基于迭代的同频混合信号单通道盲分离/译码算法
TN911.7; 针对采用长约束信道编码的同频调制混合信号,提出了一种利用编码的单通道盲分离/译码迭代算法.该算法通过在盲分离过程中利用译码后反馈的符号软信息来改善分离效果,重点研究了软输入软输出盲分离、最大似然概率译码以及分离译码间的软信息交互.仿真结果表明,迭代盲分离算法相比不采用迭代的算法可获得更好的性能,对于采用(2,1,6)卷积码和随机交织的BPSK混合信号,前者进行2次迭代时可获得约2dB的信噪比增益....
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| Published in | 通信学报 Vol. 32; no. 8; pp. 111 - 117 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
盲信号处理国家重点实验室,四川成都,610041
2011
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1000-436X |
| DOI | 10.3969/j.issn.1000-436X.2011.08.014 |
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| Abstract | TN911.7; 针对采用长约束信道编码的同频调制混合信号,提出了一种利用编码的单通道盲分离/译码迭代算法.该算法通过在盲分离过程中利用译码后反馈的符号软信息来改善分离效果,重点研究了软输入软输出盲分离、最大似然概率译码以及分离译码间的软信息交互.仿真结果表明,迭代盲分离算法相比不采用迭代的算法可获得更好的性能,对于采用(2,1,6)卷积码和随机交织的BPSK混合信号,前者进行2次迭代时可获得约2dB的信噪比增益. |
|---|---|
| AbstractList | TN911.7; 针对采用长约束信道编码的同频调制混合信号,提出了一种利用编码的单通道盲分离/译码迭代算法.该算法通过在盲分离过程中利用译码后反馈的符号软信息来改善分离效果,重点研究了软输入软输出盲分离、最大似然概率译码以及分离译码间的软信息交互.仿真结果表明,迭代盲分离算法相比不采用迭代的算法可获得更好的性能,对于采用(2,1,6)卷积码和随机交织的BPSK混合信号,前者进行2次迭代时可获得约2dB的信噪比增益. |
| Author | 涂世龙 廖灿辉 万坚 |
| AuthorAffiliation | 盲信号处理国家重点实验室,四川成都,610041 |
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| Author_FL | TU Shi-long LIAO Can-hui WAN Jian |
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| Title | 基于迭代的同频混合信号单通道盲分离/译码算法 |
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