Iterative joint synchronisation and turbo-decoding

被引：6
|
作者：
Burr, AG [1 ]
Zhang, L [1 ]
机构：
[1] Univ York, Dept Elect, York YO10 5DD, N Yorkshire, England
来源：
ISIT: 2002 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS | 2002年
关键词：
D O I：
10.1109/ISIT.2002.1023686
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We consider the problem of synchronisation (i.e. carrier phase and symbol timing recovery) and decoding in coded systems, especially turbo-coded systems. We introduce a new concept 'apriori probability aided estimation', where the log-likelihood ratio obtained from a MAP decoder (as used in turbo-decoding) is used to aid estimation in an iterative synchroniser/decoder. We illustrate this in detail with reference to carrier recovery in a turbocoded BPSK system, and demonstrate a substantial performance advantage over conventional separate synchronisation and decoding.
引用
收藏
页码：414 / 414
页数：1
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