Superposition Modulation: Myths and Facts

被引：68
|
作者：
Hoeher, Peter Adam [1 ]
Wo, Tianbin [1 ,2 ]
机构：
[1] Univ Kiel, Int Master Program Digital Commun, D-24098 Kiel, Germany
[2] Univ Kiel, Informat & Coding Theory Lab ICT, D-24098 Kiel, Germany
来源：
IEEE COMMUNICATIONS MAGAZINE | 2011年 / 49卷 / 12期
关键词：
CODED MODULATION;
D O I：
10.1109/MCOM.2011.6094014
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Traditionally, digital modulation schemes are bijective (i.e., the signal constellation points are disjunct), and the mapping is unique. Only recently it has been discovered that non-bijective modulation schemes may outperform bijective modulation schemes when employed in conjunction with suitable channel coding and iterative processing. In this in-depth tutorial, we clarify myths and facts about non-bijective modulation. Emphasis is on superposition modulation (SM). Without active signal shaping, SM outperforms bit-interleaved coded modulation with PSK or square QAM modulation at even lower receiver complexity.
引用
收藏
页码：110 / 116
页数：7
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