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Reliable routing method for space-sky information network

An aerospace information network and routing technology, applied in the field of information science, can solve problems such as affecting the speed of path reconstruction, and achieve the effects of improving reliability, achieving large-scale continuity and low delay.

Inactive Publication Date: 2020-08-25
SHENZHEN POLYTECHNIC
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Problems solved by technology

This method ensures the optimality of routing, but collecting state information of the entire network will affect the speed of path reconstruction

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  • Reliable routing method for space-sky information network
  • Reliable routing method for space-sky information network
  • Reliable routing method for space-sky information network

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Embodiment Construction

[0051] Preferred embodiments of the present invention are provided below to help further understanding of the present invention. Those skilled in the art should understand that the descriptions of the embodiments of the present invention are only exemplary, and are not intended to limit the solution of the present invention.

[0052] The present invention proposes a reliable routing method for aerospace information networks. Aiming at large-scale continuous communication relay scenarios, an aerospace information network architecture model based on geostationary satellites, mid-orbit satellites, and adjacent space platforms is designed, and based on aerospace information Network architecture, designed a reliable routing method. When the network access node fails, the combination of local route reconstruction and global route reconstruction is used for route maintenance to ensure the continuity of data transmission; when the management node is damaged, multiple satellites in the...

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Abstract

The invention provides a reliable routing method for a space-sky information network, designs a space-sky information network architecture model based on a synchronous satellite, a medium orbit satellite and a near space platform for a large-range continuous communication relay scene, and designs a reliable routing method based on a space-sky information network architecture. When a network accessnode fails, routing maintenance is carried out in a mode of combining local routing reconstruction and global routing reconstruction, so the continuity of data transmission is guaranteed; when the management node is damaged, a plurality of satellites of the medium earth orbit satellite layer jointly undertake the task of the management node, and reliable transmission of control information is guaranteed. When the network state is suddenly changed, a more reliable path is selected for data transmission, so the space-time information network can still provide service for users under the condition that part of network nodes are damaged, and the reliability and the survivability of the network are improved.

Description

technical field [0001] The invention belongs to the field of information science, and in particular relates to a reliable routing method for an aerospace information network. Background technique [0002] The aerospace information network is a comprehensive communication network that includes various types of communication systems such as various aircraft, spacecraft, and ground communication stations. The expansion of the satellite communication network has broad application prospects. [0003] The backbone nodes of the aerospace information network can be composed of aircraft and spacecraft, and data is transmitted through multi-hop wireless channels. Compared with ground network facilities, air communication facilities are more expensive and difficult to repair after damage. And because the application field of aerospace information network is often more important, the impact caused by network failure is more serious. Therefore, it is required that the aerospace inform...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04L12/721H04L12/727H04L45/121
CPCH04B7/1851H04B7/18519H04L45/12H04L45/121
Inventor 吴伟强张瑞张倩
Owner SHENZHEN POLYTECHNIC
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