Quantum Multiple Access Channel

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Published under licence by IOP Publishing Ltd
, , Citation Hou Guang et al 2002 Chinese Phys. Lett. 19 4 DOI 10.1088/0256-307X/19/1/302

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1 Department of Modern Physics, University of Science and Technology of China, Hefei 230026

2 Special Class for Gifted Young, University of Science and Technology of China, Hefei 230026

3 CCAST (World Laboratory), P.O. Box 8730, Beijing 100080

Dates

  1. Received 13 August 2001
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0256-307X/19/1/4

Abstract

We consider the transmission of classical information over a quantum channel by many senders, which is a generalization of the two-sender case. The channel capacity region is shown to be a convex hull bound by the von Neumann entropy and the conditional von Neumann entropies. The result allows a reasonable distribution of channel capacity over the senders.

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