On Information Theoretic Aspects of Single- and Multi-Carrier Communications

被引：0
|
作者：
Franceschini, M. [1 ]
Pighi, R. [2 ]
Ferrari, G. [1 ]
Raheli, R. [1 ]
机构：
[1] Univ Parma, Dipartimento Ingn Informaz, Viale GP Usberti 181A, I-43100 Parma, Italy
[2] Roveleto Cadeo, Selta S p A, Piacenza, Italy
来源：
2008 INFORMATION THEORY AND APPLICATIONS WORKSHOP | 2008年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we investigate the relation between the quadrature amplitude modulation (QAM) input information rates (IRs) of multi-carrier (MC) and single carrier (SC) systems transmitted over inter-symbol interference (ISI) channels with additive white Gaussian noise (AWGN). In particular, considering uniform power spectrum transmission, we conjecture that, for a given channel impulse response, the IR corresponding to an SC input distribution is higher than that corresponding to an MC input distribution. We give an intuitive justification of our conjecture and confirm it, by means of numerical results, considering two sets of randomly generated channels.
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页码：124 / +
页数：2
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