Turbo Trellis Coded Modulation with two typical mapping strategies of 16QAM in image transmission

被引：0
|
作者：
Bai, ZQ [1 ]
Yuan, DF [1 ]
机构：
[1] Inha Univ, Grad Sch Informat Technol & Telecommun, Telecommun Engn Lab, Inchon, South Korea
来源：
VISUAL COMMUNICATIONS AND IMAGE PROCESSING 2004, PTS 1 AND 2 | 2004年 / 5308卷
关键词：
turbo codes; Turbo Trellis Coded Modulation; 16QAM; UP; BP;
D O I：
10.1117/12.526527
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, based on the characteristics of Turbo Codes and Trellis Coded Modulation (TCM), an improved method Turbo Trellis Coded Modulation (Turbo TCM) with two different mapping strategies is presented over AWGN (add white gauss noise) channels. The performance of different mapping strategies of Turbo TCM in AWGN channels for image transmission is analyzed and investigated. Furthermore, taking 16QAM modulation of Turbo TCM as the example, two different signal constellations are compared and computer simulation results are showed.
引用
收藏
页码：871 / 875
页数：5
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