Some Results on Network Error Correction With Time-Varying Adversarial Errors

IEEE Transactions on Communications(2019)

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摘要
We consider a unicast network with an adversary who is able to attack a proportion of edges, which is no more than $p$ for some $0 < p < 1$ . Based on the knowledge of the adversary, three cases of attacks are considered: 1) the adversary knows nothing about the source message; 2) the adversary knows the source message but does not know the transmitted codeword; and 3) the adversary knows the transmitted codeword. Two classes of code schemes, deterministic code and stochastic code, are designed to assure reliable transmission against the adversarial attack. It is concluded that stochastic code does not provide any more benefit than the deterministic code does against the attacking cases 1 and 3. However, when the attacking case 2 is considered, stochastic code would achieve a higher capacity than the deterministic code does.
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关键词
Encoding,Stochastic processes,Error correction codes,Network coding,Decoding,Unicast,Receivers
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