CN206878836U - Wavelength division multiplexing transmission apparatus and system - Google Patents
Wavelength division multiplexing transmission apparatus and system Download PDFInfo
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- CN206878836U CN206878836U CN201720823733.4U CN201720823733U CN206878836U CN 206878836 U CN206878836 U CN 206878836U CN 201720823733 U CN201720823733 U CN 201720823733U CN 206878836 U CN206878836 U CN 206878836U
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Abstract
The utility model provides Wavelength division multiplexing transmission apparatus and system, is related to technical field of optical fiber communication, including：Optical conversion element and wavefront optical module, wherein, optical conversion element includes wavefront optical interface and 3R circuits, and by wavefront optical interface, wavefront optical module is connected with 3R circuits；Wavefront optical module, the optical signal sent for receiving the first user side optical module, converts optical signals to electric signal, and electric signal is sent to 3R circuits；3R circuits, for Timing Processing to be amplified, regenerated and weighed to electric signal, obtain process signal, and process signal is sent to wavefront optical module, so that process signal is converted to wavelength-division-multiplexed optical signal by wavefront optical module, the hardware cost input of optical conversion element and optical module is saved, and reduces network transfer delay, improves the cost performance of wave division multiplexing transmission system.
Description
Technical field
Technical field of optical fiber communication is the utility model is related to, more particularly, to Wavelength division multiplexing transmission apparatus and system.
Background technology
With the industrial application of information technology development and bandwidth demand increasingly increase, people mostly select using wavelength-division multiplex (WDM,
Wavelength Division Multiplexing) Transmission system sets up transmission network, with solve few optical fiber and big bandwidth it
Between contradiction.
Currently conventional wave division multiplexing transmission system in the industry is configured with optical conversion element in business transmitting terminal and receiving terminal
(OTU, Optical Transform Unit), but it is increasingly huge with the portfolio of wavelength division multiplexing system carrying, light is changed
Also when the river rises the boat goes up for the quantitative requirement and quality requirement of unit and optical module, and great burden is brought to network construction cost, and
Network transfer delay is added, influences efficiency of transmission.
Utility model content
In view of this, the purpose of this utility model is to provide Wavelength division multiplexing transmission apparatus and system, and it is single to save light conversion
The hardware cost of member and optical module is put into, and reduces network transfer delay, improves the cost performance of wave division multiplexing transmission system.
In a first aspect, the utility model embodiment provides Wavelength division multiplexing transmission apparatus, including：Optical conversion element and wavelength-division
Sidelight module, wherein, the optical conversion element includes wavefront optical interface and 3R circuits, will by the wavefront optical interface
The wavefront optical module is connected with the 3R circuits；
The wavefront optical module, the optical signal sent for receiving the first user side optical module, the optical signal is turned
Electric signal is changed to, and the electric signal is sent to the 3R circuits；
The 3R circuits, for being amplified, regenerating and weighing Timing Processing to the electric signal, process signal is obtained, and
The process signal is sent to the wavefront optical module, so that the wavefront optical module is converted to the process signal
Wavelength-division-multiplexed optical signal.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, the wavefront optical module includes transmitter and receiver；
The receiver, for the optical signal to be converted into the electric signal, and the electric signal is sent to described
3R circuits；
The emitter, for the process signal to be converted into wavelength-division-multiplexed optical signal.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, the 3R circuits include weight amplifying circuit, for the electric signal to be carried out into limited range enlargement, obtain weight amplified signal.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, the 3R circuits also include shaping circuit of living again, and the shaping circuit of living again is connected with the heavy amplifying circuit, for inciting somebody to action
The heavy amplified signal carries out shaping of living again, and obtains reshaping signal of living again.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, the 3R circuits also include Retiming circuit, and the Retiming circuit is connected with the shaping circuit of living again, for by institute
State reshaping signal of living again and enter weight Timing Processing, obtain the process signal.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In, the optical conversion element also includes user side optical interface.
With reference in a first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, its
In, the wavefront optical module is removably connected with the optical conversion element by the wavefront optical interface.
With reference in a first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, its
In, the wavelength of optical signal that the first user side optical module is sent is 1310 nanometers.
With reference in a first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect, its
In, the receivable wavelength of optical signal scope of wavefront optical module includes 1271 nanometers -1611 nanometers.
Second aspect, the utility model embodiment also provide wave division multiplexing transmission system, including at least one as described above
Wavelength division multiplexing transmission apparatus, in addition to wave multiplexer, channel-splitting filter and optical fiber；
At least one Wavelength division multiplexing transmission apparatus is connected with the wave multiplexer, the wave multiplexer and the channel-splitting filter
It is connected；
The wave multiplexer, at least one wavelength division multiplexed light for generating at least one Wavelength division multiplexing transmission apparatus
Signal merges into a branch of optical signal, and is transmitted by the optical fiber to the channel-splitting filter；
The channel-splitting filter, for the optical signal of different wave length to be separated, and send to second user sidelight mould
Block.
The utility model embodiment provides Wavelength division multiplexing transmission apparatus and system, including：Optical conversion element and wavefront
Optical module, wherein, optical conversion element includes wavefront optical interface and 3R circuits, by wavefront optical interface, by wavefront optical mode
Block is connected with 3R circuits；Wavefront optical module, the optical signal sent for receiving the first user side optical module, optical signal is turned
Electric signal is changed to, and electric signal is sent to 3R circuits；3R circuits, during for being amplified, regenerating and resetting to electric signal at
Reason, obtains process signal, and process signal is sent to wavefront optical module, so that wavefront optical module changes process signal
For wavelength-division-multiplexed optical signal, the hardware cost input of optical conversion element and optical module is saved, and reduces network transfer delay, is improved
The cost performance of wave division multiplexing transmission system.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the Wavelength division multiplexing transmission apparatus structural representation that the utility model embodiment provides；
Fig. 2 is one of wave division multiplexing transmission system structural representation that the utility model embodiment provides；
Fig. 3 is the two of the wave division multiplexing transmission system structural representation that the utility model embodiment provides；
Fig. 4 is the wave division multiplexing transmission system configuration diagram that the utility model embodiment provides.
Icon：10- optical conversion elements；20- wavefront optical modules；30- wave multiplexers；40- channel-splitting filters；11- user sides
Optical interface；12-3R circuits；13- wavefront optical interfaces.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
Currently conventional wave division multiplexing transmission system in the industry is configured with optical conversion element in business transmitting terminal and receiving terminal
(OTU, Optical Transform Unit), but it is increasingly huge with the portfolio of wavelength division multiplexing system carrying, light is changed
Also when the river rises the boat goes up for the quantitative requirement and quality requirement of unit and optical module, and great burden is brought to network construction cost, and
Network transfer delay is added, influences efficiency of transmission.
Based on this, the Wavelength division multiplexing transmission apparatus and system that the utility model embodiment provides, it is single that light conversion can be saved
The hardware cost of member and optical module is put into, and reduces network transfer delay, improves the cost performance of wave division multiplexing transmission system.
It is described in detail below by embodiment.
Fig. 1 is the Wavelength division multiplexing transmission apparatus structural representation that the utility model embodiment provides.
Reference picture 1, Wavelength division multiplexing transmission apparatus include optical conversion element 10 and wavefront optical module 20, wherein, light conversion
Unit 10 includes wavefront optical interface 13 and 3R circuits 12, by wavefront optical interface 13, by wavefront optical module 20 and 3R electricity
Road 12 is connected；
Wavefront optical module 20, the optical signal sent for receiving the first user side optical module, converts optical signals to electricity
Signal, and electric signal is sent to 3R circuits 12；
3R circuits 12, for Timing Processing to be amplified, regenerated and weighed to electric signal, process signal is obtained, and will processing
Signal is sent to wavefront optical module 20, so that process signal is converted to wavelength-division-multiplexed optical signal by wavefront optical module 20.
Specifically, conventional wavelength-division multiplex (WDM) Transmission system currently in the industry configures in business transmitting terminal and receiving terminal
The user side service signal received is converted to standard wavelength-division by optical conversion element 10 (OTU), the transmitting terminal of optical conversion element 10
Multiplexed optical wavelengths signal, the receiving terminal of optical conversion element 10 are used to the standard wavelength-division multiplex optical wavelength signal received being converted to use
Family side business signal, 4 optical modules are have passed through altogether at this point for 1 point-to-point one-way transmission of service signal and 2 grades of light conversions are single
The propagation delay time that 3R circuits 12 are changed in member 10；
Here, for a point-to-point one-way transmission of service signal, the wavelength-division provided by the utility model embodiment is answered
With transmitting device, it is only necessary to put into 2 wavefront optical modules 20 and 1 grade of optical conversion element 10, while cost-effective, reduce
Propagation delay time, to reach the simplified purpose of the configuration of wavelength-division multiplex (WDM) system.
Wherein, optical conversion element 10 (OTU, Optical Transponder Unit) its include 1 user side optical interface
11 and 1 wavefront optical interfaces 13, need to configure optical module can use, and merge realization and the user side signal of access is converted into symbol
Multiplex divides the plate of multiplexing criteria wavelength signals；
Wherein, optical module (Optical Module)：It is made up of opto-electronic device, functional circuit and optical interface etc., photoelectricity
Sub- device includes transmitter and receiver two parts, and the effect of optical module is exactly opto-electronic conversion, and emitter converts electrical signals into
Optical signal is converted into electric signal by optical signal, receiver again.
Further, wavefront optical module 20 includes transmitter and receiver；
Receiver, sent for converting optical signals into electric signal, and by electric signal to 3R circuits 12；
Emitter, for process signal to be converted into wavelength-division-multiplexed optical signal.
Further, 3R circuits 12 include weight amplifying circuit, for electric signal to be carried out into limited range enlargement, obtain resetting big letter
Number.
Further, 3R circuits 12 also include shaping circuit of living again, and shaping circuit of living again is connected with weight amplifying circuit, uses
In weight amplified signal is carried out into shaping of living again, reshaping signal of living again is obtained.
Further, 3R circuits 12 also include Retiming circuit, and Retiming circuit is connected with shaping circuit of living again, and use
Enter weight Timing Processing in the reshaping signal that will live again, obtain process signal.
Here, 3R (Regeneration, Reshaping, Retiming) circuit, when meaning amplification, regenerating, reset；
Specifically, amplify：The small-signal of the distortion of input is amplified；
Regeneration：Waveform is regenerated again, obtains the pulse shape as transmitting terminal；
When resetting：Clock frequency is extracted from input signal, and obtains commutator pulse；
Further, optical conversion element 10 also includes user side optical interface 11.
Wherein, user side optical interface 11 is idle in the utility model embodiment, and without arranging in pairs or groups, user side optical module uses；
Further, wavefront optical module 20 is removably connected with optical conversion element 10 by wavefront optical interface 13
Connect.
Further, the wavelength of optical signal that the first user side optical module is sent is 1310 nanometers.
Further, the receivable wavelength of optical signal scope of wavefront optical module 20 includes 1271 nanometers -1611 nanometers.
Specifically, operation of receiver wave-length coverage using wavefront optical module 20 is wide, can receive 1271 nanometers-
1611 nanometers of wavelength, 1310 nanometers of the signal sent out to the insensitive characteristic of optical wavelength, user side equipment optical module emitter
It can directly be received by the receiver of wavefront optical module 20, be changed without passing through user side optical module again, save user side optical mode
The hardware input of block；
The utility model embodiment provides Wavelength division multiplexing transmission apparatus, including：Optical conversion element and wavefront optical module,
Wherein, optical conversion element includes wavefront optical interface and 3R circuits, by wavefront optical interface, by wavefront optical module and 3R electricity
Road is connected；Wavefront optical module, the optical signal sent for receiving the first user side optical module, converts optical signals to telecommunications
Number, and electric signal is sent to 3R circuits；3R circuits, for Timing Processing to be amplified, regenerated and weighed to electric signal, obtain everywhere
Signal is managed, and process signal is sent to wavefront optical module, is answered so that process signal is converted to wavelength-division by wavefront optical module
With optical signal, the hardware cost input of optical conversion element and optical module is saved, and reduces network transfer delay, improves wavelength-division multiplex
The cost performance of Transmission system.
Further, as shown in Fig. 2 the utility model embodiment additionally provides wave division multiplexing transmission system, including at least
One Wavelength division multiplexing transmission apparatus as described above, in addition to wave multiplexer 30, channel-splitting filter 40 and optical fiber；
At least one Wavelength division multiplexing transmission apparatus is connected with wave multiplexer 30, and wave multiplexer 30 is connected with channel-splitting filter 40；
Wave multiplexer 30, at least one wavelength-division-multiplexed optical signal at least one Wavelength division multiplexing transmission apparatus to be generated converge
A branch of optical signal is synthesized, and is transmitted through the fiber to channel-splitting filter 40；
Channel-splitting filter 40, for the optical signal of different wave length to be separated, and send to second user sidelight module.
Wherein, wave multiplexer 30 is generally located on transmitting terminal, (can carry the optical signal of two or more different wave lengths each
Kind information) merge together, and be coupled in the same root optical fiber of optical link and be transmitted, channel-splitting filter 40 is generally located on reception
End, the various wavelength channels in an optical fiber are separated；
Specifically, wavefront optical module 20 is connected in optical conversion element 10 by wavefront optical interface 13, obtains first
Optical signal that user side optical module is sent simultaneously is converted to electric signal, then electric signal transmission to 3R circuits 12 is handled, and handles
The loopback wavefront optical module 20 again of electric signal afterwards, is allowed to be converted into wavelength-division-multiplexed optical signal, then merge into by wave multiplexer 30
It is a branch of, channel-splitting filter 40 is transmitted through the fiber to, different wave length optical signal is separated again, is sent to second user sidelight module
In, it is reversely as the same, it will not be repeated here；
Wherein, the utility model embodiment can also realize several the first user side optical modules to second user sidelight module
One-way transmission, reversely also can, as shown in figure 3, specific transmitting procedure is identical with Fig. 2, will not be repeated here；
Here, wavelength-division multiplex is the transmission system of a multi-wavelength, and transmission bandwidth is huge, and can flexible expansion.At present, industry
The wavelength-division multiplex system of boundary's main flow is 40/80 ripple.If each wavelength transmission 10G bandwidth, then what 80 wavelength can transmit
Bandwidth is up to 800G；If each wavelength transmission 40G bandwidth, then 80 transmittable bandwidth of wavelength are up to 3.2T；
If each wavelength transmission 100G bandwidth, then simple optical fiber can be achieved to 8T magnanimity transmission bandwidth.
Fig. 4 is the wave division multiplexing transmission system configuration diagram that the utility model embodiment provides.
Received as shown in figure 4, operation of receiver wave-length coverage using wavefront optical module 20 is wide, can receive 1271
The wavelength of -1611 nanometers of rice, to the insensitive characteristic of optical wavelength, send out 1310 nanometers of user side equipment optical module emitter
Signal can be received directly by the receiver of wavefront optical module 20, and here, wavefront optical module 20 changes the optical signal received
Into electric signal, the 3R circuits 12 of optical conversion element 10 are amplified to the electric signal, regenerated, weighing Timing Processing, the electricity after processing
Signal is converted into optical signal by wavefront optical module 20 again by circuit Loopback Mode and exported, and output is exactly wavelength-division multiplex standard
Wavelength channels, multiple wavelength-division multiplex standard wave length optical signals merge together after wave multiplexer 30, are passed by an optical fiber
Transport to opposite end；
Wherein, the channel-splitting filter 40 of opposite end separates the various wavelength channels in this root optical fiber, also with
The operation of receiver wave-length coverage of family equipment optical module (1310nm) is wide, can receive 1271 nanometers -1611 nanometers of ripple
Long, to the insensitive characteristic of optical wavelength, the optical signal that channel-splitting filter 40 is separated can be received by customer equipment optical module (1310nm)
Machine directly receives, and without passing through the step of receiving terminal user side optical module is changed again, this is a unidirectional signal flow direction,
It is reversely as the same.
Wherein, TX interfaces represent transmitting terminal, and RX interfaces represent receiving terminal；λ represents optical wavelength mark, i.e., from user equipment 1
Transmit the optical signal of different wave length.
The wave division multiplexing transmission system that the utility model embodiment provides, the wave division multiplex transmission provided with above-described embodiment
Device has identical technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
The device that the utility model embodiment is provided can be equipment on specific hardware or be installed in equipment
Software or firmware etc..The device that the utility model embodiment is provided, its realization principle and caused technique effect and foregoing side
Method embodiment is identical, and to briefly describe, device embodiment part does not refer to part, refers in corresponding in preceding method embodiment
Hold.It is apparent to those skilled in the art that for convenience and simplicity of description, system described above, device
With the specific work process of unit, the corresponding process in above method embodiment is may be referred to, will not be repeated here.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in embodiment provided by the utility model can be integrated in a processing unit,
Can also be that unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, the technical solution of the utility model substantially or
Person says that the part of the part to be contributed to prior art or the technical scheme can be embodied in the form of software product,
The computer software product is stored in a storage medium, including some instructions are causing a computer equipment (can be with
Personal computer, server, or network equipment etc.) perform each embodiment methods described of the utility model whole or portion
Step by step.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with store program codes
Medium.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing, in addition, term " the
One ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Various embodiments above is merely to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. Wavelength division multiplexing transmission apparatus, it is characterised in that including：Optical conversion element and wavefront optical module, wherein, it is described Optical conversion element includes wavefront optical interface and 3R circuits, by the wavefront optical interface, by the wavefront optical module and The 3R circuits are connected；The wavefront optical module, the optical signal sent for receiving the first user side optical module, the optical signal is converted to Electric signal, and the electric signal is sent to the 3R circuits；The 3R circuits, for being amplified, regenerating and weighing Timing Processing to the electric signal, obtain process signal, and by institute State process signal to send to the wavefront optical module, so that the process signal is converted to wavelength-division by the wavefront optical module Multiplexing optical signal.
- 2. Wavelength division multiplexing transmission apparatus according to claim 1, it is characterised in that the wavefront optical module includes transmitting Machine and receiver；The receiver, for the optical signal to be converted into the electric signal, and the electric signal is sent to 3R electricity Road；The emitter, for the process signal to be converted into wavelength-division-multiplexed optical signal.
- 3. Wavelength division multiplexing transmission apparatus according to claim 1, it is characterised in that the 3R circuits include resetting big electricity Road, for the electric signal to be carried out into limited range enlargement, obtain weight amplified signal.
- 4. Wavelength division multiplexing transmission apparatus according to claim 3, it is characterised in that the 3R circuits also include shaping of living again Circuit, the shaping circuit of living again is connected with the heavy amplifying circuit, for the heavy amplified signal to be carried out into shaping of living again, Obtain reshaping signal of living again.
- 5. Wavelength division multiplexing transmission apparatus according to claim 4, it is characterised in that electricity when the 3R circuits also include resetting Road, the Retiming circuit are connected with the shaping circuit of living again, for the reshaping signal of living again to be entered into weight Timing Processing, Obtain the process signal.
- 6. Wavelength division multiplexing transmission apparatus according to claim 1, it is characterised in that the optical conversion element also includes user Sidelight interface.
- 7. Wavelength division multiplexing transmission apparatus according to claim 6, it is characterised in that the wavefront optical module and the light Converting unit is removably connected by the wavefront optical interface.
- 8. Wavelength division multiplexing transmission apparatus according to claim 1, it is characterised in that the first user side optical module is sent Wavelength of optical signal be 1310 nanometers.
- 9. Wavelength division multiplexing transmission apparatus according to claim 8, it is characterised in that the wavefront optical module is receivable The wavelength of optical signal scope includes 1271 nanometers -1611 nanometers.
- 10. a kind of wave division multiplexing transmission system, it is characterised in that including any one of at least one claim 1-9 Wavelength division multiplexing transmission apparatus, in addition to wave multiplexer, channel-splitting filter and optical fiber；At least one Wavelength division multiplexing transmission apparatus is connected with the wave multiplexer, and the wave multiplexer is connected with the channel-splitting filter Connect；The wave multiplexer, at least one wavelength-division-multiplexed optical signal for generating at least one Wavelength division multiplexing transmission apparatus A branch of optical signal is merged into, and is transmitted by the optical fiber to the channel-splitting filter；The channel-splitting filter, for the optical signal of different wave length to be separated, and send to second user sidelight module.
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| CN201720823733.4U CN206878836U (en) | 2017-07-07 | 2017-07-07 | Wavelength division multiplexing transmission apparatus and system |
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| CN201720823733.4U CN206878836U (en) | 2017-07-07 | 2017-07-07 | Wavelength division multiplexing transmission apparatus and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861758A (en) * | 2019-03-29 | 2019-06-07 | 广州芯泰通信技术有限公司 | A kind of the 5G forward pass system and equipment of novel low-cost low delay |
-
2017
- 2017-07-07 CN CN201720823733.4U patent/CN206878836U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861758A (en) * | 2019-03-29 | 2019-06-07 | 广州芯泰通信技术有限公司 | A kind of the 5G forward pass system and equipment of novel low-cost low delay |
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