Non-Uniform Constellations for ATSC 3.0

被引：100

作者：

Loghin, Nabil Sven ^{[1
]}

Zoellner, Jan ^{[2
]}

Mouhouche, Belkacem ^{[3
]}

Ansorregui, Daniel ^{[3
]}

Kim, Jinwoo ^{[4
]}

Park, Sung-Ik ^{[5
]}

机构：

[1] Sony Deutschland GmbH, European Technol Ctr, D-70327 Stuttgart, Germany

[2] Tech Univ Carolo Wilhelmina Braunschweig, D-38106 Braunschweig, Germany

[3] Samsung, Staines TW18 4QE, England

[4] LG Elect, Seoul 137130, South Korea

[5] Elect & Telecommun Res Inst, Broadcasting Syst Res Grp, Daejeon 305700, South Korea

来源：

IEEE TRANSACTIONS ON BROADCASTING | 2016年 / 62卷 / 01期

关键词：

Non-uniform constellations; constellation shaping; QAM; ATSC3.0; terrestrial broadcast; OPTIMIZATION;

D O I：

10.1109/TBC.2016.2518620

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：

This paper introduces the concept of a non-uniform constellation (NUC) in contrast to conventional uniform quadrature-amplitude modulation (QAM) constellations. Such constellations provide additional shaping gain, which allows reception at lower signal-to-noise ratios. ATSC3.0 will be the first major broadcasting standard, which completely uses NUCs due to their outstanding properties. We will consider different kinds of NUCs and describe their performance: 2-D NUCs provide more shaping gain at the cost of higher demapping complexity, while 1-D NUCs allow low-complexity demapping at slightly lower shaping gains. These NUCs are well suited for very large constellations sizes, such as 1k and 4k QAM.

引用

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页码：197 / 203

页数：7

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