Refined channel estimation for coherent detection of turbo codes over flat-fading channels

被引：29
|
作者：
Valenti, MC [1 ]
Woerner, BD [1 ]
机构：
[1] Virginia Polytech Inst & State Univ, Mobile & Portable Radio Res Grp, Blacksburg, VA 24061 USA
来源：
ELECTRONICS LETTERS | 1998年 / 34卷 / 17期
关键词：
D O I：
10.1049/el:19981183
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：
Channel state information is required for the coherent detection and decoding of turbo codes transmitted over flat-fading channels. A channel estimation technique suitable for turbo codes is presented. The technique uses pilot symbols to obtain initial channel estimates. and refines the estimates after each iteration of the turbo decoder.
引用
收藏
页码：1648 / 1649
页数：2
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