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Secrecy capacities of compound quantum wiretap channels and applications

机译:复合量子窃听通道的保密容量及其应用

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We determine the secrecy capacity of the compound channel with quantum wiretapper and channel state information at the transmitter. Moreover, we derive a lower bound on the secrecy capacity of this channel without channel state information and determine the secrecy capacity of the compound classical-quantum wiretap channel with channel state information at the transmitter. We use this result to derive a proof for a lower bound on the entanglement generating capacity of the compound quantum channel. We also derive a proof for the formula for entanglement generating capacity of the compound quantum channel with channel state information at the encoder which was given in additional information [Bjelakovi?, Boche, and N?tzel, in Proceedings of International Symposium on Information Theory ISIT, Korea, 2009 (IEEE, New York, 2009), pp. 1889–1893].
机译:我们用量子窃听器和发射机处的信道状态信息确定复合信道的保密容量。此外,我们在没有信道状态信息的情况下得出该信道的保密容量的下限,并在发射机处确定具有信道状态信息的复合经典量子窃听信道的保密容量。我们用这个结果来推导关于复合量子通道的纠缠产生能力的下界的证明。我们还获得了关于在编码器上具有通道状态信息的复合量子通道的纠缠生成能力公式的证明,该公式在附加信息[Bjelakovi?,Boche和N?tzel,在国际信息论ISIT研讨会论文集中提供,韩国,2009年(IEEE,纽约,2009年),第1889–1893页。

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