A reduced state SISO iterative decoding algorithm for serially concatenated continuous phase modulation

被引：0
|
作者：
SUN JinHua
机构：
来源：
ScienceinChina(SeriesF:InformationSciences) | 2007年 / 04期
基金：
中国国家自然科学基金;
关键词：
concatenated codes; continuous phase modulation (CPM); soft input soft output (SISO); Euclidean distance;
D O I：
暂无
中图分类号：
TN911.3 [调制理论];
学科分类号：
081002 ;
摘要：
In this paper, serially concatenated continuous phase modulation (SCCPM) system is analyzed and a reduced state soft input soft output (SISO) a posteriori probability algorithm is proposed. Based on the reduced state sequence detection (RSSD), it has the more general form compared with other reduced state SISO algorithms. The proposed algorithm can greatly reduce the state number, thus leads to the compu- tation complexity reduction. It also minimizes the degradation in Euclidean dis- tance with decision feedback in the reduced state trellis. Analysis and simulation results show that the performance degradation is little with proper reduction scheme.
引用
收藏
页码：539 / 550
页数：12
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