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Correlation analysis of linear network coding and its infection route
Author: HanXu
Tutor: YangYuWang
School: Nanjing University of Technology and Engineering
Course: Applied Computer Technology
Keywords: Mobile wireless sensor networks Infection route Ring routing Network Model Network coding Linear correlation
CLC: TN911.22
Type: Master's thesis
Year: 2012
Downloads: 18
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Abstract
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In mobile wireless sensor network (M-WSNs) with linear network coding to improve the network transmission performance and robustness , coding packets linearly related problems caused by the linear network coding strategy will give the entire network data transfer performance with to great instability . However the the M-WNS network topology uncertainty makes the network must send redundant encoding packets to ensure the correct transmission of the data . The traditional \Extended encoding directly on the traditional n order matrix expansion is no longer able to guarantee linear independence between adding redundant encoding packets to establish the ring routing network model and infectious routing network model to study this problem , according to a model based on random linear network coding commonly used to determine the linear network coding M-WSNs . The analysis results show either random linear network coding or existing various other determine the linear network coding strategy or not be applicable in the case changeable real M-WSNs environment , or can not be guaranteed during the transmission redundantly encoded packet line sex has nothing to do . Based on this conclusion to establish the mathematical model for a variety of commonly used network coding strategy may lead to linear correlation of coded packets and analyze results of the analysis proposed weight Vandermonde ladder fast coding strategies ( PVFC ) model proved PVFC algorithm M-WSNs environment as well as its coding efficiency can be well adapted . Finally, the discrete-event simulation experiments to verify outstanding prior to the correctness of the model and PVFC coding fast delivery performance .
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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Communication theory > Information Theory > Channel coding theory
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