Classical codes for quantum broadcast channels

Details Classical codes for quantum broadcast channels Classical codes for quantum broadcast channels

2011-11-15

arxiv.org/abs/1111.3645v1

Physics

Quantum Physics

6 pages, submission to ISIT 2012, Boston, MA, USA

Scientific paper

We discuss two techniques for transmitting classical information over quantum broadcast channels. The first technique is a quantum generalization of the superposition coding scheme for the classical broadcast channel. We use a quantum simultaneous nonunique decoder and obtain a simpler proof of the rate region recently published by Yard et al. in independent work. Our second result is a quantum Marton coding scheme, which gives the best known achievable rate region for quantum broadcast channels. Both results exploit recent advances in quantum simultaneous decoding developed in the context of quantum interference channels.

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