CN108540228A - Relay transmission system based on FSO/RF links and energy control method - Google Patents
Relay transmission system based on FSO/RF links and energy control method Download PDFInfo
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- CN108540228A CN108540228A CN201810219816.1A CN201810219816A CN108540228A CN 108540228 A CN108540228 A CN 108540228A CN 201810219816 A CN201810219816 A CN 201810219816A CN 108540228 A CN108540228 A CN 108540228A
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- 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
- H04B10/29—Repeaters
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
- H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
- H04B10/25759—Details of the reception of RF signal or the optical conversion before the optical fibre
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of relay transmission systems based on FSO/RF links, including：Photoelectric converter, energy collecting device, energy control apparatus, RF signal projectors；Wherein, energy collecting device is connect with photoelectric converter to be collected to the DC component that photoelectric converter exports；When energy control apparatus connect the DC component to be collected in energy collecting device with energy collecting device equal to targets threshold, DC component is converted into operating voltage/electric current that RF transmitters emit RF signals.As it can be seen that in the present solution, by energy collecting device by by photoelectric converter conversion signal in DC component be collected, and by energy control apparatus by DC component be converted to RF transmitters emit RF signals operating voltage/electric current.Therefore, this programme can effectively collect DC component and use it for operating voltage/electric current of RF transmitters transmitting RF signals, avoid the waste of resource, the invention also discloses a kind of Energy harvesting methods, effect is as above.
Description
Technical field
The present invention relates to field of signal transmissions, more particularly to it is a kind of based on mixing FSO/RF links relay transmission system and
Energy control method.
Background technology
In the relay transmission system of existing blended RF/FSO links, the electric signal emitted from source node passes through RF channels
After be transferred at relay node, at relay node by amplification forwarding and by electric light converter convert electrical signals into light letter
Number, using FSO channels, optical signal transmission to destination node.After optical signal transmission is to destination node, at destination node
The optical signal that photoelectric detector detects carries AC compounent signal (RF electric signals) and DC component signal, wherein RF electric signals
It is received by mobile terminal, still, the DC component entrained by optical signal that destination node receives at this time will be filtered, cannot be right
The portion of energy that DC component carries carries out effective collection and utilizes, to cause the waste of resource.
Therefore, how the DC component in the optical signal at destination node to be collected to efficiently use the portion of energy
It is those skilled in the art's problem to be solved.
Invention content
It is a kind of based on the relay transmission system for mixing FSO/RF links and energy hole side it is an object of the invention to disclose
DC component in optical signal at destination node effectively collect and has carried out effective profit to the portion of energy by method
With.
To achieve the above object, the embodiment of the invention discloses following technical solutions：
On the one hand, the embodiment of the invention discloses a kind of relay transmission systems based on FSO/RF links, including：Photoelectricity turns
Parallel operation and RF signal projectors further include：Energy collecting device and energy control apparatus；
The energy collecting device connect the DC component to export the photoelectric converter with the photoelectric converter
It is collected；
The energy control apparatus connect the direct current to be collected in the energy collecting device with the energy collecting device
When component is equal to targets threshold, by the DC component be converted to the RF signal projectors emit the operating voltages of RF signals/
Electric current.
Preferably, the energy collecting device includes：Anneta module and energy-storage module；
Wherein, the energy-storage module is connect with the Anneta module is carried out with the DC component received to the Anneta module
Storage.
Preferably, the energy-storage module is specially storage capacitor.
Preferably, the energy control apparatus is connect with the signal receiving device for receiving the RF signals；
The DC component that the energy collecting device is collected is additionally operable to power to the signal receiving device.
On the other hand, the embodiment of the invention discloses a kind of Energy harvesting methods, based on the base described in any of the above one
In the relay transmission system of FSO/RF links, including：
The DC component that photoelectric converter exports is collected by energy collecting device；
Energy control apparatus is when the DC component that the energy collecting device is collected is equal to targets threshold, by the direct current
Component is converted to operating voltage/electric current that the RF signal projectors emit the RF signals.
Preferably, the energy collecting device to the DC component be collected including：
Anneta module in the energy collecting device receives the DC component；
Energy-storage module in the energy collecting device stores the DC component.
Preferably, the DC component that the energy collecting device is collected is additionally operable to the signal to receiving the RF signals
Reception device is powered.
As it can be seen that a kind of relay transmission system based on FSO/RF links disclosed by the embodiments of the present invention, including：Opto-electronic conversion
Device, energy collecting device, energy control apparatus, RF signal projectors；Wherein, energy collecting device connect with photoelectric converter with
The DC component of photoelectric converter output is collected；Energy control apparatus is connect with energy collecting device in collection of energy
When the DC component that device is collected is equal to targets threshold, DC component is converted into the work electricity that RF transmitters emit RF signals
Pressure/electric current.As it can be seen that in the present solution, the DC component in the signal that photoelectric converter is converted will be passed through by energy collecting device
It is collected, and when the DC component that energy collecting device is collected is equal to targets threshold, energy control apparatus is by DC component
Be converted to operating voltage/electric current of RF transmitters transmitting RF signals.Therefore, in this programme.DC component can effectively be collected simultaneously
Operating voltage/the electric current for using it for RF transmitters transmitting RF signals, avoids the waste of resource, the embodiment of the present invention is also disclosed
A kind of Energy harvesting methods, effect are as above.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of relay transmission system structural representation based on FSO/RF links disclosed in the first embodiment of the invention
Figure；
Fig. 2 is a kind of relay transmission system structural representation based on FSO/RF links disclosed in second of embodiment of the invention
Figure；
Fig. 3 is a kind of energy control method flow diagram disclosed by the embodiments of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of relay transmission system and method based on FSO/RF links, effectively by purpose
The DC component in optical signal at node collect and has effectively been utilized to the portion of energy.
Fig. 1 is referred to, Fig. 1 is a kind of relay transmission system based on FSO/RF links disclosed in the first embodiment of the invention
System structural schematic diagram, which includes photoelectric converter 101 and RF signal projectors 102, further includes：Energy collecting device 103
With energy control apparatus 104；Energy collecting device 103 connect straight to export photoelectric converter 101 with photoelectric converter 101
Flow component is collected；Energy control apparatus 104 connect to collect in energy collecting device 103 with energy collecting device 103
When DC component is equal to targets threshold, DC component is converted into operating voltage/electricity that RF signal projectors 102 emit RF signals
Stream.Combined in addition to the device mentioned in above this programme, in the present embodiment existing relay transmission system to the embodiment of the present invention into
Row is described in detail, and signal generator emits RF electric signals first, and RF electric signals are obtained by the modulation and demodulation of signal regulating device
To the optical signal comprising DC component, wherein signal regulating device includes signal modulator and demodulator of PM signal PM, signal modulator
RF signals for emitting signal generator add certain direct current biasing and are modulated to obtain modulated optical signal, this
When, modulated optical signal to the optical signal demodulate after FSO channels, by the signal demodulating equipment at repeater
Optical signal after to demodulation.At this point, the optical signal after demodulation is directly converted to electric signal, RF using photoelectric converter 101
Ac signal (RF electric signals) that the electric signal carries is received and is emitted in RF transmissions by signal projector 102, separately
The DC component signal that outer electric signal carries is collected by energy collecting device 103, and the direct current collected in energy collecting device 103
When component reaches targets threshold, DC component is converted into RF signal projectors 102 by energy control apparatus 104 and emits RF telecommunications
Number operating voltage/electric current.
It should be noted that in the present embodiment, signal generator, signal modulator and demodulator of PM signal PM are all made of existing
Device.The size of targets threshold can be determined according to the operating voltage or operating current of RF signal projectors 102, for example, RF
The operating current of signal projector 102 is 5A, targets threshold can be set to 1A at this time, at this point it is possible to pass through energy hole
The current signal of 1A is upgraded to the current signal of 5A and by the electric current for RF signal projectors 102, certainly, energy by device 104
The current signal of 5A can also be converted to voltage by control device 104 after the current signal of 1A is upgraded to the current signal of 5A
Signal for RF signal projectors 102 to provide voltage.Wherein, current lifting device and Current Voltage can be arranged in energy control apparatus 104
Converter.
In order to ensure that DC component can be collected effectively, as preferred embodiment, energy collecting device 103 includes：It
Wire module and energy-storage module；
Wherein, energy-storage module is connect with Anneta module to be stored to the DC component that Anneta module receives.
Specifically, in the present embodiment, antenna can be arranged to be collected and incite somebody to action to DC component in energy collecting device 103
The DC component of collection is stored in energy-storage module, wherein as preferred embodiment, energy-storage module is storage capacitor.
Fig. 2 is referred to as preferred embodiment based on above-described embodiment, Fig. 2 is that second of embodiment of the invention discloses
A kind of relay transmission system structural schematic diagram based on FSO/RF links, energy control apparatus 104 with receive RF signals letter
Number reception device 105 connects；The DC component that energy control apparatus 104 is collected is additionally operable to power to signal receiving device 105,
Specifically, in the present embodiment, signal receiving device 105 can be radio frequency reception sensor, RF antennas, coil etc.,
After RF signal projectors 102 emit RF signals, if signal receiving device 105 is powered without external power supply at this time, energy
The DC component that energy collecting device 103 is collected is converted to operating voltage/electric current of signal receiving device by control device 104,
It should be noted that the difference of operating voltage/electric current for signal receiving device 105, energy control apparatus 104 is collected straight
Flow component given threshold is also different, and further, the type of signal receiving device 105 can't influence the reality of the embodiment of the present invention
It applies.
As it can be seen that a kind of relay transmission system based on FSO/RF links disclosed by the embodiments of the present invention, including：Opto-electronic conversion
Device, energy collecting device, energy control apparatus, RF signal projectors；Wherein, energy collecting device connect with photoelectric converter with
The DC component of photoelectric converter output is collected；Energy control apparatus is connect with energy collecting device in collection of energy
When the DC component that device is collected is equal to targets threshold, DC component is converted into the work electricity that RF transmitters emit RF signals
Pressure/electric current.As it can be seen that in the present solution, the DC component in the signal that photoelectric converter is converted will be passed through by energy collecting device
It is collected, and when the DC component that energy collecting device is collected is equal to targets threshold, energy control apparatus is by DC component
Be converted to operating voltage/electric current of RF transmitters transmitting RF signals.Therefore, in this programme.DC component can effectively be collected simultaneously
Operating voltage/the electric current for using it for RF transmitters transmitting RF signals, avoids the waste of resource.
Fig. 3 is referred to, Fig. 3 is a kind of energy control method flow diagram disclosed by the embodiments of the present invention, this method packet
It includes：
The DC component that photoelectric converter exports is collected by S301, energy collecting device.
S302, energy control apparatus are when the DC component that energy collecting device is collected is equal to targets threshold, by direct current point
Amount is converted to operating voltage/electric current of RF signal projectors transmitting RF signals.
It should be noted that a kind of energy control method disclosed by the embodiments of the present invention is based on any one embodiment above
The relay transmission system based on FSO/RF links mentioned, device in this method in relay transmission system mentioned above
Any one device be consistent, in this not go into detail.
As it can be seen that a kind of Energy harvesting methods disclosed by the embodiments of the present invention, will be turned by energy collecting device by photoelectricity
DC component in the signal of parallel operation conversion is collected, and the DC component collected in energy collecting device is equal to targets threshold
When, DC component is converted to operating voltage/electric current that RF transmitters emit RF signals by energy control apparatus.Therefore, this programme
In.DC component can effectively be collected and use it for operating voltage/electric current of RF transmitters transmitting RF signals, avoid resource
Waste.
Based on above-described embodiment, as preferred embodiment, energy collecting device to DC component be collected including：
Anneta module in energy collecting device receives DC component；
Energy-storage module in energy collecting device stores DC component.
Based on above-described embodiment, as preferred embodiment, the DC component that energy collecting device is collected is additionally operable to dock
Receive the signal receiving device power supply of RF signals.
Above to disclosed in the present application a kind of relay transmission system and energy control method based on FSO/RF links into
It has gone and has been discussed in detail.Specific examples are used herein to illustrate the principle and implementation manner of the present application, the above implementation
The explanation of example is merely used to help understand the present processes and its core concept.It should be pointed out that for the general of the art
For logical technical staff, under the premise of not departing from the application principle, can also to the application, some improvement and modification can also be carried out, this
A little improvement and modification are also fallen into the application scope of the claims.
Each embodiment is described by the way of progressive in specification, the highlights of each of the examples are with other realities
Apply the difference of example, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is referring to method part illustration
.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that
A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (7)
1. a kind of relay transmission system based on FSO/RF links, including：Photoelectric converter and RF signal projectors, feature exist
In further including：Energy collecting device and energy control apparatus；
The energy collecting device is connect with the photoelectric converter to be carried out with the DC component for exporting the photoelectric converter
It collects；
The energy control apparatus connect the DC component to be collected in the energy collecting device with the energy collecting device
When equal to targets threshold, the DC component is converted into operating voltage/electric current that the RF signal projectors emit RF signals.
2. the relay transmission system according to claim 1 based on FSO/RF links, which is characterized in that the collection of energy
Device includes：Anneta module and energy-storage module；
Wherein, energy-storage module described in block is connect with the antenna mould and is deposited with the DC component received to the Anneta module
Storage.
3. the relay transmission system according to claim 2 based on FSO/RF links, which is characterized in that the energy-storage module
Specially storage capacitor.
4. the relay transmission system according to claim 1 based on FSO/RF links, which is characterized in that the energy hole
Device is connect with the signal receiving device for receiving the RF signals；
The DC component that the energy collecting device is collected is additionally operable to power to the signal receiving device.
5. a kind of energy control method, based on the relay transmission based on FSO/RF links described in claim 1-4 any one
System, which is characterized in that including：
The DC component that photoelectric converter exports is collected by energy collecting device；
Energy control apparatus is when the DC component that the energy collecting device is collected is equal to targets threshold, by the DC component
Be converted to operating voltage/electric current that the RF signal projectors emit the RF signals.
6. a kind of energy control method according to claim 5, which is characterized in that the energy collecting device is to described straight
Flow component be collected including：
Anneta module in the energy collecting device receives the DC component；
Energy-storage module in the energy collecting device stores the DC component.
7. a kind of energy control method according to claim 5, which is characterized in that the institute that the energy collecting device is collected
DC component is stated to be additionally operable to power to the signal receiving device for receiving the RF signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810219816.1A CN108540228A (en) | 2018-03-16 | 2018-03-16 | Relay transmission system based on FSO/RF links and energy control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810219816.1A CN108540228A (en) | 2018-03-16 | 2018-03-16 | Relay transmission system based on FSO/RF links and energy control method |
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Cited By (4)
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| CN109257092A (en) * | 2018-11-05 | 2019-01-22 | 广东工业大学 | A kind of satellite communication system |
| CN109586803A (en) * | 2018-12-19 | 2019-04-05 | 广东工业大学 | A kind of method, device and equipment of wireless communication energy simultaneous interpretation |
| CN110166125A (en) * | 2019-06-26 | 2019-08-23 | 广东工业大学 | A kind of satellite communication system and method |
| CN110391849A (en) * | 2019-07-25 | 2019-10-29 | 广东工业大学 | A kind of communication system, unmanned plane and the communication means based on unmanned plane, equipment |
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