Trellis-coded modulation with bit interleaving and iterative decoding

被引：137
作者：
Li, XD [1 ]
Ritcey, JA [1 ]
机构：
[1] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA
来源：
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS | 1999年 / 17卷 / 04期
关键词：
bit interleaving; convolutional code; flat fading; iterative decoding; Rayleigh fading; signal labeling; trellis-coded modulation;
D O I：
10.1109/49.761047
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 considers bit-interleaved coded modulation (BICM) for bandwidth-efficient transmission using software radios. A simple iterative decoding (ID) method with hard-decision feedback is suggested to achieve better performance. The paper shows that convolutional codes with good Hamming distance property can provide both high diversity order and large free Euclidean distance for BICM-ID, The method offers a common framework for coded modulation over channels with a variety of fading statistics. In addition, BICM-ID allows an efficient combination of punctured convolutional codes and multiphase/level modulation, and therefore provides a simple mechanism for variable-rate transmission.
引用
收藏
页码：715 / 724
页数：10
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