Multiple-Access Bosonic Communications

Details Multiple-Access Bosonic Communications Multiple-Access Bosonic Communications

2005-06-21

arxiv.org/abs/quant-ph/0506171v2

Physics

Quantum Physics

11 pages, 5 figures, corrected two figures, accepted for publication in Phys. Rev. A

Scientific paper

10.1117/12.609426

The maximum rates for reliably transmitting classical information over Bosonic multiple-access channels (MACs) are derived when the transmitters are restricted to coherent-state encodings. Inner and outer bounds for the ultimate capacity region of the Bosonic MAC are also presented. It is shown that the sum-rate upper bound is achievable with a coherent-state encoding and that the entire region is asymptotically achievable in the limit of large mean input photon numbers.

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