量子多址信道的联合信源信道编码
Joint source-channel coding for a quantum multiple access channel
摘要：
假设两个随机数都得到一个经典的、二元的、相关的信息源的输出。他们希望使用量子多址信道将相关源传输到接收器。在先前的工作中，Cover，El Gamal和Salehi提供了一种用于经典多址信道的组合信源信道编码策略，该策略优于简单的“分离”策略，其中单独的码本用于信源编码和信道编码任务。在本文中，我们证明了一个类似于覆盖萨尔瓦多Gamal-Salehi策略的编码策略和相应的量子同步解码器允许可靠的传输源在量子多址信道，只要一组信息不等式涉及Holevo数量举行。
英文摘要：
Suppose that two senders each obtain one share of the output of a classical, bivariate, correlated information source. They would like to transmit the correlated source to a receiver using a quantum multiple access channel. In prior work, Cover, El Gamal, and Salehi provided a combined source-channel coding strategy for a classical multiple access channel which outperforms the simpler "separation" strategy where separate codebooks are used for the source coding and the channel coding tasks. In the present paper, we prove that a coding strategy similar to the Cover-El Gamal-Salehi strategy and a corresponding quantum simultaneous decoder allow for the reliable transmission of a source over a quantum multiple access channel, as long as a set of information inequalities involving the Holevo quantity hold.
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