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Aerospace information network information transmission method and system based on cross-layer resource optimization

An aerospace information network and resource optimization technology, applied in the field of information transmission of aerospace information network based on cross-layer resource optimization, can solve problems such as reduced reliability, waste of network resources, and inability to adapt to different business needs, and achieve optimal utilization , to avoid the effect of congestion

Active Publication Date: 2011-12-07
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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Problems solved by technology

[0008] The technical problem solved by the present invention is to provide a method and system for information transmission of aerospace information network based on cross-layer resource optimization, which overcomes the inability to adapt to the needs of different services, reduced reliability, and Technical issues that waste network resources

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  • Aerospace information network information transmission method and system based on cross-layer resource optimization
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  • Aerospace information network information transmission method and system based on cross-layer resource optimization

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Embodiment Construction

[0030] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

[0031] Such as figure 1 As shown, in the cross-layer design model of the present invention, the network layer is used to divide, the upper layer (application layer and transport layer) mainly provides information about the business and the operation rules of backbone nodes, and the lower layer (physical layer and link layer) mainly provides Regarding information about network status and network resources, the network layer selects routes based on the information provided by the upper and lower layers. The application layer of the source node that sends the data sets the type of service and the QoS requirement, and sends it to the network layer of the source node, and the network layer of the source node writes the service type information into the packet header of the network layer. The network layer of other nodes judges the service type accordi...

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Abstract

The invention relates to a cross-layer-resource-optimization-based space-sky information network information transmission method and a cross-layer-resource-optimization-based space-sky information network information transmission system. a route meeting service needs is calculated according to the states of a network and a node of a bottom layer for different service needs of an application layer by utilizing a cross-layer designing concept, the wasting of network resources is reduced in ways of realizing the balanced allocation of network bandwidth resources, avoiding congestion and reducing network control information, and the optimized utilization of the network resources is realized at the same time of ensuring the accurate transmission of data.

Description

technical field [0001] The invention relates to an information transmission method of an aerospace information network, in particular to an information transmission method of an aerospace information network based on cross-layer resource optimization. Background technique [0002] The aerospace information network is a comprehensive network that includes various satellites, high-altitude communication platforms, various aircraft, aircraft, and ground communication stations and other communication systems of different types and characteristics. The backbone nodes are composed of satellites and high-altitude communication platforms. , aircraft and ground communication stations and other users to provide services. It can be used as an emergency communication system in a disaster or war environment, and can also be used as an extension of a traditional communication network to provide support for the integration of heterogeneous networks, and has broad application prospects. Th...

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Application Information

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IPC IPC(8): H04W28/20H04W40/00
Inventor 张钦宇吴伟强王伟志黄思尧
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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