Covert Capacity of Bosonic Channels
Covert Capacity of Bosonic Channels
复制标题
玻色子通道的隐蔽能力
DOI:
10.1109/jsait.2020.3017199
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Bash, Boulat A.
中科院分区:
文献类型:
--
作者:
Gagatsos, Christos N.;Bullock, Michael S.;Bash, Boulat A.
We investigate the quantum-secure covert-communication capabilities of lossy thermal-noise bosonic channels, the quantum-mechanical model for many practical channels. We determine the expressions for the covert capacity of these channels: Lno-EA, when Alice and Bob share only a classical secret, and LEA, when they benefit from entanglement assistance. We find that entanglement assistance alters the fundamental scaling law for covert communication. Instead of Lno-EA√n - rno-EA(n), rno-EA(n) = o(√n), entanglement assistance allows LEA√nlogn - rEA(n), rEA(n) = o(√nlogn), covert bits to be transmitted reliably over n channel uses.
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影响因子:
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DOI:
10.1109/isit.2017.8007122
发表时间:
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期刊:
2017 IEEE International Symposium on Information Theory (ISIT)
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DOI:
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发表时间:
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期刊:
2016 IEEE Information Theory Workshop (ITW)
影响因子:
--
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