CN107294601A - The method and device of signal transmission - Google Patents
The method and device of signal transmission Download PDFInfo
- Publication number
- CN107294601A CN107294601A CN201610192476.9A CN201610192476A CN107294601A CN 107294601 A CN107294601 A CN 107294601A CN 201610192476 A CN201610192476 A CN 201610192476A CN 107294601 A CN107294601 A CN 107294601A
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- Prior art keywords
- signal
- transmission
- wireless
- processing
- wavelength
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Classifications
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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
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1121—One-way transmission
-
- 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
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1129—Arrangements for outdoor wireless networking of information
Abstract
The invention discloses a kind of method and device of signal transmission, it is related to areas of information technology, the complexity of track remodelling can be reduced, and then the flexibility of signal transmission can be improved.Methods described includes：Applied to the system of transmission signal, the system of transmission signal includes：The transmitting terminal of system and the receiving terminal of system, the wherein transmitting terminal of system and the receiving terminal of system carry out signal transmission by air；The transmitting terminal of system receives the wireless signal that signal sending end is sent first, and wireless signal is modulated, wavelength-division multiplex processing, signal after being handled, then the transmitting terminal of system transmits the signal after processing to the receiving terminal of system by air, the receiving terminal of its subsystem carries out solution wavelength-division multiplex, photoelectricity to the signal after processing and exchanged and filtering process, wireless signal is obtained, the receiving terminal of final system sends wireless signal to user equipment.The present invention is transmitted wireless signal to user equipment by air suitable for base station.
Description
Technical field
The present invention relates to areas of information technology, more particularly to a kind of method and device of signal transmission.
Background technology
With the development of the communication technology, mobile communication business also increases therewith, and for broadband wireless access
The system transmission bandwidth requirement also more and more higher of network, therefore how to carry out signal transmission and asked as a key
Topic.
At present, a kind of method for carrying out signal transmission, such as sending ending equipment, base station, broadcasting station, send letter
Number, and signal is transmitted to ustomer premises access equipment by fiber backbone network, so that obtaining ustomer premises access equipment realizes movement
Communication service.
However, when carrying out signal transmission by fiber backbone network, because signal is needed by fiber backbone network
Carry out signal transmission, it is therefore desirable to deployed fiber, after the completion of fiber deployment, and need to carry out track remodelling
When, because the price of optical fiber is higher, transformation again needs to consume substantial amounts of fund cost and human cost,
So as to cause the complexity of track remodelling higher, and then cause the flexibility for carrying out signal transmission relatively low.
The content of the invention
The present invention provides a kind of method and device of signal transmission, can reduce the complexity of track remodelling, enter
And the flexibility of signal transmission can be improved.
The technical solution adopted by the present invention is：
In a first aspect, the method that the present invention provides a kind of transmission of signal, applied to the system of transmission signal, its
It is characterised by, the system of the transmission signal includes：The transmitting terminal of system and the receiving terminal of system, wherein
The transmitting terminal of the system and the receiving terminal of the system pass through air progress signal transmission；Methods described includes：
The transmitting terminal of the system receives the wireless signal that signal sending end is sent, and the wireless signal is entered
Row modulation, wavelength-division multiplex processing, the signal after being handled；
The transmitting terminal of the system transmits the signal after the processing to the reception of the system by air
End；
The receiving terminal of the system carries out solution wavelength-division multiplex, photoelectricity to the signal after the processing and exchanges and filter
Ripple processing, obtains the wireless signal；
The receiving terminal of the system sends the wireless signal to user equipment.
Second aspect, the invention provides a kind of device of signal transmission, applied to the system of transmission signal,
Characterized in that, the system of the transmission signal includes：The transmitting terminal of system and the receiving terminal of system, its
Described in the transmitting terminal of system and the receiving terminal of the system pass through air and carry out signal transmission；Described device bag
Include：
Receiving unit, in the transmitting terminal of the system, the wireless communication for receiving signal sending end transmission
Number；
First processing units, in the transmitting terminal of the system, for the wireless signal to be modulated,
Wavelength-division multiplex processing, the signal after being handled；
Transmission unit, in the transmitting terminal of the system, for the signal after the processing to be passed through into air
Transmit to the receiving terminal of the system；
Second processing unit, in the receiving terminal of system, for carrying out demultiplex to the signal after the processing
Divide multiplexing, photoelectricity to exchange and filtering process, obtain the wireless signal；
Transmitting element, in the receiving terminal of the system, sets for the wireless signal to be sent to user
It is standby.
The method and device for the signal transmission that the present invention is provided, applied to the system of transmission signal, transmits signal
System include：The transmitting terminal of system and the receiving terminal of system, the wherein transmitting terminal of system and system connect
Receiving end carries out signal transmission by air；The transmitting terminal of system receives the wireless communication that signal sending end is sent first
Number, and wireless signal is modulated, wavelength-division multiplex processing, the signal after being handled, then system
Transmitting terminal transmits the signal after processing to the receiving terminal of system by air, and the receiving terminal of its subsystem is to place
Signal after reason carries out solution wavelength-division multiplex, photoelectricity and exchanged and filtering process, obtains wireless signal, is finally
The receiving terminal of system sends wireless signal to user equipment.With carrying out signal transmission by fiber backbone network at present
Compare, the wireless signal that the present invention is received by the transmitting terminal of system, can be transmitted by air to
The receiving terminal of system, to cause the receiving terminal of system to send wireless signal to user equipment, when circuit is important
During transformation, it is not necessary to rearrange optical fiber, so as to reduce the complexity of track remodelling, and then it can carry
The flexibility ratio of high RST transmission.
Brief description of the drawings
, below will be to the present invention or existing in order to illustrate more clearly of technical scheme of the invention or of the prior art
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, it is attached in describing below
Figure is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property work on the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the system schematic of transmission signal in the embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of signal transmission in the embodiment of the present invention；
Fig. 3 is the method flow diagram of another signal transmission in the embodiment of the present invention；
Fig. 4 is the method flow diagram of another signal transmission in the embodiment of the present invention；
Fig. 5 is a kind of schematic device of signal transmission in the embodiment of the present invention；
Fig. 6 is the schematic device of another signal transmission in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of all other embodiment for being obtained, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of method of signal transmission, applied to the system of transmission signal, such as Fig. 1 institutes
Show, the system of the transmission signal includes：The transmitting terminal of system and the receiving terminal of system, wherein the system
The transmitting terminal of system and the receiving terminal of the system pass through air progress signal transmission, the transmitting terminal bag of the system
Include：At least one laser, at least one Mach of zehnder modulators, wavelength division multiplexer, the system connect
Receiving end includes：Wavelength division multiplexer, at least one photodetector and at least one signal processing unit are solved,
Wherein, at least one described laser corresponds with least one Mach of zehnder modulators and carries out signal
Transmission, at least one Mach of zehnder modulators carry out signal transmission, the solution with the wavelength division multiplexer
Wavelength division multiplexer carries out signal transmission, at least one described photodetection with least one described photodetector
Device corresponds with least one described signal processing unit and carries out signal transmission.
A kind of method of signal transmission of the embodiment of the present invention, can reduce the complexity of track remodelling, Jin Erke
To improve the flexibility of signal transmission.As shown in Fig. 2 methods described includes：
201st, the transmitting terminal of system receives the wireless signal that signal sending end is sent.
For the embodiment of the present invention, the transmitting terminal of signal includes：Base station, broadcast transmission are accounted for, and wireless guarantor
True (English full name：WIreless-FIdelity, english abbreviation：WI-FI) launch point.
For the embodiment of the present invention, the wireless signal can include：WI-FI signals, binary phase shift keying (English
Literary full name：Binary Phase Shift Keying, english abbreviation：BPSK) signal, QPSK (English
Literary full name：Quadrature Phase Shift Keyin, english abbreviation：QPSK) signal and ultra wide band (English
Literary full name：Ultra-Wideband, english abbreviation：UWB) signal.
For the embodiment of the present invention, the transmitting terminal of system can receive the nothing that signal sending end is sent by antenna
Line signal, the wireless signal can be the wireless signal of different kinds.
202nd, wireless signal is modulated by the transmitting terminal of system, wavelength-division multiplex is handled, the letter after being handled
Number.
For the embodiment of the present invention, the transmitting terminal of the system includes：At least one laser, at least one horse
Conspicuous zehnder modulators (english abbreviation：) and wavelength division multiplexer MZM.In embodiments of the present invention, wirelessly
Signal can be modulated and wavelength-division multiplex processing by MZM and wavelength division multiplexer respectively.
203rd, the transmitting terminal of system transmits the signal after processing to the receiving terminal of system by air.
For the embodiment of the present invention, the transmitting terminal of system will pass through the wireless signal after modulation and wavelength-division multiplex
Transmitted by air to the receiving terminal of system.
204th, the receiving terminal of system is carried out to the signal after processing at solution wavelength-division multiplex, photoelectricity exchange and filtering
Reason, obtains wireless signal.
For the embodiment of the present invention, the receiving terminal of system includes：Wavelength division multiplexer, at least one photoelectricity is solved to visit
Survey device and at least one signal processing unit.In embodiments of the present invention, the signal received can pass through
Street wavelength division multiplexer, photodetector and signal processing unit carry out solution wavelength-division multiplexing process, opto-electronic conversion
Processing and filtering process etc., to obtain a variety of different wireless signals of signal sending end transmission.
205th, the receiving terminal of system sends wireless signal to user equipment.
The method of signal transmission provided in an embodiment of the present invention, applied to the system of transmission signal, transmits signal
System include：The transmitting terminal of system and the receiving terminal of system, the wherein transmitting terminal of system and system connect
Receiving end carries out signal transmission by air；The transmitting terminal of system receives the wireless communication that signal sending end is sent first
Number, and wireless signal is modulated, wavelength-division multiplex processing, the signal after being handled, then system
Transmitting terminal transmits the signal after processing to the receiving terminal of system by air, and the receiving terminal of its subsystem is to place
Signal after reason carries out solution wavelength-division multiplex, photoelectricity and exchanged and filtering process, obtains wireless signal, is finally
The receiving terminal of system sends wireless signal to user equipment.With carrying out signal transmission by fiber backbone network at present
Compare, the wireless signal that the embodiment of the present invention is received by the transmitting terminal of system, can be carried out by air
Transmit to the receiving terminal of system, to cause the receiving terminal of system to send wireless signal to user equipment, work as line
During the important transformation in road, it is not necessary to rearrange optical fiber, so as to reduce the complexity of track remodelling, and then
The flexibility ratio of signal transmission can be improved.
The alternatively possible implementation of the embodiment of the present invention, on the basis of as shown in Figure 2, step 202,
Wireless signal is modulated by the transmitting terminal of system, wavelength-division multiplex processing, the signal after being handled, specifically
Including step 301-303 as shown in Figure 3.
301st, each Mach zehnder modulators receive different wireless signals respectively and corresponding laser is sent
Optical signal.
For the embodiment of the present invention, each laser is connected one by one with each MZM, wherein, different laser
Device can launch the optical signal of different wave length, and each MZM receives the optical signal that corresponding laser is sent,
And receive preset corresponding wireless signal.
For example, there are three lasers, respectively LD1, LD2 and LD3, and be in the transmitting terminal of system
The transmitting terminal of system includes three MZM, respectively MZM1, MZM2, MZM3, and wherein MZM1 is received
The wavelength that LD1 is sent is λ 1, λ 2, λ 3, therefore MZM1 can receive wireless signal bpsk signal and ripple
A length of λ 1 optical signal, the optical signal that MZM2 can receive wireless signal QPSK signals and wavelength is λ 2,
The optical signal that MZM3 can receive wireless signal UWB signal and wavelength is λ 3.
302nd, each Mach zehnder modulators carry wireless signal into optical signal, obtain the first wireless signal.
Wherein, the first wireless signal is the optical signal that carry wireless signal.
For the embodiment of the present invention, each Mach zehnder modulators receive the light letter of corresponding laser transmitting
Number and corresponding wireless signal, and by the wireless signal then can obtain the first nothing in the optical signal
Line signal.The optical signal and wireless signal that different Mach zehnder modulators are received may be different.
303rd, the first signal is respectively sent to wavelength division multiplexer and carries out wavelength-division multiplex by each Mach zehnder modulators
Processing, obtains second wireless singal.
Wherein, second wireless singal is that the first signal carries out the optical signal after wavelength-division processing.
For the embodiment of the present invention, the first signal that each Mach Zeng Dejun is obtained is sent to wavelength division multiplexer,
Multi beam signal is carried out wavelength-division multiplex processing by the wavelength division multiplexer, forms a branch of optical signal, and the beam optical signal is
Secondary signal.
The alternatively possible implementation of the embodiment of the present invention, on the basis of as shown in Figure 3, step 204,
The receiving terminal of system carries out solution wavelength-division multiplex, photoelectricity to the signal after processing and exchanged and filtering process, obtains
Wireless signal, specifically includes step 401-402 as shown in Figure 4.
401st, the secondary signal received is carried out demultiplex office reason by solution wavelength division multiplexer, obtains the first signal,
And send the first signal to corresponding photodetector.
For the embodiment of the present invention, wavelength division multiplexer, which transmits second wireless singal to solution wavelength-division by air, answers
With device, second wireless singal is carried out demultiplex office reason, obtains most optical signals, this is more by solution wavelength division multiplexer
Number optical signal is consistent with the optical signal that the wavelength division multiplexer in the transmitting terminal of system is received.
402nd, photodetector carries out opto-electronic conversion to the first signal, obtains the 3rd signal, and by the 3rd signal
Transmission is filtered processing to signal processing unit, obtains different wireless signals.
Wherein, the 3rd signal is the corresponding electric signal of the first signal.
For the embodiment of the present invention, the signal processing unit can include low pass filter, demodulator and solution
Code device, is filtered, demodulates and decoding process respectively to the 3rd signal, different wireless to obtain each
Signal.
For the embodiment of the present invention, the multi beam optical signal that solution wavelength division multiplexer is obtained is respectively by corresponding photoelectricity
Converter carries out broadcasting and TV conversion, obtains each self-corresponding electric signal, and each self-corresponding electric signal is passed through each
Self-corresponding signal processing unit is filtered, demodulated and decoding process, is terminated with the transmission for obtaining system
Each wireless signal received.
As the realization to method shown in Fig. 2, Fig. 3 and Fig. 4, the embodiment of the present invention additionally provides a kind of signal
The device of transmission, can reduce the complexity of track remodelling, and then can improve the flexibility of signal transmission.
Applied to the system of transmission signal, the system of the transmission signal includes：The transmitting terminal of system and system
Receiving terminal, wherein the transmitting terminal of the system and the receiving terminal of the system pass through air progress signal transmission；
As shown in figure 5, described device includes：Receiving unit 51, first processing units 52, transmission unit 53,
Two processing units 54, transmitting element 55.
Receiving unit 51, in the transmitting terminal of system, the wireless signal for receiving signal sending end transmission.
First processing units 52, in the transmitting terminal of system, for wireless signal to be modulated, wavelength-division
Multiplexing process, the signal after being handled.
Transmission unit 53, in the transmitting terminal of system, for by the signal after processing by air transmit to
The receiving terminal of system.
Second processing unit 54, in the receiving terminal of system, for carrying out solution wavelength-division to the signal after processing
Multiplexing, photoelectricity are exchanged and filtering process, obtain wireless signal
Transmitting element 55, in the receiving terminal of system, for wireless signal to be sent to user equipment.
Further, the transmitting terminal of the system includes：At least one laser, at least one Mach of Zeng De
Modulator, wavelength division multiplexer, the receiving terminal of the system include：Solve wavelength division multiplexer, at least one photoelectricity
Detector and at least one signal processing unit, wherein, at least one described laser and described at least one
Individual Mach zehnder modulators, which are corresponded, carries out signal transmission, at least one Mach of zehnder modulators and institute
State wavelength division multiplexer and carry out signal transmission, the solution wavelength division multiplexer enters with least one described photodetector
Row signal is transmitted, and at least one described photodetector is corresponded with least one described signal processing unit
Signal transmission is carried out, as shown in fig. 6, first processing units 52 also include：Receiving module 521, carrier module
522nd, the first sending module 523.
Receiving module 521, in each Mach of zehnder modulators, for receiving different wireless signals respectively
And the optical signal that corresponding laser is sent.
Carrier module 522, in each Mach of zehnder modulators, for wireless signal to be carried to optical signal
In, obtain the first wireless signal.
Wherein, the first wireless signal is the optical signal that carry wireless signal.
Sending module 523, in each Mach of zehnder modulators, for the first signal to be respectively sent into ripple
Division multiplexer carries out wavelength-division multiplex processing, obtains second wireless singal.
Wherein, second wireless singal is that the first signal carries out the optical signal after wavelength-division processing.
Further, as shown in fig. 6, second processing unit 54 is specifically included：Demultiplex point processing module 541,
Second sending module 542, photoelectric conversion module 543, the 3rd sending module 544.
Demultiplex point processing module 541, in solution wavelength division multiplexer, for the secondary signal received to be carried out
Demultiplex office is managed, and obtains the first signal.
Second sending module 542, in solution wavelength division multiplexer, for the first signal to be sent to corresponding light
Electric explorer.
Photoelectric conversion module 543, in photodetector, for carrying out opto-electronic conversion to the first signal, is obtained
To the 3rd signal.
3rd sending module 544, in photodetector, for the 3rd signal to be sent to signal transacting list
Member is filtered processing, obtains different wireless signals.
Wherein, the 3rd signal is the corresponding electric signal of the first signal.
The device of signal transmission provided in an embodiment of the present invention, applied to the system of transmission signal, transmits signal
System include：The transmitting terminal of system and the receiving terminal of system, the wherein transmitting terminal of system and system connect
Receiving end carries out signal transmission by air；The transmitting terminal of system receives the wireless communication that signal sending end is sent first
Number, and wireless signal is modulated, wavelength-division multiplex processing, the signal after being handled, then system
Transmitting terminal transmits the signal after processing to the receiving terminal of system by air, and the receiving terminal of its subsystem is to place
Signal after reason carries out solution wavelength-division multiplex, photoelectricity and exchanged and filtering process, obtains wireless signal, is finally
The receiving terminal of system sends wireless signal to user equipment.With carrying out signal transmission by fiber backbone network at present
Compare, the wireless signal that the embodiment of the present invention is received by the transmitting terminal of system, can be carried out by air
Transmit to the receiving terminal of system, to cause the receiving terminal of system to send wireless signal to user equipment, work as line
During the important transformation in road, it is not necessary to rearrange optical fiber, so as to reduce the complexity of track remodelling, and then
The flexibility ratio of signal transmission can be improved.
It should be noted that in the device of the signal transmission provided in the embodiment of the present invention corresponding to each unit
Other are accordingly described, and be may be referred to correspondence descriptions of the Fig. 2 into Fig. 4, be will not be repeated here.
The device of signal transmission provided in an embodiment of the present invention can realize the embodiment of the method for above-mentioned offer, have
Body function realizes the explanation referred in embodiment of the method, will not be repeated here.It is provided in an embodiment of the present invention
The method and device of signal transmission goes for base station and transmits wireless signal to user equipment by air,
But it is not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow in above-described embodiment method is realized,
It can be by computer program to instruct the hardware of correlation to complete, described program can be stored in a calculating
In machine read/write memory medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.
Wherein, described storage medium can for magnetic disc, CD, read-only memory (Read-Only Memory,
) or random access memory (Random Access Memory, RAM) etc. ROM.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
This, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, should all be included within the scope of the present invention.Therefore, protection scope of the present invention
It should be defined by scope of the claims.
Claims (6)
1. a kind of method of signal transmission, the system applied to transmission signal, it is characterised in that the transmission
The system of signal includes：The transmitting terminal of system and the receiving terminal of system, wherein the transmitting terminal of the system with
The receiving terminal of the system carries out signal transmission by air；Methods described includes：
The transmitting terminal of the system receives the wireless signal that signal sending end is sent, and the wireless signal is entered
Row modulation, wavelength-division multiplex processing, the signal after being handled；
The transmitting terminal of the system transmits the signal after the processing to the reception of the system by air
End；
The receiving terminal of the system carries out solution wavelength-division multiplex, photoelectricity to the signal after the processing and exchanges and filter
Ripple processing, obtains the wireless signal；
The receiving terminal of the system sends the wireless signal to user equipment.
2. the method for transmission signal according to claim 1, it is characterised in that the transmission of the system
End includes：At least one laser, at least one Mach of zehnder modulators, wavelength division multiplexer, the system
Receiving terminal include：Solve wavelength division multiplexer, at least one photodetector and at least one signal transacting list
Member, wherein, at least one described laser is corresponded with least one Mach of zehnder modulators and carried out
Signal is transmitted, and at least one Mach of zehnder modulators carry out signal transmission, institute with the wavelength division multiplexer
State solution wavelength division multiplexer and carry out signal transmission, at least one described photoelectricity with least one described photodetector
Detector corresponds with least one described signal processing unit and carries out signal transmission；
It is described the wireless signal is modulated, wavelength-division multiplex processing, the step of signal after being handled,
Specifically include：
Each Mach zehnder modulators receive different wireless signals respectively and the corresponding laser is sent
Optical signal；
The each Mach of zehnder modulators carry the wireless signal into the optical signal, obtain first
Wireless signal, first wireless signal is the optical signal that carry the wireless signal；
First signal is respectively sent to wavelength division multiplexer and carries out wavelength-division by each Mach of zehnder modulators
Multiplexing process, obtains second wireless singal, and the second wireless singal is that the first signal is carried out after wavelength-division processing
Optical signal.
3. the method for signal transacting according to claim 2, it is characterised in that the reception of the system
End carries out solution wavelength-division multiplex, photoelectricity to the wireless signal and exchanged and filtering process, obtains the wireless communication
Number the step of, specifically include：
The secondary signal received is carried out demultiplex office reason by the solution wavelength division multiplexer, obtains first letter
Number, and first signal is sent to corresponding photodetector；
The photodetector carries out opto-electronic conversion to first signal, obtains the 3rd signal, and will be described
3rd signal, which is sent to the signal processing unit, is filtered processing, obtains the different wireless signal,
3rd signal is the corresponding electric signal of first signal.
4. a kind of device of signal transmission, the system applied to transmission signal, it is characterised in that the transmission
The system of signal includes：The transmitting terminal of system and the receiving terminal of system, wherein the transmitting terminal of the system with
The receiving terminal of the system carries out signal transmission by air；Described device includes：
Receiving unit, in the transmitting terminal of the system, the wireless communication for receiving signal sending end transmission
Number；
First processing units, in the transmitting terminal of the system, for the wireless signal to be modulated,
Wavelength-division multiplex processing, the signal after being handled；
Transmission unit, in the transmitting terminal of the system, for the signal after the processing to be passed through into air
Transmit to the receiving terminal of the system；
Second processing unit, in the receiving terminal of system, for carrying out demultiplex to the signal after the processing
Divide multiplexing, photoelectricity to exchange and filtering process, obtain the wireless signal；
Transmitting element, in the receiving terminal of the system, sets for the wireless signal to be sent to user
It is standby.
5. the device of transmission signal according to claim 4, it is characterised in that the transmission of the system
End includes：At least one laser, at least one Mach of zehnder modulators, wavelength division multiplexer, the system
Receiving terminal include：Solve wavelength division multiplexer, at least one photodetector and at least one signal transacting list
Member, wherein, at least one described laser is corresponded with least one Mach of zehnder modulators and carried out
Signal is transmitted, and at least one Mach of zehnder modulators carry out signal transmission, institute with the wavelength division multiplexer
State solution wavelength division multiplexer and carry out signal transmission, at least one described photoelectricity with least one described photodetector
Detector corresponds with least one described signal processing unit and carries out signal transmission；
The first processing units also include：Receiving module, carrier module, the first sending module；
The receiving module, in each Mach of zehnder modulators, for receiving different wireless communications respectively
Number and the optical signal that sends of the corresponding laser；
The carrier module, in each Mach of zehnder modulators, for the wireless signal to be held
It is loaded onto in the optical signal, obtains the first wireless signal, first wireless signal is described wireless to carry
The optical signal of signal；
The sending module, in each Mach of zehnder modulators, for first signal to be divided
Do not send to wavelength division multiplexer and carry out wavelength-division multiplex processing, obtain second wireless singal, second wireless communication
Number for the first signal carry out wavelength-division processing after optical signal.
6. the device of signal transacting according to claim 5, it is characterised in that the second processing list
Member is specifically included：Demultiplex point processing module, the second sending module, photoelectric conversion unit module, the 3rd send
Module；
The demultiplex point processing module, in the solution wavelength division multiplexer, for receive second to be believed
Number demultiplex office reason is carried out, obtain first signal；
Second sending module, in the solution wavelength division multiplexer, for first signal to be sent
To corresponding photodetector；
The photoelectric conversion unit module, in the photodetector, for entering to first signal
Row opto-electronic conversion, obtains the 3rd signal；
3rd sending module, in the photodetector, for by the 3rd signal send to
The signal processing unit is filtered processing, obtains the different wireless signal, and the 3rd signal is
The corresponding electric signal of first signal.
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| CN201610192476.9A CN107294601A (en) | 2016-03-30 | 2016-03-30 | The method and device of signal transmission |
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| CN201610192476.9A CN107294601A (en) | 2016-03-30 | 2016-03-30 | The method and device of signal transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114759936A (en) * | 2022-04-13 | 2022-07-15 | 深圳欧思微电子技术有限公司 | Signal transmitting module, signal transmitting method and signal transmitting equipment |
| WO2023092623A1 (en) * | 2021-11-24 | 2023-06-01 | 中车长春轨道客车股份有限公司 | Levitation test platform communication system and method |
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| WO2023092623A1 (en) * | 2021-11-24 | 2023-06-01 | 中车长春轨道客车股份有限公司 | Levitation test platform communication system and method |
| CN114759936A (en) * | 2022-04-13 | 2022-07-15 | 深圳欧思微电子技术有限公司 | Signal transmitting module, signal transmitting method and signal transmitting equipment |
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