CN107493194A - Information Network Flexible Node model - Google Patents
Information Network Flexible Node model Download PDFInfo
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- CN107493194A CN107493194A CN201710715492.6A CN201710715492A CN107493194A CN 107493194 A CN107493194 A CN 107493194A CN 201710715492 A CN201710715492 A CN 201710715492A CN 107493194 A CN107493194 A CN 107493194A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
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Abstract
A kind of Information Network Flexible Node model proposed by the present invention, it is desirable to provide a kind of autgmentability is strong, can strengthen space system service ability, and can reduce space information system construction cost, has the Flexible Node model of the nodal analysis method of various dimensions elasticity.The technical scheme is that：In model node, function services module is divided into software service submodule and hardware service submodule comprising software algorithm storehouse, network system module corresponds to space physics platform and uses physical layer, data link layer, Internet, transport layer and application layer, totally five layers of ISO protocol networks configuration aspect, as empty composition and a kind of parent model of virtual work energy, all nodes pass through functional interface in spatial network, Information Network backbone node, indirect access node are derived from parent model, is directly accessed node and the various subclasses of function subnet node, realize different platforms.The present invention enhances space system service ability by the uncoupled space physics platform of function.
Description
Technical field
The present invention is the Flexible Node modelling on the Information Network in Information Network field.
Background technology
Information Network be with space platform, as synchronous satellite or in, low-orbit satellite, stratosphere balloon and someone or
UAV etc. is carrier, and the network system of acquisition in real time, transmission and processing spatial information, is a variety of nets in day vacant lot
The complicated heterogeneous network of network composition, the development of Information Network, is limited, it is difficult to pass through increasing by resources such as frequency spectrum and tracks
Add space nodes quantity and improve node capacity to expand space-time coverage.The null when motion of space nodes high dynamic, network
It is big for complexity, type of service difference, it is desirable to which that spatial network restructural, ability are scalable.It is quiet that its difficult point is that general networkses are based on
State topology can use graph model and optimum theory, and spatial network is related to the node connection of a variety of isomery dynamic changes.Realize empty
The efficient networking of intermediate node, it is related to mathematics, aerospace and the subject such as communicate.Space nodes and link dynamic change and sparse distribution, lead
How point-to-multipoint information carrying capacity is caused to be changed with the time-varying space-variant of network topology, real time end arrives under big space-time span
Holding the reliability and stability of transmission capacity optimization turns into prominent problem.Multidimensional, the acquisition of multiscale space information, processing, net
The shared key problem with application service of networkization is link transmission and processing bottleneck, relates in one aspect to the feature extraction of spatial information
With sparse representation；On the other hand, because multidimensional information yardstick is different, space-time datum has differences, the fusion of discrete space-time sampling
Processing will face the profound precisely underlying issue such as sign of information Space characteristic.Because access network then contains all kinds of low orbit satellites
And all kinds of space base platforms, Information Network structure have the characteristics such as dynamic change, how to realize a variety of nodes of heterogeneous networks it
Between integrated design be that Information Network needs the significant problem that solves.It is to alleviate space resources about to build a distributed group of stars
The important means geostationary orbit of beam with its unique locus, can be established between earth station and satellite stablize it is long-term
Link, continuous communiction or observation can be carried out to areal, be the preferred orbital position of the satellites such as communication, meteorology.Future 10
All kinds of satellites such as substantial amounts of earth observation will be launched within~20 years.With the lifting of technology for information acquisition, required by these satellites
Transmission bandwidth is also increasing, and the single platform geosynchronous satellite of east four has been difficult to meet Information Network backbone node
The demands such as handling capacity, disposal ability, it is necessary to solve backbone node ability need and satellite platform bearing capacity using effective means
Between contradiction.It is mainly designed to be classified from functional perspective on spatial network node at present, and and terminal
Using tightly coupled method, being typically include acquisition of information node (has acquisition of information, produces the node of information, such as seeing over the ground
Survey satellite, deep space probe etc.), transmission distribution node there is the node of information transfer, distribution and exchange capacity, as GEO satellite,
Gateway station etc..Storage processing node has the node of storage and disposal ability, and such as GEO satellite, nformation grid node, user are whole
End is received with information and the node of application power, such as terrestrial user terminals.The defects of certain be present in this design method：It is first
First, by function for rely on design can not protrude meshed network in the form of, that is to say, that this Joint design method still from
The angle of conventional satellite is set out, the networking view without from the point of view of Information Network, showing node.Secondly,
This design method cause the structure of node be it is rigid, i.e., platform and function be it is tightly coupled, cause the spirit of node shapes
Activity and scalability are poor, and then cause the general frame of Information Network to lack flexibility, the maintenance and management ratio of network
It is more difficult.
The content of the invention
The problems such as present invention is deficient for backbone node frequency rail position, and satellite platform bearing capacity is weak, to overcome existing sky
Between drawbacks described above existing for information network design of node, there is provided one kind can strengthen space system service ability, and autgmentability is strong, and
Space information system construction cost can be reduced, is offered reference for the following reliable and stable Information Network of structure, there is multidimensional
Spend the Information Network Flexible Node model of the nodal analysis method of elasticity.
Above-mentioned purpose of the present invention can be reached by following measures：A kind of Information Network Flexible Node model, tool
There is a space physics overlapped successively including comprehensive front-end module, transmission and Switching Module and integrated treatment module to put down
Platform, network system module and function services module, it is characterised in that：In model node, function services module is divided into comprising soft
The software service submodule and hardware service submodule of part algorithms library, network system module correspond to space physics platform and use physics
Layer, data link layer, Internet, transport layer and application layer, totally five layers of ISO protocol networks configuration aspect, is formed and empty as void
A kind of parent model of function, all nodes derive spatial information net by functional interface from parent model in spatial network
Network backbone node, indirect access node, node and the various subclasses of function subnet node are directly accessed, realize different platforms.
The present invention has the advantages that compared to existing space information network design of node：
Space system service ability strengthens.The present invention is carried out in terms of physical platform composition, the network system and function services three
The Flexible Node model of design space information network, function services module is divided into the software service submodule comprising software algorithm storehouse
Block and hardware service submodule, flexibleization in physical composition, procotol, the multiple dimensions of function services, pass through function
Uncoupled space physics platform, enhances space system service ability.
Autgmentability is strong.The present invention takes in terms of three to the form Design physical platform of node, procotol and function
Business, and using it as parent model, derive each seed such as backbone node, access node and the functional node of Information Network
Class.Designed by the elasticity of a variety of dimensions so that node can obtain more preferable flexibility and scalability.Believe simultaneously for space
The construction of breath network provides the model library of standard, the application service available for a variety of Incorporates.Network system module pair
Space physics platform is answered to use physical layer, data link layer, Internet, transport layer and application layer, totally five layers of ISO protocol networks are matched somebody with somebody
Aspect is put, as empty composition and a kind of parent model of virtual work energy, and polytype child class node is derived according to this, passes through section
The design with inter-node link is put to construct whole Information Network so that whole network disclosure satisfy that integrated management, information
The multiple functions requirement such as shared and distribution.By fully reserving multiple interfaces in model node in order to follow-up extension.Simultaneously
Due to the structural integrity of parent model, the architectural framework of standardization is provided for the design of a variety of child class nodes in network.
Reduce space information system construction cost.The present invention uses in spatial network all nodes by functional interface,
The backbone node of Information Network, indirect access node are derived according to this from parent model, are directly accessed node and function
The various subclasses of net node, core node is built, realizes different platforms.When single satellite breaks down by recombinating scheduling not
The repertoire of backbone node, high reliability of the feasible system under spatial complex environment can be influenceed.Realize all kinds of satellite systems
The unified management of resource and information between system, interconnect and comprehensively utilize, be acquisition, processing, storage, the transmission of space-based information
Unified basic platform is provided with distribution, the constructing benefits of space information system can be greatly improved, reducing the construction costs.Can be
The following reliable and stable Information Network of structure is offered reference.
The present invention be applied to node species are more, isomery characteristic is obvious, the complicated network structure, three-dimensional dynamically spatial network
A kind of Flexible Node design.Integrated design especially suitable for Information Network.
Brief description of the drawings
Fig. 1 is the schematic diagram of Information Network Flexible Node model of the present invention.
Fig. 2 is the schematic diagram of Information Network backbone node model of the present invention.
Fig. 3 is the schematic diagram of Information Network access node model of the present invention.
Fig. 4 is the schematic diagram of Information Network functional node model of the present invention.
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Embodiment
Refering to Fig. 1.In embodiment described below, a kind of Information Network Flexible Node model, there is a bag
Include comprehensive front-end module, transmission and Switching Module and space physics platform that integrated treatment module overlaps successively, network body
It is module and function services module.In model node, function services module is divided into software service comprising software algorithm storehouse
Module and hardware service submodule, network system module correspond to space physics platform using physical layer, data link layer, network
Layer, transport layer and application layer, totally five layers of ISO protocol networks configuration aspect, as empty composition and virtual work can a kind of parent model,
All nodes are by functional interface in spatial network, and Information Network backbone node, indirectly is derived according to this from parent model
Access node, node and the various subclasses of function subnet node are directly accessed, realize different platforms.
Physical platform includes comprehensive front-end module, transmission and Switching Module and integrated treatment module etc., and the network system is adopted
With the layer protocols of ISO five, i.e. physical layer, data link layer, Internet, transport layer and application layer, function services are divided into software service
With two kinds of hardware service.What deserves to be explained is in model node, these are all as empty composition and virtual work energy, only specific
Corresponding composition and function specific design are just carried out when node is realized.As a kind of model parent, all nodes in spatial network
Can be from this derivation, including backbone node, access node and functional node etc., by realizing different platforms, function
Interface completes the design of a variety of nodes.
Refering to Fig. 2.Information Network backbone node be divided into one-level backbone node and by one-level backbone node indirectly
The two level backbone node of service channel is provided the user, wherein one-level backbone node corresponds to the comprehensive front-end mould of space physics platform
Block includes multi-path laser front end and Ka Microwave Phased Array Antennas, All-optical switching module, photoelectricity Switching Module, signal transacting mould
The space physics platform that block, message processing module, memory module overlap successively, cloud storage service module and space mailbox are soft
Part service module, and physical layer, data link layer, Internet, application layer and the software algorithm storehouse of corresponding aspect, wherein, thing
Manage layer complete signal transmitting-receiving and laser and microwave link foundation, data link layer complete Large Copacity information light exchange and
Circuit switching etc., Internet complete the functions such as modulation /demodulation and the baseband I P exchanges of signal, and application layer is completed to include information data
Compression, the corresponding data processing function such as production of data product,.In terms of the service of offer, including hardware service and soft
Part service, hardware service provide the user the function of cloud storage using the memory module of Large Copacity, and space postal is realized in software service
Case, real-time subscription and distribution of data product etc. on star.One-level backbone node mainly realizes that the transmission of space Large Volume Data is handed over
Change and the function such as signal and information processing technology, 5Gbps high speed data transfer is completed by multi-path laser front end laser link, and
For laser capture alignment speed it is slower the problem of, guide laser front end to carry out rapid alignment using Ka microwave antennas；In one-level
In the exchange and Transmission system of backbone node, one-level backbone nodes use All-optical switching module and photoelectricity Switching Module All-optical switching
The space for realizing multiline message with photoelectricity hybrid switching exchanges；Using synthesization, the signal of built modular one-level backbone node
Processing subsystem, the digital frequency conversion of subscriber signal is completed by the dynamic load in software algorithm storehouse, signal waveform produces, digital wave
Beam formation, pulse compression, target detection, real time imagery, signal detection, parameter measurement, signal sorting, signal pairing, modulation are known
Not, signal waveform demodulation, encoder/decoder, protocol processes, AF panel, despreading, measurement parameter processing and ambiguity solution signal
Processing.Meanwhile in terms of information processing and management service, the integrated treatment module of one-level backbone node passes through unified general place
Manage module and complete space-based and receive the information data such as information, realize radar signal reconnaissance information, signal of communication reconnaissance, micro-
The pretreatment of ripple imaging reconnaissance information, extraterrestrial target reconnaissance, information；Realize Multi-source Information Fusion disposal ability, typical mesh
Mark recognition capability, intelligence information makes distribution capability, the network resource management of accessing user's star and user terminal, Access Control and
Route switching.In addition, the high-capacity storage module in integrated treatment module is used to complete the information data storing of Large Copacity, processing
Intermediate data caching, information data, system configuration information, processor configuration file, syslog file etc..
In network configuration aspect, two level backbone node include laser front-end module, Ka Anneta modules, All-optical switching module,
The space physics platform that photoelectricity Switching Module, signal processing module, memory module overlap successively；In terms of network configuration,
Two level backbone node only includes the network configuration aspect that physical layer, data link layer, Internet and software algorithm storehouse are formed, due to
Without data processing, so without including application layer.The exchange, modulation /demodulation, volume of signal are mainly realized in software algorithm storehouse
The software of the signal transactings such as decoding, Wave beam forming.Two level backbone node does not provide hardware service and software service directly, but logical
Cross one-level backbone node and provide the user service channel indirectly.
Two level backbone node has reduced compared with one-level backbone node in terms of physical platform and the service provided, main
Complete the high-speed transfer of signal and Switching Module function, and on-board processing without high-level data etc..Two level backbone node
Physical platform compared with the physical platform of one-level backbone node, comprehensive front-end module and transmission Switching Module can be multiplexed, but
Be integrated treatment module system based on signal transacting, and generate etc., while can only match somebody with somebody without information processing, data product
Put the memory module compared with low capacity.
Refering to Fig. 3.The access node of Information Network, which functionally divides, can be divided into based on moving communication satellite
The indirect access node for being directly accessed node and access being provided for acquisition of information class satellite, it is main to complete types of functionality subnet section
The converging information and forwarding of point and user terminal, while carry out information transfer to backbone node.Node is directly accessed to refer to be not required to
By backbone node, the day base node of access service can be directly carried out for user terminal.Space access node model physics
Composition mainly includes comprehensive front-end module, space radio frequency exchange module and integrated treatment module.Comprehensive front-end module using S, L and
The spot beam anternma of Ka frequency ranges, realize and network configuration aspect is covered in real time to the whole world, space radio frequency exchange module is completed more
Signal transacting, data storage and interactive voice are completed in voice-and-data exchange processing, integrated treatment module between the user of road
And data, services, and the function such as IP base band exchanges and regeneration treatment such as the modulation /demodulation of subscriber signal, coding and decoding.It is directly accessed
Node includes physical layer, data link layer, Internet and software algorithm storehouse, wherein, physical layer completes the signal of service user
Transmitting-receiving, spot beam formed, data link layer realizes the circuit switching of signal, and the access system to user configures,
It is main to consider MF-TDMA systems, and Internet completes IP exchanges to baseband signal etc..The service master of node offer is provided
It to be interactive voice-and-data service.
Indirect access node refers to need the space-based that could provide function subnet node using backbone node auxiliary service
Node.Its physical platform mainly includes comprehensive front-end module and integrated treatment module, and comprehensive front-end module is configured with S and Ka frequency ranges
Phased array antenna, and form traceable wave beam, to realize the real-time tracking to the acquisition of information class satellite such as remote sensing, scouting,
Integrated treatment module mainly completes the demodulation of radio frequency exchange, signal transacting, information processing, data storage and various types of signal, information
Convergence and the packing processing of data, and the management information that backbone node is issued handle forwarding.For needing real-time Transmission
Various information, it is also necessary to it is configured with space function of exchange and realizes quick transmission of the information to backbone node, and it is real for not needing
When the information transmitted, then without space Switching Module.In network configuration aspect, indirect access node includes physical layer, Data-Link
Road floor, Internet, transport layer, application layer and software algorithm storehouse, wherein, physical layer, the function of data link layer and Internet and
It is directly accessed that node is similar, the mode for space division multiple access+CDMA that simply data link layer uses carries out function subnet section
The access of point, transport layer is to ensure the transmitting of nodal information, can use SCPS-TP agreements, and application layer is pair
Various information such as is converged, is classified, packed and compressed at the processing, forms initial data product or after-product is transferred to space
Backbone node.Similar with two level backbone node, indirect access node does not directly provide service for function subnet node, is only to provide
The passage of service.
Refering to Fig. 4.Function subnet node refers mainly to space based radar probe node, space-based remotely sensed image node, space-based and scouted
Node and all kinds of near space platforms, user terminal node etc..Function subnet node can individually complete remote sensing information and adopt
The functions such as collection, reconnaissance data acquisition.Function subnet node physical platform composition includes comprehensive front-end module and integrated treatment module
Two parts, comprehensive front-end module is by S, C, X multiple frequency range microwave antenna, optical front-end optics load, signal transacting, information
Composition, the integrated treatment module such as reason, data storage and remote sensing information collection, investigation data acquisition module complete the modulatedemodulate of information
Generation of tune, coding and decoding processing, and primary data information etc..Network configuration aspect includes, physical layer, data link layer, net
Network layers, transport layer application layer and software algorithm storehouse, physical layer completes the transmitting-receiving of signal, link layer realize multi-access mode configuration and
The encapsulation of CCSDS agreements, Internet carry out the processing of IP packets, and transport layer ensures the transmitting of information, and application layer is entered
The compression of row information data and primary treatment etc..
Claims (10)
1. a kind of Information Network Flexible Node model, have one include comprehensive front-end module, transmission and Switching Module and
The space physics platform that integrated treatment module overlaps successively, network system module and function services module, it is characterised in that：
In model node, function services module is divided into software service submodule and hardware service submodule comprising software algorithm storehouse,
Network system module corresponds to space physics platform and uses physical layer, data link layer, Internet, transport layer and application layer, and totally five
Layer ISO protocol networks configuration aspect, as empty composition and virtual work can a kind of parent model, all nodes pass through in spatial network
Functional interface, derive Information Network backbone node, indirect access node from parent model, be directly accessed node and function
The various subclasses of subnet node, realize different platforms.
2. Information Network Flexible Node model as claimed in claim 1, it is characterised in that：The key section of Information Network
Point is divided into one-level backbone node and provides the user the two level backbone node of service channel indirectly by one-level backbone node, its
Middle one-level backbone node corresponds to the comprehensive front-end module of space physics platform, including multi-path laser front end and Ka phased array of microwaves
Antenna, All-optical switching module, photoelectricity Switching Module, signal processing module, message processing module, memory module overlap successively
Space physics platform, cloud storage service module and space mailbox software service module, and physical layer, the data of corresponding aspect
Link layer, Internet, application layer and software algorithm storehouse, wherein, physical layer completes transmitting-receiving and laser and the microwave link of signal
Foundation, data link layer complete Large Copacity information light exchange and circuit switching, Internet complete signal modulation /demodulation and
The functions such as baseband I P exchanges, application layer complete the compression of information data, the corresponding data processing function of the production of data product.
3. Information Network Flexible Node model as claimed in claim 2, it is characterised in that：One-level backbone node is mainly real
The transmission exchange of existing space Large Volume Data and signal and information processing technology, 5Gbps is completed by multi-path laser front end laser link
High speed data transfer, and for laser capture alignment speed it is slower the problem of, laser front end is guided using Ka microwave antennas
Carry out rapid alignment.
4. Information Network Flexible Node model as claimed in claim 3, it is characterised in that：In the friendship of one-level backbone node
Change with Transmission system, one-level backbone nodes use All-optical switching module and photoelectricity Switching Module All-optical switching and photoelectricity mixing are handed over
Change and realize that the space of multiline message exchanges；Using synthesization, the signal processing subsystem of built modular one-level backbone node, lead to
The dynamic load for crossing software algorithm storehouse completes the digital frequency conversion of subscriber signal, signal waveform generation, digital beam froming, pulse pressure
Contracting, target detection, real time imagery, signal detection, parameter measurement, signal sorting, signal pairing, Modulation Identification, signal waveform solution
Tune, encoder/decoder, protocol processes, AF panel, despreading, measurement parameter processing and the processing of ambiguity solution signal.
5. Information Network Flexible Node model as claimed in claim 4, it is characterised in that：The synthesis of one-level backbone node
Processing module completes space-based by unified general purpose processing block and receives information information data, realizes that radar signal reconnaissance is believed
Breath, signal of communication reconnaissance, microwave imaging reconnaissance, extraterrestrial target reconnaissance, the pretreatment of information and multi-source information
Fusion treatment ability, typical target recognition capability, intelligence information make the network of distribution capability, accessing user's star and user terminal
Resource management, Access Control and route switching.
6. Information Network Flexible Node model as claimed in claim 2, it is characterised in that：Two level backbone node, which includes, to swash
Light front-end module, Ka Anneta modules, All-optical switching module, photoelectricity Switching Module, signal processing module, memory module are overlapping successively
The space physics platform of composition.
7. Information Network Flexible Node model as claimed in claim 6, it is characterised in that：In terms of network configuration, two
Level backbone node includes the network configuration aspect that physical layer, data link layer, Internet and software algorithm storehouse are formed, software algorithm
Storehouse includes signal exchange, modulation /demodulation, coding and decoding, the software program of Wave beam forming signal transacting.
8. Information Network Flexible Node model as claimed in claim 6, it is characterised in that：The physics of two level backbone node
Platform is compared with the physical platform of one-level backbone node, and comprehensive front-end module and transmission Switching Module can be multiplexed, and General Office
Module is managed based on signal transacting, and is generated without information processing and data product.
9. Information Network Flexible Node model as claimed in claim 1, it is characterised in that：The access of Information Network
Node is functionally divided into being directly accessed node and provide access for acquisition of information class satellite based on moving communication satellite
Indirect access node, main converging information and the forwarding for completing types of functionality subnet node and user terminal, while to backbone
Node carries out information transfer.
10. Information Network Flexible Node model as claimed in claim 1, it is characterised in that：Space access node model
Physical composition mainly includes comprehensive front-end module, space radio frequency exchange module and integrated treatment module；Comprehensive front-end module uses
S, the spot beam anternma of L and Ka frequency ranges, realize and network configuration aspect is covered in real time to the whole world, space radio frequency exchange module is complete
Signal transacting, data storage and interactive mode are completed into the voice-and-data exchange processing between multichannel user, integrated treatment module
Voice-and-data service, and the modulation /demodulation of subscriber signal, the IP base band exchanges of coding and decoding and regeneration treatment function.
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| WO2024066604A1 (en) * | 2022-09-29 | 2024-04-04 | 华为技术有限公司 | Node control method and apparatus, and processing system |
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