Opportunity routing algorithm based on network encoding in satellite network

A technology of satellite network and network coding, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of not being able to adapt to the dynamic changes of satellite network links, and can not adapt to the dynamic changes of satellite network links, so as to reduce redundancy. The effect of the transmission of the remainder of the packet

Active Publication Date: 2016-06-01
DALIAN UNIV
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  • Abstract
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AI Technical Summary

Benefits of technology

The technology described by this patented solves problems with current methods that use network codes for efficient communication between devices within an internet protocol (IP) connection system without overloading any resources or causing delays during signal transfer due to failures along specific links connecting different parts of the IP system together. This results in improved efficiency and reliability when transmitting signals across multiple networks connected via these connections.

Problems solved by technology

This patented technical problem addressed by these two methods described for improving wireless networking performance involves developing new techniques or combining them into one more effective way than just relying solely upon default route selection algorithms like Mobi_Reno.

Method used

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  • Opportunity routing algorithm based on network encoding in satellite network
  • Opportunity routing algorithm based on network encoding in satellite network
  • Opportunity routing algorithm based on network encoding in satellite network

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Embodiment Construction

[0034] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] Please combine figure 1 According to a preferred embodiment of the present invention, an opportunistic routing algorithm based on network coding in a satellite network includes steps S1 to S5.

[0036] S1: Modeling the maximum average throughput of the satellite network, wherein the modeling elements include nodes, transmission rate of information sources, performance function of average throughput, reputation rate, data packets, and feedback coding packets, and the nodes include source nodes , destination node and relay node.

[0037] Specifically, it is modeled as follows:

[0038] The average throughput of the satellite network is expressed as follows:

[003...

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Abstract

The invention relates to an opportunity routing algorithm based on network encoding in a satellite network. The opportunity routing algorithm comprises the following steps: S1, modeling the maximum average throughput of the satellite network, wherein modeling elements comprise a source node, a destination node, a relay node, a sending rate of an information source, a performance function of the average throughput, a credit rate, a data packet and a feedback encoding packet; S2, figuring out an optimal solution structure of the model by using the convex optimization theory; S3, compressing feedback information indicating that the data packet is received in a feedback encoding packet by using the encoding feedback technology, and meanwhile, locally maintaining a link state table in each node by using the encoding feedback technology, wherein the link state is the information of the node and an adjacent node and a measurement of the link, and the measurement comprises a Lagrange variable difference of the node and the adjacent node; S4, processing and determining to send a next hop node set of the current data packet and determining the size of the credit rate of each node in the set by the relay node by using an encoding feedback algorithm; and S5, confirming a data segment.

Description

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Claims

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Application Information

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Owner DALIAN UNIV
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