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Classical State Masking over a Quantum Channel

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arxiv 2109.12647 v2 pith:NKM3XM63 submitted 2021-09-26 quant-ph cs.ITmath.IT

Classical State Masking over a Quantum Channel

classification quant-ph cs.ITmath.IT
keywords channelquantuminformationclassicalmaskingmeasurementstatechannels
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Transmission of classical information over a quantum state-dependent channel is considered, when the encoder can measure channel side information (CSI) and is required to mask information on the quantum channel state from the decoder. In this quantum setting, it is essential to conceal the CSI measurement as well. A regularized formula is derived for the masking equivocation region, and a full characterization is established for a class of measurement channels.

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