Second-order rate region of constant-composition codes for the multiple-access channel

Second-order rate region of constant-composition codes for the multiple-access channel
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多址信道恒定组成码的二阶速率区域

DOI：
10.1109/tit.2014.2371026
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发表时间：
2013
期刊：
2013 51st Annual Allerton Conference on Communication, Control, and Computing (Allerton)
影响因子：
--
通讯作者：
A. G. Fàbregas
A. G. Fàbregas
中科院分区：
--
文献类型：
--
作者：
J. Scarlett;Alfonso Martinez;A. G. Fàbregas

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本文提出了离散无记忆多址信道可实现的二阶速率区域。结果是使用随机编码集合获得的，其中每个用户的码本包含固定组合的码字。结果表明，在二阶渐近性方面，该集成的性能至少与i.i.d随机编码一样好，并给出了一个严格改进的例子。
This paper presents an achievable second-order rate region for the discrete memoryless multiple-access channel. The result is obtained using a random-coding ensemble in which each user's codebook contains codewords of a fixed composition. It is shown that this ensemble performs at least as well as i.i.d. random coding in terms of second-order asymptotics, and an example is given where a strict improvement is observed.