复合量子窃听信道的保密容量及其应用
信息论
2015-06-15 v5 math.IT
量子物理
摘要
我们确定了发射端具有信道状态信息的含量子窃听者的复合信道的保密容量。此外,我们推导了该信道在无信道状态信息下的保密容量下界,并确定了发射端具有信道状态信息的复合经典 - 量子窃听信道的保密容量。利用该结果,我们为复合量子信道的纠缠生成容量下界提供了新的证明。我们还为编码端具有信道状态信息的复合量子信道的纠缠生成容量提供了新的证明。
引用
@article{arxiv.1302.3412,
title = {Secrecy capacities of compound quantum wiretap channels and applications},
author = {Holger Boche and Minglai Cai and Ning Cai and Christian Deppe},
journal= {arXiv preprint arXiv:1302.3412},
year = {2015}
}
备注
We revised and improved our paper arXiv:1208.1151. We added a new result for capacity and a new section for applications. arXiv admin note: text overlap with arXiv:1202.0773. Published in the 1 May 2014 issue of Physical Review A, Vol.89, No.5