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In this letter, we introduce a new technique for deriving the exact decoding delay distribution expressions of random linear coding schemes over a lossy channel. Our approach is mainly based on two transformations: on the one hand, from an overall perspective, the correspondence between the calculation of the exact decoding delay distribution over a perfect channel and the counting problem for some...
Time table problem is a multifactor optimized decision problem and is typical problem in constitution and planning. It has been proved as a kind of NP-complete problem. Genetic Algorithm (GA) is based on the biological mechanism of natural selection and heredity, leveraging colony searching technology, and is particularly applicable for the resolution of complicated on-linear problems intractable...
Modern wearable system requires users to transmit their own information of exact location and physical characteristics timely. It is required to reduce the network delay and excessive energy consumption, which are caused by network code in wearable WSNs. A fast random linear mechanism of network coding based on nodes collaboration is introduced. Energy consumption of nodes is reduced by transmitting...
To efficiently exploit the broadcast feature of wireless channels, a opportunistic routing protocol based on random linear network coding is proposed for wireless sensor networks. The protocol requires each node except for destination in network to transmit the random linear combination created by all packets in buffer, and confirms the expected number of transmissions according to node's credit value...
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