Performance of Reduced-Complexity Decoding Algorithms for Turbo TCM Signals in Rayleigh Fading Channels

被引：0
|
作者：
Tyczka, Piotr [1 ]
机构：
[1] Poznan Univ Tech, Chair Wireless Commun, PL-60965 Poznan, Poland
来源：
2013 21ST INTERNATIONAL CONFERENCE ON SOFTWARE, TELECOMMUNICATIONS AND COMPUTER NETWORKS (SOFTCOM 2013) | 2013年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Turbo trellis-coded modulation (TTCM) is a promising bandwidth-efficient transmission scheme, particularly suited for applications in wireless communication systems. Turbo TCM results from the combination of Ungerboeck's TCM technique with the idea of turbo coding. In this paper, turbo TCM transmission with reduced-complexity decoding algorithms in Rayleigh fading channels is studied. In particular, we examine performance of two recently proposed modifications of the Log-MAP algorithm, that is, Log-MAP-n and Log-MAP delta algorithms which offer substantial decoding effort savings with respect to conventional Log-MAP. Simulated performance of simplified algorithms are compared to those of optimal Log-MAP and low-complexity Max-Log-MAP.
引用
收藏
页码：269 / 273
页数：5
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