day
The metamaterial panel of line body side, if the metamaterial panel is provided with dried layer, each layer by sheet substrate and be arranged on
Multiple artificial metal's micro-structurals composition in the substrate.
In summary, in the aircraft based on optic communication of the invention PCS Personal Communications System by by the airborne communication control
Between the communication terminal by optical signal carry out signal transmission, then the aircraft such as the wave frequency of communication equipment and aircraft with
The wave frequency of control tower contact will not be close or is superimposed, and optical signal will not be treated as the operation signal that control tower is sent, thus
Maloperation will not be caused, any communication between ground, aircraft are safer in the air so as to realize.
Brief description of the drawings
Fig. 1 is a kind of theory diagram of embodiment of PCS Personal Communications System in the aircraft of the invention based on optic communication.
Fig. 2 is the theory diagram of communication terminal of the present invention shown in Fig. 1.
Fig. 3 is the theory diagram of airborne communication control of the present invention shown in Fig. 1.
Fig. 4 is the structural representation of inventive antenna shown in Fig. 1.
Fig. 5 is the structural representation of the metamaterial panel of inventive antenna shown in Fig. 4.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention will be further described：
Referring to Fig. 1, PCS Personal Communications System includes communication terminal 1, airborne logical in the aircraft based on optic communication of the invention
Believe equipment 2, telecommunication satellite 3 and ground base station 4, wherein, the aircraft can be aircraft, helicopter, aerodone or dirigible etc.
The equipment for carrying people that can be flown in the air；The communication terminal 1 can be portable mobile device or be arranged on flight
Landline telephone in device, the portable mobile device can be mobile phone, notebook computer, E-book reader or paging
Machine etc..In the present embodiment, the aircraft is aircraft, and the communication terminal 1 is mobile phone.
Referring to Fig. 2, the communication terminal 1 includes signal processing unit 11, terminal optical signal launch unit 12 and terminal
Optical signal receiving unit 13.The signal processing unit 11 is used to handle the signals such as voice and data.The terminal optical signal hair
Penetrate unit 12 to go out for the electric signal exported after the signal processing unit 11 is handled to be converted into optical signal launch, it is wrapped
Modulator 121, driver 122 and luminescent device 123 are included, the modulator 121 receives the coding of the signal processing unit 11
Data are simultaneously converted into level modulated signals, and the driver 122 drives luminescent device under the control of level modulated signals
123 optical signals of the transmitting containing information, i.e., described luminescent device 123 constantly dodge and gone out, and formation represents 0 and 1 data signal.Due to
The continuous sudden strain of a muscle that the luminescent device 123 carries out high frequency is gone out, and human eye is difficult to feel to obtain, therefore the passenger in cabin will not be caused
Adverse effect, it may, furthermore, provide illumination.
The terminal optical signal receiving unit 13 is used to the optical signal that airborne communication control 2 is transmitted through being converted into electric signal
Transmit to the signal processing unit 11, it includes photodetector 132 and signal amplifier 131, the photodetector 132
Optical signal for the airborne communication control 2 to be launched is converted into electric signal.The photodetector 132 is arranged on movement
The end face of phone, thus be easy to receive optical signal.The signal amplifier 131 is used for export the photodetector 132
Electric signal amplifies, and is sent to the signal processing unit 11.
Referring to Fig. 3, the airborne communication control 2 is set on board the aircraft, and it is used for and communication terminal 1 and telecommunication satellite
3 are communicated, and it includes airborne optical signal receiving unit 21, airborne optical signal launch unit 22, switch unit 23, router
Unit 24 and antenna 25.The airborne optical signal receiving unit 21 is used to the optical signal that communication terminal 1 is transmitted through being converted into electricity
Signal is transmitted to the switch unit 23, and it includes photodetector 211 and signal amplifier 212, the photodetector
211 are used to the optical signal that the communication terminal 1 is launched being converted into electric signal；The signal amplifier 212 is used for by described in
The electric signal amplification that photodetector 211 exports, and it is sent to the switch unit 23.
The airborne optical signal launch unit 22 is used to the electric signal that switch unit 23 exports being converted into optical signal hair
It is shot out, it includes modulator 221, driver 222 and luminescent device 223, and the modulator 221 receives the switch unit
Datagram No. 23 is simultaneously converted into level modulated signals, and the driver 222 drives under the control of level modulated signals
Dynamic luminescent device 223 launches the optical signal containing information.The luminescent device (123,223) can be light emitting diode or infrared
Line transmitting tube, in the present embodiment, the luminescent device (123,223) is light emitting diode, and the light emitting diode has bright
Low height, operating voltage, small power consumption are spent, is easily integrated, driven simple, long lifespan, impact resistance, stable performance and high velocity modulation can be carried out
The advantages that processed.The switch unit 23 is used to provide data forwarding service.The router unit 24 and the interchanger and
Antenna 25 connects, and for providing route service.
Refer to Fig. 4 and Fig. 5, the antenna 25 is used to be communicated with telecommunication satellite 3, it include antenna body 251 and
Metamaterial panel 252 positioned at the front end side of antenna body 251, the antenna body 251 is provided with oscillator 2511, described
Metamaterial panel 252 is located at the side of the oscillator 2511.If the metamaterial panel 252 is provided with dried layer, each layer is by piece
The substrate 253 of shape and the multiple artificial metal's micro-structurals 254 being arranged in the substrate 253 form.The substrate 253 can be
Ceramic material, epoxy resin or polytetrafluoroethylene (PTFE), high polymer material, ferroelectric material, ferrite material, ferromagnetic material etc..The people
Metal micro structure 254 is made to be made up of materials such as copper or silver, it is by etching, electroplating, carve, photoetching, electronics are carved or ion is carved etc.
Technique is attached in the substrate 253, from Meta Materials technology, in the case where base material is selected, by adjusting artificial metal
Pattern, size and its spatial distribution on base material of micro-structural 254, can adjust effective dielectric constant everywhere on Meta Materials
And equivalent permeability, and then change the equivalent refractive index of Meta Materials everywhere.When artificial metal's micro-structural 254 uses identical geometry
During shape, the size of somewhere artificial metal's micro-structural 254 is bigger, then the effective dielectric constant at this and equivalent permeability are bigger,
Refractive index is also bigger.
By the electromagnetic wave that feed is sent after metamaterial panel 252 converges during parallel outflow, deflection angle θ and refractive index
Relation is：Sin θ=q Δ n, wherein q are the numbers of axially aligned artificial metal's micro-structural, and Δ x represents adjacent cells
Refractive index variable quantity, and 0<q·Δx<1, as shown from the above formula, the refractive index variable quantity of adjacent cells is big in metamaterial unit
When small identical, identical for being transferred to the deflection angle of electromagnetic wave of the position, refractive index variable quantity is bigger, and deflection angle is bigger.Material
Following relation be present with its dielectric constant and magnetic conductivity in the refractive index of material：Wherein k is proportionality coefficient, and k values are
Positive and negative 1, ε is the dielectric constant of material, and u is the magnetic conductivity of material, passes through the dielectric to every bit in the space of metamaterial panel 252
Constant ε and magnetic permeability μ careful design, it is possible to achieve the parallel injection after Meta Materials reflect by the electromagnetic wave that emission source is sent
Converge characteristic.
In the present embodiment, the pattern of artificial metal's micro-structural 254 of use is I-shaped in substrate 253 in I-shaped
The size of artificial metal's micro-structural 254 tapers into from center to surrounding, at the center of substrate 253, I-shaped artificial metal
The size of micro-structural 254 is maximum, and the size phase of I-shaped artificial metal's micro-structural 254 at distance center same radius
Together, therefore the effective dielectric constant of substrate 253 and equivalent permeability are tapered into from centre to surrounding, and middle equivalent dielectric is normal
Number and equivalent permeability are maximum, thus the refractive index of substrate 253 tapers into from centre to surrounding, and the refractive index of center section is most
Greatly.By adding the metamaterial panel 252 in the front end side of antenna body 251, so that will be most of caused by radiating doublet
Electromagnetic wave is reflected via metamaterial panel 252 and converged to same direction, so as to greatly reduce the width of radiated wave lobe, is made
The gain of antenna 25 is significantly improved, and greatly strengthen the signal intensity of antenna 2525, and transmission reliability is high, signal transmission away from
From length, thus it is suitable for various rugged environments.
The present invention operation principle be：When passenger is intended to be conversed by mobile phone in aircraft, by the movement
Phone is arranged to " aerial call " pattern, i.e., the pattern to be communicated by optical signal, then the terminal optical signal launch unit
12 and terminal optical signal receiving unit 13 work.The signal processing module 11 of the mobile phone is by voice signal when passenger converses
Digital electric signal is converted into, and sends the terminal optical signal launch unit 12 to.The terminal optical signal launch unit 12 will
The digital electric signal is converted into optical signal launch and gone out.The airborne optical signal receiving unit 21 of the airborne communication control 2 connects
After receiving the optical signal, the optical signal is converted into electric signal, according to order through the switch unit 23 and router unit
24, most launch afterwards through the antenna 25, frequency range of the frequency that the antenna 25 is launched in L-band.The communication is defended
After star 3 receives the signal that the antenna 25 is launched, the signal is transmitted to ground base station 4, the ground base station 4 is by described in
Signal is transmitted to terrestrial communication networks, by the terrestrial communication networks, so as to realize the logical of the communication terminal 1 in aircraft and ground
Letter terminal 5 is communicated.Wherein, the frequency to be communicated between the telecommunication satellite 3 and the ground base station 4 is in KuThe frequency of wave band
Scope.Call can not only be realized by the communication terminal 1, can also send e-mails, shopping online and suscribe to hotel etc. on the net, its
Principle is similar to above-mentioned mobile phone communications, will not be repeated here.
In summary, in the aircraft based on optic communication of the invention PCS Personal Communications System by by the airborne communication control
Signal transmission is carried out by optical signal between 2 and the communication terminal 1, then the wave frequency of airborne communication control 2 and aircraft with
The wave frequency of control tower contact will not be close or is superimposed, and optical signal will not be treated as the operation signal that control tower is sent, thus
Maloperation will not be caused, any communication between ground, aircraft are safer in the air so as to realize.
Presently preferred embodiments of the present invention is described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, the ordinary skill of this area
Personnel in the case of present inventive concept and scope of the claimed protection is not departed from, can also make under the enlightenment of the present invention
Many forms, these are belonged within protection scope of the present invention.
Claims (8)
- A kind of 1. PCS Personal Communications System in aircraft based on optic communication, it is characterised in that：Set including communication terminal, airborne communication Standby, telecommunication satellite and ground base station, the airborne communication control are set on board the aircraft, and for being defended with communication terminal and communicating Star is communicated, wherein, signal transmission is carried out by optical signal between the airborne communication control and the communication terminal；It is described Ground base station is communicated with the telecommunication satellite and terrestrial communication networks；The airborne communication control includes airborne optical signal receiving unit, airborne optical signal launch unit, switch unit, route Device unit and antenna, the airborne optical signal receiving unit are used to the optical signal that communication terminal is transmitted through being converted into electric signal biography Transport to the switch unit；The airborne optical signal launch unit is used to the electric signal of switch unit output being converted into light Signal is launched；The switch unit is used to provide data forwarding service；The router unit and the interchanger and Antenna connects, and for providing route service；The antenna is used to be communicated with satellite；The antenna is Super-material antenna, and the Super-material antenna includes antenna body and positioned at the super of the antenna body side Material panel, if the metamaterial panel is provided with dried layer, each layer by sheet substrate and on the substrate are set more Individual artificial metal micro structure composition.
- 2. PCS Personal Communications System in the aircraft according to claim 1 based on optic communication, it is characterised in that：The communication Terminal is portable mobile device or the landline telephone being arranged in aircraft.
- 3. PCS Personal Communications System in the aircraft according to claim 2 based on optic communication, it is characterised in that：It is described portable Formula mobile device is mobile phone, notebook computer, E-book reader or pager.
- 4. PCS Personal Communications System in the aircraft based on optic communication according to claim 1 or 2 or 3, it is characterised in that：Institute Stating aircraft includes aircraft, helicopter, aerodone or dirigible.
- 5. PCS Personal Communications System in the aircraft based on optic communication according to claim 1 or 2 or 3, it is characterised in that：Institute Stating communication terminal includes signal processing unit, terminal optical signal launch unit and terminal optical signal receiving unit, the terminal light Signal transmitter unit is gone out for the electric signal exported after the signal processing unit processes to be converted into optical signal launch, institute Terminal optical signal receiving unit is stated to be used to the optical signal that airborne communication control is transmitted through being converted into electric signal transmission to the letter Number processing unit.
- 6. PCS Personal Communications System in the aircraft according to claim 5 based on optic communication, it is characterised in that：The terminal Optical signal launch unit includes modulator, driver and luminescent device, and the modulator receives the volume of the signal processing unit Code data are simultaneously converted into level modulated signals, and the driver drives luminescent device to send out under the control of level modulated signals Penetrate the optical signal containing information.
- 7. PCS Personal Communications System in the aircraft according to claim 6 based on optic communication, it is characterised in that：It is described luminous Device is light emitting diode or infrared emission tube.
- 8. PCS Personal Communications System in the aircraft according to claim 5 based on optic communication, it is characterised in that：The terminal Optical signal receiving unit includes photodetector and signal amplifier, and the photodetector is used for the airborne communication control The optical signal launched is converted into electric signal；The signal amplifier is used to put the electric signal that the photodetector exports Greatly, and it is sent to the signal processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210051044.8A CN103297138B (en) | 2012-02-29 | 2012-02-29 | PCS Personal Communications System in aircraft based on optic communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210051044.8A CN103297138B (en) | 2012-02-29 | 2012-02-29 | PCS Personal Communications System in aircraft based on optic communication |
Publications (2)
| Publication Number | Publication Date |
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| CN103297138A CN103297138A (en) | 2013-09-11 |
| CN103297138B true CN103297138B (en) | 2017-12-01 |
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| CN201210051044.8A Active CN103297138B (en) | 2012-02-29 | 2012-02-29 | PCS Personal Communications System in aircraft based on optic communication |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9716544B2 (en) * | 2013-03-10 | 2017-07-25 | Latitude Technologies Corporation | Wireless software dialer for satellite communication device |
| FR3034601A1 (en) * | 2015-03-31 | 2016-10-07 | Thales Sa | COMMUNICATION NETWORK, COMMUNICATION PLANT ON AIRCRAFT AND AIRCRAFT COMPRISING SUCH A COMMUNICATION PLANT |
| CN111953440B (en) * | 2020-08-25 | 2022-04-29 | 电子科技大学 | Radio frequency interconnection system and method for testing satellite mobile communication system |
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| US20040235469A1 (en) * | 2003-05-21 | 2004-11-25 | Krug William P. | High bandwidth open wired network |
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| WO2001099309A1 (en) * | 2000-06-19 | 2001-12-27 | Telefonaktiebolaget Lm Ericsson (Publ) | A method and an apparatus for reducing signalling traffic in a telecommunication system |
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