Bit-interleaved coded modulation with iterative decoding using soft feedback

被引：139
|
作者：
Li, XD [1 ]
Ritcey, JA [1 ]
机构：
[1] Univ Washington, Dept Elect Engn, Seattle, WA 98195 USA
来源：
ELECTRONICS LETTERS | 1998年 / 34卷 / 10期
关键词：
D O I：
10.1049/el:19980651
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：
A new iterative decoding (ID) scheme is suggested for bit-interleaved coded modulation (BICM). The bit-metric generation at the demodulator is optimised with the soft-output feedback from the convolutional decoder. Computer simulation results indicate that BICM-ID, with a few iterations, significantly outperforms conventional trellis coded modulation and is therefore another promising technique to achieve large coding gain without bandwidth expansion.
引用
收藏
页码：942 / 943
页数：2
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