Classical Codes for Quantum Broadcast Channels
The authors 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. They use a quantum simultaneous non-unique decoder and obtain a simpler proof of the rate region recently published by Yard et al. in independent work. Their 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.