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Entanglement-assisted capacity regions and protocol designs for quantum multiple-access channels
2021
npj Quantum Information
AbstractWe solve the entanglement-assisted (EA) classical capacity region of quantum multiple-access channels (MACs) with an arbitrary number of senders. As an example, we consider the bosonic thermal-loss MAC and solve the one-shot capacity region enabled by an entanglement source composed of sender-receiver pairwise two-mode squeezed vacuum states. The EA capacity region is strictly larger than the capacity region without entanglement-assistance. With two-mode squeezed vacuum states as the
doi:10.1038/s41534-021-00412-3
fatcat:e7oaigfjyvcnjh6pt5gslmwjcm