Stratospheric active routing design method based on delay/disruption tolerant network

A design method and stratospheric technology, applied in data exchange networks, traffic flow detection, aircraft traffic control, etc., can solve problems such as inability to adapt to the characteristics of the stratosphere, avoid local optimal solutions, shorten search time, and improve search efficiency. Effect
CN104158741AInactive Publication Date: 2014-11-19NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
Publication Date
2014-11-19
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a stratospheric active routing design method based on a delay / disruption tolerant network. The active routing process is conducted in a manner of clustering, layering and cruising by unmanned aerial vehicles. The method comprises the following steps: firstly, dividing a user node into a plurality of mutually disjointed regions according to geographic positions through a clustering algorithm, and selecting an aggregation node of each region; secondly, sending the message to the aggregation node through the unmanned aerial vehicle in the region when a node in the region hopes to send a message to a user outside the region; thirdly, cruising the aggregation nodes through the unmanned aerial vehicle in the whole network; finally, uploading a message that a destination does not belong to the region to the unmanned aerial vehicle through the aggregation nodes when the unmanned aerial vehicle in the whole network passes through the aggregation nodes, forwarding the message to the aggregation node of the destination region thorugh the unmanned aerial vehicle in the whole network, and forwarding the message to the destination node through the unmanned aerial vehicle of the destination aggregation node.
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Description

Technical field

[0001] The invention relates to an active routing design method for a restricted network, in particular to a stratospheric active routing design method based on a delay tolerant and interruption tolerant (DTN) network. Background technique

[0002] Delay / Disruption Tolerant Networks (Delay / Disruption Tolerant Networks), abbreviated as DTN, is a computer network architecture method that aims to solve the lack of sustainable network connections or long transmission delays in heterogeneous networks The problem of reliable data transmission.

[0003] DTN network is a type of network form without a stable end-to-end transmission path. It consists of a group of mobile hosts with wireless receiving devices and can communicate with each other without relying on infrastructure control. This type of network is also called a restricted network, and its characteristics include: long or variable delay, intermittent connections, asymmetric data transmission rate and high data li...

Claims

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