CN106452883A - A spatial information network space-based test system and a work method thereof - Google Patents
A spatial information network space-based test system and a work method thereof Download PDFInfo
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- CN106452883A CN106452883A CN201610920867.8A CN201610920867A CN106452883A CN 106452883 A CN106452883 A CN 106452883A CN 201610920867 A CN201610920867 A CN 201610920867A CN 106452883 A CN106452883 A CN 106452883A
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- network
- virtual node
- terrestrial virtual
- satellite system
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Classifications
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18515—Transmission equipment in satellites or space-based relays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18519—Operations control, administration or maintenance
Abstract
The invention provides a spatial information network space-based test system and a work method thereof. The system comprises a first ground virtual node which communicates with a network satellite system, and a second ground virtual node which communicates with the network satellite system. Communication between the first ground virtual node and the second ground virtual node is established via the network satellite system. Compared with systems and methods in the prior art, the system and method of the invention has the following advantages: 1) as for the spatial information network for future application, the network satellite system is composed of several network satellites with an integrated backbone / access function, and the network satellite acts as a network backbone node to support high-speed data transmission with a large data size, but also as a user access node to enable access to a large number of space users and ground users. By introducing the two ground virtual nodes, the space-based test system provided by the invention can verify the backbone and access mixing functions of the network satellite system.
Description
Technical field
The present invention relates to the information transfer in space technology field and treatment technology, more particularly to a kind of based on key/connect
Enter Information Network space-based pilot system and its method for work of integrated network satellite.
Background technology
Information Network is based on the transmission of information with exchange, and it is core to process with application, to support total space army
For the purpose of thing and civilian mission, it is the infrastructure of following large-scale information network.Information Network be various spacebased systems
Acquisition of information, information transfer, information processing, information distribution and Information application function synthesized, integrate, the one for being formed
Change network.
The drawbacks of Information Network can overcome conventional satellite communication mode, is substantially improved the effectiveness of network, has
The problems such as when effect is solved, prolongation, poor reliability, information loads amount are big, to providing the communication service of Large Copacity and high reliability, carrying
The resource utilization for rising the whole network has important effect.Space-based information transmission for long delay, high dynamic, high bit-error is special
Property, China has been conducted a research to Information Network architectural framework, Information Networking Transmission load etc., but not yet carries out day at present
Base is tested, and the on-orbit performance of network satellite is not yet verified.
For the Information Network of the application that faces the future, its network satellite system is by some backbones/access function one
The network satellite composition of change：Network satellite supports the high-speed transfer of big data quantity both as network backbone node, and as user
Access node, accesses a large number of users.As in-orbit spatial user wouldn't possess the ability for accessing Information Network, space at present
Therefore information network space-based pilot system and its method of work, can not be badly in need of by the use of really in-orbit node as spatial user
A kind of new Information Network space-based pilot system and its method of work, believe to space in the case of space-based equipment is resource-constrained
The systemic-function of breath network, the spatial environmentss adaptability of network satellite system and backbone/access mixed function are verified.
Content of the invention
For defect of the prior art, it is an object of the invention to provide one kind reduces space-based pilot system scale, carry
High the Information Network space-based pilot system of the feasibility of space-based test and its method of work.
For solving above-mentioned technical problem, a kind of Information Network space-based pilot system that the present invention is provided, including：First
Terrestrial virtual node, the first terrestrial virtual node is communicated with network satellite system；Second terrestrial virtual node, described second
Terrestrial virtual node is communicated with network satellite system；The first terrestrial virtual node and the second terrestrial virtual node via
The network satellite system sets up communication.
Preferably, the first terrestrial virtual node includes interconnective first communication terminal and the first gateway.
Preferably, the second terrestrial virtual node includes interconnective second communication terminal, the second gateway and ground
Network insertion node.
Preferably, the network satellite system includes several network satellites.
A kind of method of work of Information Network space-based pilot system, comprises the steps：
Step 1, the first terrestrial virtual node sends networking request to network satellite system；
Step 2, the networking request of network satellite system receiver to the first terrestrial virtual node, and to the first terrestrial virtual section
Point carries out authenticating, distributes channel, sends networking license；
Step 3, the second terrestrial virtual node sends networking request to network satellite system；
Step 4, the networking request of network satellite system receiver to the second terrestrial virtual node, and to the second terrestrial virtual section
Point carries out authenticating, distributes channel, sends networking license；
Step 5, the first terrestrial virtual node is set up with the second terrestrial virtual node and is communicated.
Preferably, also include step 6, the second terrestrial virtual node receiving data, and according to each virtual ground user's
Destination address, sets up path, by data Jiao Huanzhi corresponding ports, then by data down transmission to each virtual ground user.
Compared with prior art, the present invention has the advantage that：
1) for the Information Network of the application that faces the future, its network satellite system is by some backbone/access functions one
The network satellite composition of body：Network satellite supports the high-speed transfer of big data quantity both as network backbone node, and as use
Family access node, accesses a large amount of spatial user and terrestrial user.By introducing 2 terrestrial virtual nodes, the day that the present invention is provided
Base pilot system can be verified to the backbone of network satellite system, access mixed function.
2) wouldn't possess in spatial user in-orbit at present under the objective condition for accessing Information Network ability, the present invention
The space-based pilot system of offer simulates spatial user by introducing the first terrestrial virtual node, improves the feasible of space-based test
Property, in the case of space-based equipment is resource-constrained, it is able to verify that the correlated performance of Information Network.
3) the second terrestrial virtual node is introduced, ground network access node is simulated, one or more terrestrial users are can access,
So as to can be to the route switching ability of network satellite, concurrent multiple access ability, multi-business flow service quality guarantee ability etc.
Carry out comprehensive verification.
Description of the drawings
By reading the detailed description that non-limiting example is made with reference to the following drawings, the further feature mesh of the present invention
And advantage will become more apparent upon.
Fig. 1 is Information Network space-based pilot system schematic diagram of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These belong to the present invention
Protection domain.
The core concept of the present invention is, provides a kind of spatial information net based on key/access integrated network satellite
Network space-based pilot system, including network satellite system, the first terrestrial virtual node and the second terrestrial virtual node, the network is defended
Star system is made up of the network satellite of some backbones/access function integration, can carry out user access with data transfer, route with
Exchange and backbone transport；The first terrestrial virtual node is simulation spatial user, tests as Information Network space-based
The Simulation spatial service object of system；The second terrestrial virtual node is simulation ground network access node, can access multiple ground
User.A kind of Information Network space-based pilot system based on key/access integrated network satellite that the present invention is provided, both
The information exchange that can pass through between the first terrestrial virtual node and network satellite system verifies the access of network satellite system, route
And function of exchange, the bone that the information exchange between ground simulation node 2 and network satellite system verifies network satellite can be passed through again
Dry transmission, route and function of exchange.
As shown in figure 1, a kind of Information Network day based on key/access integrated network satellite that the present invention is provided
Base pilot system includes：
Network satellite system, is made up of the network satellite of some backbones/access function integration, can carry out user access with
Data transfer, route and exchange and backbone transport；
First terrestrial virtual node, simulates spatial user, as the Simulation spatial service of Information Network space-based pilot system
Object；
Second terrestrial virtual node, simulates ground network access node, can access multiple terrestrial users.
The function of the network satellite system includes：On the one hand, network backbone node function, i.e. network satellite system passes through
Between star, communication terminal is realized interconnecting, and realizes networking, the high-speed transfer of big data quantity；On the other hand, user's access function,
I.e. network satellite is used as user's access node, accessible a large number of users.From route angle, the network satellite system function
Including：On the one hand, possess core routing function, that is, undertake the source-end networkses satellite inside network satellite system and destination network
Path planning task between satellite；On the other hand, possess edge routing function, that is, undertake between network satellite system and user
Seamless fusion and interoperability task.
For making the present invention easier to understand, below in conjunction with accompanying drawing and concrete test scene, the present invention is made further specifically
Bright.
Test scene
A kind of Information Network space-based test based on key/access integrated network satellite for being provided using the present invention
System, the systemic-function of clarifying space information network, the spatial environmentss adaptability of network satellite system and backbone/access mixing work(
The space-based testing program of energy is as follows：
Pilot system constitutes：The network satellite system being made up of some network satellites；Simulated by the first terrestrial virtual node
Spatial user A；By the ground network access node of the second terrestrial virtual node simulation, the node accesses some virtual ground and uses
Family.
Test procedure：
Step 1：When network satellite system is visible to the first terrestrial virtual node, the first terrestrial virtual node is simulated
Spatial user A sends networking request to network satellite system；
Step 2：Network satellite system receiver is to the request that networks, and the first terrestrial virtual node is carried out authenticating, distributes letter
Road, send networking license；Network satellite reception is asked to the networking of the second terrestrial virtual node, and virtual ground user is carried out
Authenticate, distribute channel, send networking license；
Step 3：After first terrestrial virtual node is from network satellite system receiver to the license that networks, both sides set up communication；
Step 4：The data of the first terrestrial virtual of network satellite system receiver node transmission, carry out routeing data exchange,
Complete and the data transfer between the second terrestrial virtual node；
Step 5：Second terrestrial virtual node receiving data；According to the destination address of each virtual ground user, road is set up
Footpath, by data Jiao Huanzhi corresponding ports, then by data down transmission to each virtual ground user.
Above-mentioned steps 1 to step 5 completes spatial user A and proposes data transmission request, multiple terrestrial users proposition data
The space-based for receive application, transferring data to terrestrial user through network satellite system is tested.Used in this experiment
Network satellite, serves not only as network backbone node, supports the high-speed transfer of big data quantity, also serves as user's access node, accesses
A large number of users, thus, the test scene achieves the systemic-function to Information Network, the spatial environmentss of network satellite system
Adaptability and the checking of key/access mixed function.
In sum, the invention provides a kind of Information Network day based on key/access integrated network satellite
Base pilot system, including network satellite system, the first terrestrial virtual node and the second terrestrial virtual node, the network satellite system
Unite and be made up of the network satellite of some backbones/access function integration, user's access and data transfer, route can be carried out and exchanged
And backbone transport；The first terrestrial virtual node is simulation spatial user, used as Information Network space-based pilot system
Simulation spatial service object；The second terrestrial virtual node is simulation ground network access node, can access multiple terrestrial users.
A kind of Information Network space-based pilot system based on key/access integrated network satellite that the present invention is provided, can both lead to
The access of the information exchange checking network satellite system that crosses between the first terrestrial virtual node and network satellite system, route and friendship
Function is changed, the key biography that the information exchange between ground simulation node 2 and network satellite system verifies network satellite can be passed through again
Defeated, route and function of exchange.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or change, this not shadow
Ring the flesh and blood of the present invention.In the case of not conflicting, feature in embodiments herein and embodiment can any phase
Mutually combine.
Claims (6)
1. a kind of Information Network space-based pilot system, it is characterised in that include：
First terrestrial virtual node, the first terrestrial virtual node is communicated with network satellite system；
Second terrestrial virtual node, the second terrestrial virtual node is communicated with network satellite system；
The first terrestrial virtual node is set up via the network satellite system with the second terrestrial virtual node and is communicated.
2. Information Network space-based pilot system according to claim 1, it is characterised in that first terrestrial virtual
Node includes interconnective first communication terminal and the first gateway.
3. Information Network space-based pilot system according to claim 1, it is characterised in that second terrestrial virtual
Node includes interconnective second communication terminal, the second gateway and ground network access node.
4. Information Network space-based pilot system according to claim 1, it is characterised in that the network satellite system
Including several network satellites.
5. a kind of method of work of Information Network space-based pilot system, it is characterised in that comprise the steps：
Step 1, the first terrestrial virtual node sends networking request to network satellite system；
Step 2, the networking request of network satellite system receiver to the first terrestrial virtual node, and the first terrestrial virtual node is entered
Row authenticates, distributes channel, sends networking license；
Step 3, the second terrestrial virtual node sends networking request to network satellite system；
Step 4, the networking request of network satellite system receiver to the second terrestrial virtual node, and the second terrestrial virtual node is entered
Row authenticates, distributes channel, sends networking license；
Step 5, the first terrestrial virtual node is set up with the second terrestrial virtual node and is communicated.
6. the method for work of Information Network space-based pilot system according to claim 5, it is characterised in that also include
Step 6, the second terrestrial virtual node receiving data, and the destination address according to each virtual ground user, path is set up, by number
According to exchange to corresponding ports, then by data down transmission to each virtual ground user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610920867.8A CN106452883A (en) | 2016-10-21 | 2016-10-21 | A spatial information network space-based test system and a work method thereof |
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| CN201610920867.8A CN106452883A (en) | 2016-10-21 | 2016-10-21 | A spatial information network space-based test system and a work method thereof |
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Cited By (3)
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| CN107395405A (en) * | 2017-07-07 | 2017-11-24 | 北京航空航天大学 | Test environment analogy method and device based on spatial network topology |
| CN107835529A (en) * | 2017-09-30 | 2018-03-23 | 北京空间飞行器总体设计部 | Space-based backbone network dynamic access system, node, administrative center and method |
| CN108173851A (en) * | 2017-12-28 | 2018-06-15 | 南京大学 | A kind of efficient multimedia transmission method for Information Network |
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Cited By (5)
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|---|---|---|---|---|
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Application publication date: 20170222 |