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首页> 外文期刊>IEEE Transactions on Information Theory >Secure Communication Over Fully Quantum Gel’fand-Pinsker Wiretap Channel
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Secure Communication Over Fully Quantum Gel’fand-Pinsker Wiretap Channel

机译:通过完全量子凝胶的安全通信 - FAND-PINSKER WIRETAP通道

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摘要

In this work we study the problem of secure communication over a fully quantum Gel’fand-Pinsker channel. The best known achievability rate for this channel model in the classical case was proven by Goldfeld, Cuff and Permuter, and here we generalize their result. One key feature of the results obtained in this work is that all the bounds are based on error exponents. We obtain our achievability result via the technique of simultaneous pinching. This in turn allows us to show the existence of a simultaneous decoder. Further, to obtain our encoding technique and to prove the security feature of our coding scheme we prove a bivariate classical-quantum channel resolvability lemma and a conditional classical-quantum channel resolvability lemma. As a byproduct of the achievability result obtained in this work, we also obtain an achievable rate for a fully quantum Gel’fand-Pinsker channel in the absence of Eve. The form of this achievable rate matches with its classical counterpart. The Gel’fand-Pinsker channel model had earlier only been studied for the classical-quantum case and in the case where Alice (the sender) and Bob (the receiver) have shared entanglement between them.
机译:在这项工作中,我们研究了完全量子凝胶的安全通信问题。通过Goldfeld,Cuff和Fervuer,并概括了古典案件中该频道模型的最佳已知成就率。在本工作中获得的结果的一个关键特征是所有界限都基于错误指令。我们通过同时捏的技术获得了我们的成就性。这反过来又允许我们展示同时解码器的存在。此外,为了获得我们的编码技术并证明我们的编码方案的安全特征,我们证明了一种双变化的经典量子信道可解变性引理和条件经典 - 量子信道可解变性引理。作为在该工作中获得的可实现的结果的副产物,我们还可以在不存在EVE的情况下获得完全量子凝胶'Fand-PINSKER通道的可实现速率。这种可实现的速率的形式与其经典同行相匹配。凝胶'Fand-PINSKER频道模型仅对经典Quantum案例进行了研究,并且在Alice(发件人)和鲍勃(接收器)之间的情况下,它们之间存在共同的纠缠。

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