Analytical Performance Evaluation of Hierarchical 16 QAM for Multicast/Broadcast Transmission

被引：8
|
作者：
Lee, Seung Joon [1 ]
Kim, Kyung-Ah [2 ]
Jung, Jin Su [2 ]
Lee, Seong-Choon [2 ]
机构：
[1] Kangwon Natl Univ, Dept Elect Engn, Chunchon 200701, South Korea
[2] Korea Telecom, Seoul 137792, South Korea
来源：
IEEE COMMUNICATIONS LETTERS | 2012年 / 16卷 / 10期
关键词：
Broadcast; coverage; hierarchical QAM; multicast; mutual information; scalable video coding; MODULATION; VIDEO;
D O I：
10.1109/LCOMM.2012.082012.112599
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
An information theoretical approach is applied to analyze the performance of hierarchical 16 quadrature amplitude modulation (QAM). Using the approach, it is quantitatively evaluated how much the hierarchical 16 QAM outperforms non-hierarchical, conventional 16 QAM. More specifically, two kinds of performance comparisons are examined. First, the performance of the hierarchical QAM combined with layered source encoding (such as scalable video coding) is compared to that of the non-hierarchical QAM without layered source encoding. Second, the former is compared to the performance of the non-hierarchical QAM, also with layered source encoding.
引用
收藏
页码：1536 / 1539
页数：4
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