CN109361473A - High-speed high capacity photonic transport networks - Google Patents
High-speed high capacity photonic transport networks Download PDFInfo
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- CN109361473A CN109361473A CN201811483259.0A CN201811483259A CN109361473A CN 109361473 A CN109361473 A CN 109361473A CN 201811483259 A CN201811483259 A CN 201811483259A CN 109361473 A CN109361473 A CN 109361473A
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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
- H04B10/70—Photonic quantum communication
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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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2581—Multimode transmission
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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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
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- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Abstract
A kind of a kind of high-speed high capacity photonic transport networks disclosed by the invention, it is desirable to provide the transmission network that integrated level is high, time delay is stable.The technical scheme is that: any primary DBF module is connected each secondary DBF module, each secondary DBF module is connected final stage DBF module, primary DBF module is established to symmetrical data communication photonic transport networks between secondary DBF module and between secondary DBF module and final stage DBF module, all optical fiber links are connect by directly connecing after optical electrical, electrical/optical conversion with on-site programmable gate array FPGA high speed GTH interface in DBF modules at different levels, and optical fiber link physical connection mode is fixed between modules at different levels；Primary DBF module receives or sends digital signal to multiple secondary DBF modules, and final stage DBF module receives or sends the digital signal of multiple secondary DBF modules, constitutes the transmission network of a multistage bidirectional transmission digital signal.
Description
Technical field
The invention belongs to modular integrated system integrated technology fields, and in particular to a kind of internal system intermodule optic communication
Transmission field bandwidth is more than the high-speed high capacity transmission network of 40GHz.
Technical background
With being skyrocketed through for global traffic amount, form of service becomes more diverse, and high-speed integrated services network has become
For the development trend of modern communication networks.Future optical networks optical fiber has extremely wide frequency band, can transmit huge information capacity,
Following broadband network by with Tb/s handling capacity and Gb/s enter line rate.Highest network performance, minimum every bit
Transmission cost and most personalized network are that future network will the primary demand that faces of emphasis.In high-speed network, high speed
Rate refers to high speed, the interface of low time delay and high-speed line transmission；Large capacity refers to node to big connection, large span, multi-direction number
According to the transfer processing capacity of stream；If continuing using original SDXC or ATM DXC/ADM equipment, node device is by the very huge of change
It is big complicated, realize that difficulty is increasing.The integrated limitation for breaking the classical joint formula system integration of modular integrated system, will be multiple
The equipment of functional independence carries out comprehensive integration as a whole, in module level.This system integration is required to access various
Aerial signal realizes that communication, radar, electricity such as detect at the tasks on the same hardware platform, and therefore, corresponding transmission network just needs to have
Standby serial (flowing water) signal, parallel signal and array signal transmission process ability.Usual this kind of system all has while multichannel
The characteristics of ADC input, high bandwidth, high transfer rate, multi-processing module, one side intermodule access is more, the transmission of unipath signal
Rate is in 10Gbps or more, conventional backing plate wiring, rate, walk in terms of be all unable to satisfy design requirement, another party
Face use optical switching network, do not simply fail to be provided simultaneously with one-to-many and many-to-one ability, but also bring bulky and when
Prolong the problems such as uncertain.
" a kind of Digital Array Radar optical fiber transmission network " disclosed in existing patent document uses the jump based on optical splitter
Wiretap design, only meets the signal transmission demand more than Digital Array Radar single pair, is difficult to meet digital beam froming (DBF)
Transmission demand, it is even more impossible to meet the needs of a variety of transmission modes simultaneously.The prior art " the multi-service high speed fibre based on FPGA
Transmission system " LVDS bus is used, single channel rate only has 1Gbps, and not only rate is unable to satisfy, but also to module and chip interface
Ability is also a kind of test.
Summary of the invention
The present invention is directed to the demand and the deficiencies in the prior art that modular integrated system integrates, provide a kind of integrated level it is high,
With time delay, stable, cheap high-speed high capacity photonic transport networks, cannot be met simultaneously with solving existing transmission network
The demand of high-speed high capacity real-time Transmission between integrated system multimode.
To achieve the goals above, the present invention provides a kind of high-speed high capacity photonic transport networks, comprising: externally transmitting-receiving
The primary DBF module 1 of digital signal, primary DBF module 2, the primary DBF module n of primary DBF module 3 ..., secondary DBF module 1,
The secondary DBF module m of secondary DBF module 2 ... and final stage DBF module, and all optical fiber links are bi-directional transfer path,
It is characterized by: any primary DBF module is connected with each secondary DBF module, each secondary DBF module and final stage DBF mould
Block is connected, establish primary DBF module between secondary DBF module and between secondary DBF module and final stage DBF module symmetrically
Data communication photonic transport networks, all optical fiber links are in DBF modules at different levels, by straight after optical electrical, electrical/optical conversion
It connects and is connect with on-site programmable gate array FPGA high speed GTH interface, optical fiber link physical connection mode is solid between modules at different levels
Fixed, the transmittable digital signal of primary DBF module to multiple secondary DBF modules or the digital signal of the multiple secondary DBF modules of receipts are secondary
Grade DBF module can receive the digital signal of multiple primary DBF modules or send digital signal to multiple primary DBF modules, final stage
DBF module can receive the digital signal of multiple secondary DBF modules or send digital signal to multiple secondary DBF modules, whole structure
The high-capacity and high-speed photonic transport networks of digital signal are transmitted between multistage DBF module at one.
The present invention has following beneficial to effect good effect compared with the prior art:
Integrated level is high.The present invention is connected with each secondary DBF module using any primary DBF module, each secondary DBF module
It is connected with final stage DBF module, establishes the data communication photonic transport networks between DBF modules at different levels, not only integrated level is high, but also
The primary DBF module used has to the holosymmetric Networking Design of fiber transmission link between secondary DBF signal processing module
Stronger flexibility can flexibly form a variety of interconnection topologys such as serial signal, parallel signal and array signal, in general-purpose system
Middle satisfaction communication, radar, electricity such as detect at a variety of application models.
Stablize with time delay.The present invention in DBF modules at different levels, passes through optical electrical, electrical/optical using all optical fiber links
It is directly connect with FPGA high speed GTH interface after conversion, optical fiber link physical connection mode is fixed between modules at different levels, is not present one
As exchange network configure different bring delay-non-determinisms because of link exchange；Meanwhile as in link it is only possible bring when
Prolong optical electrical, the electric to optic converter part of shake, jitter range is generally in 200 picoseconds of (ps) ranks, to usual 10 nanosecond
(ns) the synchronous requirement more than does not cause materially affect.
The present invention is directly interconnected with multimode fibre using the port FPGA high speed GTH, and the transmission of 7.5Gbps is up to single channel
Rate；It is interconnected between multiple primary DBF modules using large-scale optical fiber, whole network primary to secondary signal transmission capacity
Up to huge transmittability.
The present invention uses wavelength for the multimode fibre medium of 850nm in real time, has stable time delay, integrated level height, price just
The advantages that suitable.It is provided for array antenna high-speed sampling signal transmission in space flight and aviation synthesization electronic system and digital velocity of wave synthesis
A kind of flexible real-time synchronization transmission network channel.
Detailed description of the invention
Fig. 1 is that real time high-speed large capacity photonic transport networks of the invention generally interconnect schematic diagram.
Fig. 2 is that the module level Integrated system real time high-speed large capacity photonic transport networks of Fig. 1 preferred embodiment form figure.
The communication class function serial/parallel that Fig. 3 is Fig. 2 handles task instances schematic diagram.
The multistage DBF that the radar class digital array simple beam that Fig. 4 is Fig. 2 is formed instantiates schematic diagram.
The multistage DBF that the electricity that Fig. 5 is Fig. 2 detects class digital array Multibeam synthesis instantiates schematic diagram.
Referring to the attached drawing for showing the present embodiment, following embodiment will be helpful to those skilled in the art and further understand
The present invention, but the invention is not limited in any way.Reply is, it is noted that those skilled in the art, not
Under the premise of being detached from present inventive concept, various modifications and improvements can be made.These are all within the scope of protection of the present invention.Under
In conjunction with attached drawing, the present invention is further described in face.
Specific embodiment
Refering to fig. 1.In the embodiment described below, a kind of high-speed high capacity photonic transport networks, comprising: externally transmitting-receiving
Primary DBF module 1 that the number of digital signal is, primary DBF module 2, primary DBF module 3 ... primary DBF module n, number are
Secondary DBF module 1, the final stage DBF module that the secondary DBF module m of secondary DBF module 2 ... and number are, and each primary
Total input/output number of links of DBF module to secondary DBF module is identical, it is each secondary model to primary module it is total input/
Output link number is also identical.Meanwhile any primary DBF module is connected with each secondary DBF module, each secondary DBF mould
Block is connected with final stage DBF module, establishes primary DBF module between secondary DBF module and secondary DBF module and final stage DBF
Fiber transmission link data communication photonic transport networks between module, all optical fiber links pass through in DBF modules at different levels
It directly connects after optical electrical, electrical/optical conversion and is connect with on-site programmable gate array FPGA high speed GTH interface, optical fiber between modules at different levels
Link physical connection type is fixed, and all optical fiber links are bi-directional transfer path.
Primary DBF number of modules F1Depending on the number of active lanes T of module level Integrated system required input output signal, with
And the single primary manageable number of active lanes P of DBF module, i.e., For the symbol that rounds up；Secondary DBF mould
Block number mesh F2Depending on being formed simultaneously the number D of wave beam needed for system, and single primary DBF module is to single secondary DBF mould
The wave beam number of block optical fiber link maximum transmittedVRFor optical fiber link transmission rate, VDFor wave beam rate,
To be rounded symbol downwards, i.e.,It is exported for the ease of fusion treatment and result, final block number Fe=1.
Since primary DBF module to the fiber transmission link between secondary DBF module uses symmetric design, i.e., any primary
DBF module is connected with each secondary DBF module, and any secondary DBF module is connected with each primary module, and each primary
Total input/output number of links of DBF module to secondary DBF module is identical, and each secondary DBF module is to primary DBF module
Total input/output number of links is also identical；Therefore, total input/output that each primary DBF module is connected with secondary DBF module
Number of links N1With secondary DBF number of modules F2It is identical, i.e. N1=F2, each secondary DBF module is connected with primary DBF module
Input/output number of links N2With secondary DBF number of modules F1It is identical, i.e. N2=F1。
Primary, secondary and final stage DBF module is based on FPGA design, all optical fiber links directly with FPGA high speed GTH
Interface connection, realizes the high speed real-time Transmission of signal；Therefore, in order to reach the interconnection of more extensive, bigger transmission capacity, as far as possible
Choose the fpga chip of the port high speed GTH more (such as larger than 40).
Primary, the secondary and final stage DBF signal processing module is based on on-site programmable gate array FPGA design, owns
Optical fiber link is directly connect with FPGA high speed GTH interface, realizes the high speed real-time Transmission of signal；Photon transmission use wavelength for
The multimode fibre medium of 850nm, has that transmission belt roomy (>=10Gbps), time delay are stable, integrated level is high, cheap etc. excellent
Point meets the high-capacity and high-speed transmission demand between the extensive signal processing module of internal system.
The photonic transport networks preferred embodiment is primary F1=10 primary DBF module, secondary F2=6 primary DBF
Module, final stage Fe=1 final stage DBF module；GTH high speed fibre chain of any primary module to any secondary DBF module
The road number mesh R=6, it is all primary to secondary total 2 × 360 tunnel of transmitting-receiving number of fibers, 2 times of expression transmitted in both directions, each port
Rate V is received and dispatched by optical fiber link1=7.5Gbps, 2 × 2700Gbps of corresponding two-way resultant signal transmittability.
Optical fiber link of the secondary DBF module to final block, any secondary GTH high speed fibre chain for arriving final stage
The road number mesh R=6, all secondary total 2 × 36 tunnels of transmitting-receiving number of fibers for arriving final stage, corresponding two-way resultant signal transmittability 2
×270Gbps。
The photonic transport networks, corresponding communication class function serial/parallel processing task carry out instantiation deployment, Ke Yishi
Now such as 2 road serial signal treatment channels, multi-path serial signal processing channel, the serial multi-path parallel signal treatment channel in 2 roads,
And the deployment transmission of the multi-path parallel signal treatment channel of multi-path serial.
The photonic transport networks, the multistage DBF that corresponding radar class digital array simple beam is formed instantiate deployment, can be with
Realize such as second level simple beam DBF signal path, three-level simple beam DBF signal path, level Four and the above simple beam DBF letter of level Four
The deployment transmission in number channel.
The photonic transport networks, corresponding electricity detect the multistage DBF instantiation deployment of class digital array Multibeam synthesis, can be with
Realize the deployment transmission of such as second level simultaneous multiple beams DBF signal path and three-level simultaneous multiple beams DBF signal path.
Refering to Fig. 2.According to the photonic transport networks structure that Fig. 1 is provided, it is preferably implemented in certain module level Integrated system
A kind of real time high-speed large capacity photonic transport networks of example；The present embodiment high-speed high capacity photonic transport networks are with the battle array of 64 array elements
Array antenna maximum input/output digital signal is divided into 64 tunnels, and each primary DBF module includes to receive digital array multi-channel A/D to adopt
The FPGA module of sample signal, each FPGA module include main module and optical electrical conversion subcard containing FPGA1, FPGA2, Mei Geci
Grade DBF module includes main module and optical electrical conversion subcard containing FPGA1, FPGA2, and each final stage DBF module includes junction
The on-site programmable gate array FPGA of device is managed, the optical electrical conversion module of each primary DBF module connects secondary by multiplexer channel
The optical electrical conversion module of DBF module forms cross-connect networks, and the FPGA module of each secondary DBF module is connect by high speed GTH
The on-site programmable gate array FPGA of mouth connection final stage DBF module.In view of the interface capability and processing energy of primary DBF module
Power, each 8 railway digital signal of primary DBF module maximum input/output, therefore primary DBF number of modules
According to the module level Integrated system electronic reconnaissance functional requirement, single primary DBF module to single secondary DBF module Unidirectional light
Fine 2 road 19.5Gbps beam signal of link maximum transmission, i.e.,Therefore secondary DBF
Number of modulesWherein, P indicates the manageable number of active lanes of single primary DBF module, and T indicates that system is defeated
Enter the overall channel number of output digit signals, B indicates that single primary DBF module is maximum to single secondary DBF module optical fiber link
The wave beam number of transmission, VRIndicate optical fiber link transmission rate, VDIt indicates single wave beam rate, is formed simultaneously needed for D expression system
The number of wave beam.
In order to ensure resource excess, system reliability is improved, the present embodiment designs the number F of primary DBF module1=10,
10 mark, the number F of secondary DBF module respectively with 1,2,3 ... ...2=6,6 mark, final stage DBF mould respectively with 1,2,3 ... ...
Block number mesh Fe=1；Total input/output number of links N that single primary DBF module is connected with secondary DBF module1=F2=6, it is single
The input/output number of links N that a secondary DBF module is connected with primary DBF module2=F1=10.
In module level Integrated system system, primary DBF module and secondary DBF module use identical design,
The FPGA main module and photoelectricity electric light that each primary DBF module and secondary DBF module are made of the identical fpga chip of two panels
Subcard composition is converted, wherein fpga chip has 80 ports high speed GTH, and rate V is received and dispatched by optical fiber link in each port1=
7.5Gbps；Final stage DBF module is made of a piece of fpga chip and a piece of cpu chip, fpga chip and primary DBF module and secondary
The fpga chip of grade DBF module is identical；Consider optical fiber scale and data transfer demands, any primary DBF module to any secondary
The road GTH high speed fibre transmission link number R=6 of DBF module, between any primary DBF module and any secondary DBF module
Signal transmitted in both directions rate VR=2 × RV1=2 × 45Gbps, 2 times of expression transmitted in both directions；Therefore, any primary DBF module
Receive and dispatch number of fibers NR1=2 × N2The tunnel R=2 × 36, two-way rate are VF1；Two-way rate VF1=NR1·V1=F2·VR=
2 × 6 × 45Gbps=2 × 270Gbps, the transmitting-receiving number of fibers N of any secondary DBF moduleR2=2 × N1The tunnel R=2 × 60,
Corresponding two-way rate is VF2, and VF2=NR2·V1=F1·VR=2 × 10 × 45Gbps=2 × 450Gbps, all primary
To secondary total transmitting-receiving number of fibers NR1R2=2 × NR1·F1R=2 × NR2·F2The tunnel R=2 × 360, it is corresponding two-way total
Signal transmission capabilities VF1F2=NR1R2·V1=F1·VF1=F2·VF2=2 × 10 × 270Gbps=2 × 6 × 450Gbps=2 ×
2700Gbps。
Optical fiber link of the secondary DBF module to final stage DBF module, the GTH high speed of any secondary DBF to final stage DBF module
The road fiber transmission link number R=6, two-way transmission capabilities VR=2 × RV1=2 × 45Gbps and primary DBF module are to secondary
Grade DBF module is consistent, total transmitting-receiving number of fibers N of all secondary DBF modules to final stage DBF moduleR2Re=2 × F2·FeR=
2 × 36 tunnels, corresponding two-way resultant signal transmittability VF2Fe=NR2Re·V1=2 × 270Gbps.
Refering to Fig. 3.The multistage for the communication class function that the present embodiment is disposed with Fig. 2 embodiment is serial and multidiameter delay processing is appointed
Business instantiation, by taking receiving direction as an example, sending direction is similarly；Exemplary embodiments include 2 road serial signal channels, multi-path serial letter
The multi-path parallel signal channel in number channel, 2 roads serial multi-path parallel signal channel and multi-path serial.
The 2 road serial signal channels shown in Fig. 3 (a) indicate the digital signal of A/D sampling input, pass through a primary
DBF module is sent into a secondary DBF module through serial signal channel 1, passes through after secondary DBF module completion signal processing and serially believes
Number channel 2 is output to the signal path established by optical fiber link, i.e. digital signal passes through 1 primary connected by optical fiber link
DBF module and 1 secondary DBF module carry out serial signal twice and handle.Generally, primary DBF module can be 10 primary
Any one in DBF module, secondary DBF module can be any one in 6 secondary DBF modules.
The multi-path serial signal path shown in Fig. 3 (b) indicates the digital signal of A/D sampling input, leads to a primary DBF
Module is sent into a secondary DBF module after secondary DBF module completes signal processing through serial signal channel 1 and passes through secondary DBF
Module to primary DBF module reverse optical fiber link establishment serial signal channel 2, be sent into another primary DBF module, it is primary
There is the backward channel of optical fiber link to be transferred to primary DBF module after DBF module secondary treatment, so intersects and back and forth form i
Channel after primary DBF resume module, and enters the serial signal channel i established by optical fiber link, so passes through primary
DBF module is constantly serially gone down to the round-trip link between secondary DBF module, generally, as at the beginning of 10 of fiber optic network interconnection
Grade DBF module and 6 secondary DBF modules, can satisfy most i=18 multi-path serial signal paths.
The serial multi-path parallel signal channel in 2 roads shown in Fig. 3 (c) illustrates can dispose 1 primary DBF mould simultaneously
The road the j parallel signal of block and 1 secondary DBF block coupled in series；The multi-path digital signal of input primary DBF module is believed by parallel j
Secondary DBF module is sent into number channel 1, and secondary DBF module passes through parallel j signal path 2 and exports the road j parallel signal.Generally, most
Big and number of lines is secondary DBF number of modules j=F2=6；
The multi-path parallel signal channel of the multi-path serial shown in Fig. 3 (d) illustrates can dispose i primary DBF simultaneously
Module+secondary DBF block coupled in series the road j parallel signal；Generally, can with concurrently deployed largest serial number i and it is maximum simultaneously
The constraint condition of row j deployment is i × j≤F1+F2=18.The multi-path digital signal for inputting primary DBF module passes through parallel j signal
Secondary DBF module is sent into channel 1, and the output road j parallel signal is sent into primary by parallel j signal path 2 by secondary DBF module
DBF module, primary DBF module export the road j parallel signal through parallel j signal path i.
Refering to Fig. 4.The present embodiment is with the multistage DBF of Fig. 2 embodiment deployment radar class digital array Wave beam forming, to receive
For direction, sending direction is similarly.
Second level DBF signal path shown in Fig. 4 (a) illustrates that multiple primary DBF modules are connected to by optical fiber link
The same secondary DBF module.Multi-path digital signal is sent into a secondary DBF module by multiple primary DBF modules and completes number
Beam synthesis, secondary DBF module are exported after completing Beam synthesis by composite signal channel in figure；10 primary DBF modules
Maximum input digital array signal number T=F1P=10 × 8=80, when inputting digital array signal number less than 80 tunnel,
If 64 tunnels only need 8 primary primary DBF modules, remaining 2 primary primary DBF modules can be used as deployment and back up, and one time
Grade DBF module can be F2Operational blocks which partition system in=6, after being deployed in one of secondary primary DBF module, remaining 5 times
Grade primary DBF module can be used as backup.
Three-level DBF signal path shown in Fig. 4 (b) illustrates that multi-path digital signal passes through multiple primary DBF modules, multiple
Secondary DBF module and a final stage DBF module complete digital bea mforming, moreover, multiple primary DBF modules pass through optical fiber chain
Road is connected to all multiple secondary DBF modules, and secondary DBF module is connected to by optical fiber link again after completing secondary Beam synthesis
One final stage DBF module, after finally completing final stage Beam synthesis by final stage DBF module, final stage DBF module is logical by composite signal
Road is output to the composite signal channel established by optical fiber link；Assuming that equally having 64 railway digital signals, through 8 primary DBF modules
All 3 secondary are input to the optical fiber link between secondary DBF module by primary DBF module after the primary Beam synthesis of completion
DBF module passes through secondary DBF module to the light between final stage DBF module after 3 secondary DBF modules complete secondary Beam synthesis
Fine link is input to 1 final stage DBF module, after finally completing final stage Beam synthesis by a final stage DBF module, be output to by
The composite signal channel that optical fiber link is established.
The above DBF signal path of level Four and level Four shown in Fig. 4 (c) similarly with Fig. 4 (b) illustrates multi-path digital signal
Multiple secondary DBF modules are sent by multiple primary DBF modules, complete multi-stage digital Beam synthesis through multiple primary DBF modules,
Again through multiple secondary DBF modules ..., finally by end primary DBF module by the multi-stage digital Beam synthesis signal of completion
It is exported from composite signal channel.Assuming that there are 48 railway digital signals, pass through after 6 primary DBF modules complete primary Beam synthesis
Primary DBF module is input to all 4 secondary DBF modules, 4 secondary DBF modules to the optical fiber link between secondary DBF module
After completing secondary Beam synthesis, all 2 are input to the reverse optical fiber link between primary DBF module by secondary DBF module
A primary DBF module, after 2 primary DBF modules complete three-level Beam synthesis, by primary DBF module to secondary DBF module it
Between optical fiber link be input to it is all with 1 secondary DBF module, finally by 1 secondary DBF module completion level Four Beam synthesis
Afterwards, it is output to the composite signal channel established by optical fiber link.
Refering to Fig. 5.The present embodiment detects the multistage of the digital array Multibeam synthesis of class function with Fig. 2 embodiment deployment electricity
DBF, electricity detect class function and generally there was only digital signal reception.
Second level simultaneous multiple beams DBF signal path shown in Fig. 5 (a) illustrates that multi-path digital signal passes through by multiple
Primary DBF module, multiple secondary DBF modules complete multi-path digital Beam synthesis, moreover, multiple primary DBF modules pass through light
Fine link connection is to all multiple secondary DBF modules, and multiple secondary DBF modules complete multiple secondary Beam synthesis, through synthesis letter
The output of number channel；Generally, the digital beam maximum number D of synthesismax=F2B=12.
Three-level simultaneous multiple beams DBF signal path shown in Fig. 5 (b) illustrates two groups of digital signals, passes through respectively
Multiple primary DBF modules, multiple secondary DBF modules, again 2 primary DBF modules of each freedom, complete multi-path digital independent
Beam synthesis；Wherein, for any one group of digital signal, multiple primary DBF modules pass through optical fiber link be connected to it is all more
A secondary DBF module, multiple secondary DBF modules are completed multiple secondary Beam synthesis, are output to by secondary DBF module to primary
Reverse optical fiber link connection between DBF module completes multiple three-level waves to 1 primary DBF module, then by primary DBF module
Shu Hecheng, through synthesis signal path output；Generally, the number T of two groups of digital signals1And T2, the constraint condition for needing to meet is
T1/8+T2/8≤F1=10, while the number D of each self-forming wave beam1And D2, the secondary of the wave beam number and occupancy that are formed simultaneously
DBF number of modules is related, and needing the constraint condition met is D1+D2≤ 12, such as secondary DBF 2 secondary of occupancy of array 1
Primary DBF module, it is 4 that maximum, which is formed simultaneously wave beam number, i.e. D1=2 × B=4.
The above, only presently preferred embodiments of the present invention, are not intended to limit the scope of the present invention, all in this hair
Made any modifications, equivalent replacements, and improvements etc., should be included in protection scope of the present invention within bright spirit and principle
Within.
Claims (10)
1. a kind of high-speed high capacity photonic transport networks, comprising: the primary DBF module 1 of external transceiving digital signals, primary DBF
Module 2, the primary DBF module n of primary DBF module 3 ..., secondary DBF module 1, the secondary secondary DBF module m of DBF module 2 ..., with
And final stage DBF module, and all optical fiber links are bi-directional transfer path, it is characterised in that: any primary DBF module with
Each secondary DBF module is connected, and each secondary DBF module is connected with final stage DBF module, establishes primary DBF module to secondary DBF
Fiber transmission link data communication photonic transport networks between module and between secondary DBF module and final stage DBF module,
All optical fiber links are in DBF modules at different levels, by directly connecing and field programmable gate array after optical electrical, electrical/optical conversion
FPGA high speed GTH interface connects, and optical fiber link physical connection mode is fixed between modules at different levels, the transmittable number of primary DBF module
Word signal receives multiple primary to multiple secondary DBF modules or the digital signal of the multiple secondary DBF modules of receipts, secondary DBF module
The digital signal of DBF module sends digital signal to multiple primary DBF modules, and final stage DBF module can receive multiple secondary DBF
The digital signal of module sends digital signal to multiple secondary DBF modules, has been integrally formed one between multistage DBF module
Transmit the high-capacity and high-speed photonic transport networks of digital signal.
2. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: primary DBF number of modules F1Depend on
In the number of active lanes T of module level Integrated system required input output signal, and single primary DBF module is manageable logical
Road number P, i.e., For the symbol that rounds up；Secondary DBF number of modules F2Depending on being formed simultaneously needed for system
The number D of wave beam, and individually wave beam number of the primary DBF module to single secondary DBF module optical fiber link maximum transmittedVRFor optical fiber link transmission rate, VDFor wave beam rate,To be rounded symbol downwards, i.e.,
It is exported for the ease of fusion treatment and result, final block number Fe=1.
3. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: each primary DBF module is wrapped
Containing the FPGA module for receiving digital array multi-channel A/D sampled signal, each FPGA module includes the main module containing FPGA1, FPGA2
Subcard is converted with optical electrical, each secondary DBF module includes that main module containing FPGA1, FPGA2 and optical electrical convert subcard, often
A final stage DBF module includes the FPGA for connecting processor, and the optical electrical conversion subcard of each primary DBF module passes through multiplexer channel
The optical electrical conversion subcard for connecting secondary DBF module forms cross-connect networks.
4. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: each secondary DBF module
FPGA module connects the FPGA of final stage DBF module, and each primary DBF module and secondary DBF by high speed GTH interface all the way
The connected total input/output number of links N of module1With secondary DBF number of modules F2It is identical, i.e. N1=F2, each secondary DBF mould
The input/output number of links N that block is connected with primary DBF module2With secondary DBF number of modules F1It is identical, i.e. N2=F1。
5. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: primary DBF number of modules F1=
10, each 8 railway digital signal of primary DBF module maximum input/output, therefore all primary DBF modules altogether can input/
Export 80 railway digital signals；Secondary DBF number of modules F2=6, each primary DBF module to each secondary DBF module
The road GTH high speed fibre transmission link number R=6, thus it is all primary to secondary total 2 × 360 tunnel of transmitting-receiving number of fibers, 2 times of tables
Show transmitted in both directions, rate V is received and dispatched by optical fiber link in each port1=7.5Gbps, corresponding two-way resultant signal transmittability 2
×2700Gbps；Optical fiber link of the secondary DBF module to final block, any secondary GTH high speed fibre biography to final stage
The road transmission link number R=6, therefore all secondary total 2 × 36 tunnels of transmitting-receiving number of fibers for arriving final stage, corresponding two-way resultant signal transmission
2 × 270Gbps of ability.
6. high-speed high capacity photonic transport networks as claimed in claim 2, it is characterised in that: each primary DBF module and time
Grade DBF module forms FPGA main module and photoelectricity electro-optic conversion subcard by the identical fpga chip of two panels, wherein fpga chip
With 80 ports high speed GTH, rate is received and dispatched by optical fiber link in each port；Final stage DBF module by a piece of fpga chip and
A piece of cpu chip composition, fpga chip are identical as primary DBF module and the secondary fpga chip of DBF module；Consider optical fiber scale
And data transfer demands, any primary DBF module to the GTH high speed fibre transmission link number road of any secondary DBF module,
Signal two-way transmission capabilities between any primary and secondary DBF module, 2 times of expression transmitted in both directions.
7. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: secondary DBF module to final stage DBF
The optical fiber link of module, any secondary DBF to the GTH high speed fibre transmission link number road of final stage DBF module, transmitted in both directions
Ability is consistent to secondary DBF module with primary DBF module, total transmitting-receiving fiber count of all secondary DBF modules to final stage DBF module
Mesh road, corresponding two-way resultant signal transmittability.
8. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: digital signal is through primary DBF mould
After block processing, secondary DBF module is entered by the serial signal channel 1 established by optical fiber link, by secondary DBF resume module
Afterwards, the serial signal channel 2 established into optical fiber link；Primary DBF module is any one in 10 primary DBF modules,
Secondary DBF module is any one in 6 secondary DBF modules.
9. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: multiple primary DBF modules are logical
It crosses optical fiber link and is connected to all multiple secondary DBF modules, secondary DBF module passes through optical fiber chain after completing secondary Beam synthesis again
Road is connected to a final stage DBF module, after finally completing final stage Beam synthesis by final stage DBF module, is output to by optical fiber link
The composite signal channel of foundation.
10. high-speed high capacity photonic transport networks as described in claim 1, it is characterised in that: any set of number is believed
Number, multiple primary DBF modules pass through optical fiber link and are connected to all multiple secondary DBF modules, and multiple secondary DBF modules are completed
Multiple secondary Beam synthesis, are output to and are connected to by secondary DBF module to the optical fiber link reverse transfer primary DBF module
1 primary DBF module, then multiple three-level Beam synthesis are completed by primary DBF module, it is output to by the more of optical fiber link foundation
A composite signal channel.
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