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Supporting effective and efficient data delivery in delay tolerant networks (DTNs) is a challenging problem due to the nature of the network. In this paper, we propose to use network coding technique based on Growth Code to improve the performance of data delivery in DTNs. We incorporate Growth Codes into Epidemic Routing and First Contact routing in DTNs to provide two network coding based routing...
The paper proposes an efficient transient audio coding algorithm based on Discrete Cosine Transform (DCT) and sine extraction with Matching Pursuit (MP), which can be used conveniently in the sinusoidal parametric audio coder. The overlapped input frame is firstly classified into transient and non-transient signal. The transient detection is designed based on the energy ratio of the overlapped subframe...
This paper proposes a new reconfigurable flight control system design methodology using the optimal eigenstructure assignment with constrained output feedback. An integrated performance index is given in this methodology which combines the performance index of the reconfigured eigenstructure and the performance index of the stability of the reconfigured closed-loop system. Then particle swarm optimization...
Passport is a new secure and adoptable source address validation technique, which has attracted fully attention. In this article, we research into the efficiency of Passport. First of all, we build a mathematical model to describe Passportpsilas function, then propose an evaluating indexes, at last we use Brite generate a Power-Law network topology and design correlative algorithm to quantitative...
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