CN105763261A - Carrier communication method and carrier communication system based on laser loading modulation - Google Patents
Carrier communication method and carrier communication system based on laser loading modulation Download PDFInfo
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- CN105763261A CN105763261A CN201610101131.8A CN201610101131A CN105763261A CN 105763261 A CN105763261 A CN 105763261A CN 201610101131 A CN201610101131 A CN 201610101131A CN 105763261 A CN105763261 A CN 105763261A
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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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
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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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a carrier communication method and a carrier communication system based on laser loading modulation, and relates to the field of optical carrier communication. The method comprises the following steps: business mixing electrical signals loaded with a modulation code type are input to a sending laser, and the sending laser converts the business mixing electrical signals into optical signals and transmits the optical signals through an optical fiber to a receiving laser; the receiving laser converts the received optical signals into electrical signals and divides the electrical signals into two channels; one channel of electrical signals is amplified in a broadband manner to generate broadband electrical signals, low-frequency electrical signals loaded with a modulation code type are separated and extracted from the broadband electrical signals, and the low-frequency electrical signals are recovered and shaped to get initial loaded modulation code type signals; and the other channel of electrical signals is output normally. Occupation of wavelength is avoided, no additional insertion loss is caused to optical lines, and the transmission distance of optical lines is effectively expanded. The method and the system can also be used in WDM system wavelength tracking, optical carrier communication and other applications, and have a broad prospect for commercial use.
Description
Technical field
The present invention relates to light carrier communication field, be specifically related to a kind of carrier communication method and system based on laser instrument load-modulate.
Background technology
In traditional optical communication equipment of Networks of Fiber Communications and the monitoring of network and management, typically via GCC (GeneralCommunicationChannel, universal communication passage) or the OSC (OpticalSupervisingChannel of independent wavelength, Optical Supervisory Channel), monitoring management information is transmitted to downlink business optical signal by interleaving or close ripple, to realize the carrying of management information.
But, GCC is radio channel, and its operating process is more complicated；And wavelength is taken by traditional OSC and the additional Insertion Loss of optical link is relatively big, optical link transmission range is shorter.
Summary of the invention
For the defect existed in prior art, present invention solves the technical problem that for: a kind of new carrier communication method and system based on laser instrument load-modulate are provided, invention not only avoids taking wavelength, and optical link is not increased additional Insertion Loss, can effectively expand the transmission range of optical link, can also be used to the application such as the Wavelength-tracking of wdm system and light carrier communication, there is wide commercial prospect.
For reaching object above, the carrier communication method based on laser instrument load-modulate provided by the invention, the method comprises the following steps:
The mix of traffic signal of telecommunication being loaded with modulation format is inputted to sending laser instrument, sends laser instrument and convert the mix of traffic signal of telecommunication to optical signal, be transmitted through the fiber to reception laser instrument；
Receive laser instrument and the optical signal of reception is converted to the signal of telecommunication, the signal of telecommunication is divided into two-way, the 1 road signal of telecommunication is carried out broadband amplification, produce wideband electrical signal, from wideband electrical signal, separation and Extraction goes out to be loaded with the low-frequency electrical signal of modulation format, low-frequency electrical signal is recovered and Shape correction, obtains the modulation format signal that initially need to load；The another 1 road signal of telecommunication is exported as the regular traffic signal of telecommunication.
On the basis of technique scheme, described using the idiographic flow that the another 1 road signal of telecommunication exports as the regular traffic signal of telecommunication it is: the another 1 road signal of telecommunication is processed, obtains the regular traffic signal of telecommunication.
The carrier communication system based on laser instrument load-modulate for said method provided by the invention, this system includes transmitting terminal and receiving terminal；Transmitting terminal includes the drive circuit and the transmission laser instrument that are sequentially connected, and reception laser instrument, I/V translation circuit, wideband amplification circuit, low-frequency filter circuit and pattern that receiving terminal includes being sequentially connected recover shaping circuit；Send laser instrument and be connected by optical fiber with receiving laser instrument；
Drive circuit is used for: input the mix of traffic signal of telecommunication being loaded with modulation format to sending laser instrument；
Transmission laser instrument is used for: convert the described mix of traffic signal of telecommunication to optical signal, is transmitted through the fiber to the reception laser instrument of receiving terminal；
Reception laser instrument is used for: after converting the optical signal sending laser instrument transmission to current signal, send to I/V translation circuit；
I/V translation circuit is used for: described current signal is converted to voltage signal and is divided into two-way, and 1 tunnel sends to wideband amplification circuit, and 1 tunnel exports as the regular traffic signal of telecommunication；
Wideband amplification circuit is used for: the voltage signal that I/V translation circuit is sent is amplified, and produces wideband electrical signal, wideband electrical signal sends tremendously low frequency filter circuit；
Low-frequency filter circuit is used for: from wideband electrical signal, separation and Extraction goes out to be loaded with the low-frequency electrical signal of modulation format；
Pattern is recovered shaping circuit and is used for: low-frequency electrical signal is recovered and Shape correction, recovers to obtain original upload in the modulation format signal of drive circuit.
On the basis of technique scheme, described receiving terminal also includes service processing circuit, and it is used for: receives the output signal of telecommunication of described I/V translation circuit, is processed by the output signal of telecommunication, obtains the regular traffic signal of telecommunication.
On the basis of technique scheme, this intrasystem carrier modulation loading technique can be packaged into 2 modulation /demodulation carrier modules: the first modulation /demodulation module and the second modulation /demodulation module；Each modulation /demodulation carrier module all includes 1 transmitting terminal and 1 receiving terminal, the transmitting terminal of the first modulation /demodulation module and the receiving terminal communication of the second modulation /demodulation module, the receiving terminal of the first modulation /demodulation module and the transmitting terminal communication of the second modulation /demodulation module.
On the basis of technique scheme, this system also includes monitoring and management equipment, and it is used for: original upload has the mix of traffic signal of telecommunication of modulation format and recovers shaping circuit through pattern and recover and the management such as the mix of traffic signal of telecommunication that obtains of Shape correction is analyzed, judges, Comprehensive Control.
On the basis of technique scheme, the described incoming traffic signal of telecommunication includes channel monitoring management information.
Compared with prior art, it is an advantage of the current invention that:
The invention provides a kind of new carrier communication method based on laser instrument load-modulate, for in the carrier communication system based on laser instrument load-modulate of the method, laser instrument carries out load-modulate design, it is achieved that come together to carry out carrier communication function with service signal.
Compared with GCC of the prior art, the present invention carries out load-modulate design on laser instrument, and its operating process is fairly simple；Compared with tradition OSC of the prior art, invention not only avoids taking wavelength, it does not have the additional Insertion Loss to optical link, and can effectively expand the transmission range of optical link.Meanwhile, the present invention can also be used to the application such as Wavelength-tracking and the light carrier communication of WDM (WavelengthDivisionMultiplexing, wavelength-division multiplex) system, has wide commercial prospect.
Accompanying drawing explanation
Fig. 1 is the connection block diagram of the carrier communication system in the embodiment of the present invention based on laser instrument load-modulate；
Fig. 2 is the structured flowchart carrying out outside enforcement in the embodiment of the present invention based on the carrier communication system of laser instrument load-modulate；
Fig. 3 is the Wavelength-tracking connection diagram of the carrier communication system in the embodiment of the present invention based on laser instrument load-modulate.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The carrier communication method based on laser instrument load-modulate in the embodiment of the present invention, it is necessary to use 2 laser instrument: sending laser instrument and receive laser instrument, the method comprises the following steps:
Transmitting terminal: input the mix of traffic signal of telecommunication being loaded with modulation format to sending laser instrument, transmission laser instrument is transmitted to receiving laser instrument by fibre circuit after the mix of traffic signal of telecommunication is converted to optical signal.
Receiving terminal: the optical signal of reception is converted to the signal of telecommunication by receiving laser instrument and is divided into two-way, the 1 road signal of telecommunication is carried out broadband amplification, produce wideband electrical signal, from wideband electrical signal, separation and Extraction goes out to be loaded with the low-frequency electrical signal of modulation format, low-frequency electrical signal is recovered and Shape correction, obtains the modulation format signal that initially need to load.The another 1 road signal of telecommunication is exported (idiographic flow, for the another 1 road signal of telecommunication to be processed, obtains the regular traffic signal of telecommunication) as the regular traffic signal of telecommunication.
The carrier communication system based on laser instrument load-modulate for said method shown in Figure 1, in the embodiment of the present invention, including transmitting terminal and receiving terminal.Transmitting terminal includes the drive circuit and the transmission laser instrument that are sequentially connected, and receiving terminal includes service processing circuit and the reception laser instrument being sequentially connected, I (electric current)/V (voltage) translation circuit, wideband amplification circuit, low-frequency filter circuit and pattern recover shaping circuit；Send laser instrument and be connected by optical fiber with receiving laser instrument.
Drive circuit is used for: input the mix of traffic signal of telecommunication being loaded with modulation format to sending laser instrument.
Transmission laser instrument is used for: after the mix of traffic signal of telecommunication is converted to optical signal, is transmitted to receiving laser instrument by fibre circuit.
Reception laser instrument is used for: after the optical signal sending laser instrument transmission is converted to current signal, send to I/V translation circuit.
I/V translation circuit is used for: current signal is converted to voltage signal and is divided into two-way, and 1 tunnel sends to wideband amplification circuit, and 1 tunnel exports as the regular traffic signal of telecommunication.
Wideband amplification circuit is used for: the voltage signal that I/V translation circuit is sent is amplified, and produces wideband electrical signal, wideband electrical signal sends tremendously low frequency filter circuit.
Low-frequency filter circuit is used for: from wideband electrical signal, separation and Extraction goes out to be loaded with the low-frequency electrical signal of modulation format.
Pattern is recovered shaping circuit and is used for: low-frequency electrical signal is recovered and Shape correction, obtains original upload in the modulation format signal of drive circuit.
Service processing circuit is used for: receives the output signal of telecommunication of I/V translation circuit, is processed by the output signal of telecommunication, obtain the regular traffic signal of telecommunication.
Referring to shown in Fig. 1 and Fig. 2, when the carrier communication system based on laser instrument load-modulate in the embodiment of the present invention carries out outside enforcement, this intrasystem carrier modulation loading technique can be packaged into 2 modulation /demodulation carrier modules: the first modulation /demodulation module and the second modulation /demodulation module；Each modulation /demodulation carrier module all includes 1 transmitting terminal and 1 receiving terminal, the transmitting terminal of the first modulation /demodulation module and the receiving terminal communication of the second modulation /demodulation module, the receiving terminal of the first modulation /demodulation module and the transmitting terminal communication of the second modulation /demodulation module.
When the carrier communication system based on laser instrument load-modulate in the embodiment of the present invention carries out outside enforcement, the carrier communication method of transmitting terminal and receiving terminal elaborates above, does not repeat at this.
Shown in Figure 2, when the carrier communication system based on laser instrument load-modulate in the embodiment of the present invention carries out outside enforcement, also needing to use monitoring and management equipment, it is used for: to initially have modulation format the mix of traffic signal of telecommunication (such as channel monitoring management information etc.) and through pattern recover the mix of traffic signal of telecommunication that shaping circuit recovers and Shape correction obtains be analyzed, judge, the management such as Comprehensive Control.
Shown in Figure 3, in the wdm system of many ripples, when the carrier communication system based on laser instrument load-modulate in the embodiment of the present invention carries out outside enforcement, the light carrier means of communication of modulation /demodulation carrier module are:
Transmitting terminal in modulation /demodulation carrier module is to every ripple service signal load-modulate pattern, to identify wavelength relevant information, is loaded with output after the optical signal after the mix of traffic signal of telecommunication is processed to equipment such as optical transport switchings by fibre circuit transmission.
Receiving terminal in modulation /demodulation carrier module: the optical signal that the equipment such as optical transport switching are come is converted to the signal of telecommunication and is divided into two-way, the 1 road signal of telecommunication is carried out broadband amplification, produce wideband electrical signal, from wideband electrical signal, separation and Extraction goes out to be loaded with the low-frequency electrical signal of modulation format, low-frequency electrical signal is recovered and Shape correction, obtains original upload in the modulation format signal of drive circuit.The another 1 road signal of telecommunication is exported as the regular traffic signal of telecommunication.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, and these improvements and modifications are also considered as within protection scope of the present invention.The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, and these improvements and modifications are also considered as within protection scope of the present invention.The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (7)
1. the carrier communication method based on laser instrument load-modulate, it is characterised in that the method comprises the following steps:
The mix of traffic signal of telecommunication being loaded with modulation format is inputted to sending laser instrument, sends laser instrument and convert the mix of traffic signal of telecommunication to optical signal, be transmitted through the fiber to reception laser instrument；
Receive laser instrument and the optical signal of reception is converted to the signal of telecommunication, the signal of telecommunication is divided into two-way, the 1 road signal of telecommunication is carried out broadband amplification, produce wideband electrical signal, from wideband electrical signal, separation and Extraction goes out to be loaded with the low-frequency electrical signal of modulation format, low-frequency electrical signal is recovered and Shape correction, obtains the modulation format signal that initially need to load；The another 1 road signal of telecommunication is exported as the regular traffic signal of telecommunication.
2. the carrier communication method based on laser instrument load-modulate as claimed in claim 1, it is characterised in that: described using the idiographic flow that the another 1 road signal of telecommunication exports as the regular traffic signal of telecommunication be: the another 1 road signal of telecommunication is processed, obtains the regular traffic signal of telecommunication.
3. the carrier communication system based on laser instrument load-modulate of method described in claim 1 or 2, it is characterised in that: this system includes transmitting terminal and receiving terminal；Transmitting terminal includes the drive circuit and the transmission laser instrument that are sequentially connected, and reception laser instrument, I/V translation circuit, wideband amplification circuit, low-frequency filter circuit and pattern that receiving terminal includes being sequentially connected recover shaping circuit；Send laser instrument and be connected by optical fiber with receiving laser instrument；
Drive circuit is used for: input the mix of traffic signal of telecommunication being loaded with modulation format to sending laser instrument；
Transmission laser instrument is used for: convert the described mix of traffic signal of telecommunication to optical signal, is transmitted through the fiber to the reception laser instrument of receiving terminal；
Reception laser instrument is used for: after converting the optical signal sending laser instrument transmission to current signal, send to I/V translation circuit；
I/V translation circuit is used for: described current signal is converted to voltage signal and is divided into two-way, and 1 tunnel sends to wideband amplification circuit, and 1 tunnel exports as the regular traffic signal of telecommunication；
Wideband amplification circuit is used for: the voltage signal that I/V translation circuit is sent is amplified, and produces wideband electrical signal, wideband electrical signal sends tremendously low frequency filter circuit；
Low-frequency filter circuit is used for: from wideband electrical signal, separation and Extraction goes out to be loaded with the low-frequency electrical signal of modulation format；
Pattern is recovered shaping circuit and is used for: low-frequency electrical signal is recovered and Shape correction, recovers to obtain original upload in the modulation format signal of drive circuit.
4. the carrier communication system based on laser instrument load-modulate as claimed in claim 3, it is characterized in that: described receiving terminal also includes service processing circuit, it is used for: receives the output signal of telecommunication of described I/V translation circuit, is processed by the output signal of telecommunication, obtains the regular traffic signal of telecommunication.
5. the carrier communication system based on laser instrument load-modulate as described in claim 3 or 4, it is characterised in that: this intrasystem carrier modulation loading technique can be packaged into 2 modulation /demodulation carrier modules: the first modulation /demodulation module and the second modulation /demodulation module；Each modulation /demodulation carrier module all includes 1 transmitting terminal and 1 receiving terminal, the transmitting terminal of the first modulation /demodulation module and the receiving terminal communication of the second modulation /demodulation module, the receiving terminal of the first modulation /demodulation module and the transmitting terminal communication of the second modulation /demodulation module.
6. the carrier communication system based on laser instrument load-modulate as claimed in claim 5, it is characterized in that: this system also includes monitoring and management equipment, and it is used for: original upload is had the mix of traffic signal of telecommunication of modulation format and recovers shaping circuit through pattern and recover and the management such as the mix of traffic signal of telecommunication that obtains of Shape correction is analyzed, judges, Comprehensive Control.
7. the carrier communication system based on laser instrument load-modulate as claimed in claim 6, it is characterised in that: the described incoming traffic signal of telecommunication includes channel monitoring management information.
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| CN201610101131.8A CN105763261B (en) | 2016-02-24 | 2016-02-24 | A kind of carrier communication method and system based on laser load-modulate |
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| CN201610101131.8A CN105763261B (en) | 2016-02-24 | 2016-02-24 | A kind of carrier communication method and system based on laser load-modulate |
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| CN105763261B CN105763261B (en) | 2018-08-07 |
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