Distributed satellite cloud and fog network architecture and delay optimization method under energy-consumption constraint

A network architecture and distributed technology, applied in the field of delay optimization under distributed satellite cloud and fog network architecture and energy consumption constraints, can solve the problem of high delay, high communication overhead, and inability to effectively support delay-sensitive services for disaster relief and disaster relief. And other issues

Active Publication Date: 2017-11-10
XIDIAN UNIV
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AI Technical Summary

Problems solved by technology

However, the data collected by satellites is sent back to the ground cloud data center for calculation and analysis, resulting in high communication overhead and high delay, which cannot effectively support delay-sensitive services such as disaster relief and combat attacks.

Method used

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  • Distributed satellite cloud and fog network architecture and delay optimization method under energy-consumption constraint
  • Distributed satellite cloud and fog network architecture and delay optimization method under energy-consumption constraint
  • Distributed satellite cloud and fog network architecture and delay optimization method under energy-consumption constraint

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Embodiment Construction

[0096] Specific embodiments of the present invention will be described in detail below.

[0097] Such as figure 1 As shown, the distributed satellite cloud network architecture includes:

[0098] The satellite fog layer is used to provide communication services, surveying and mapping services and combat command, receive requests from satellite users, use the collected data to perform local distributed computing and processing tasks, and directly feed back the processing results to satellite users;

[0099] The access layer includes a plurality of ground receiving stations, and the ground receiving stations are interconnected with the satellite fog layer through electromagnetic wave communication;

[0100] The cloud computing layer communicates with the ground receiving station and is used to process part of the service requests from satellite users, and is responsible for the network management of the satellite fog layer, controlling the satellite formation, assisting the sat...

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Abstract

The invention belongs to the technical field of communication, and in particular relates to a distributed satellite cloud and fog network architecture and a delay optimization method under energy-consumption constraint. The distributed satellite cloud and fog network architecture comprises a satellite fog layer, an access layer and a cloud computing layer. The delay optimization method under energy-consumption constraint comprises the steps of: (1), constructing an undirected graph G=(V,E) of the distributed satellite cloud and fog network architecture; (2), constructing a delay optimization model under energy-consumption constraint; and (3), determining a delay optimization strategy under an energy-consumption constraint condition.

Description

technical field [0001] The invention belongs to the technical field of communications, and in particular relates to a distributed satellite cloud network architecture and a time delay optimization method under energy consumption constraints. Background technique [0002] In the space-ground integrated network, satellites play an important role in acquiring, transmitting and distributing a large amount of information. However, with the continuous advancement of science and technology, the global or all-weather applications of many countries make satellite tasks more and more complex, and the single-function and isolated satellite network architecture can no longer meet the real-time requirements of users for business. Therefore, with the development of satellite formation technology, distributed satellite technology has gradually developed. A distributed satellite network is composed of multiple small satellites flying in formation to cooperate to complete space missions, whi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04W28/02H04W28/08H04W84/06H04W84/08
CPCH04L67/1044H04W28/0236H04W84/06H04W84/08H04L67/1001H04W28/082
Inventor 任智源何秀丽张海林程文驰陈晨
Owner XIDIAN UNIV
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