摘要
信号盲识别在无线通信领域中取得了大量应用成果,其中空时分组码的盲识别问题是信号盲识别中一个新的重要问题。针对空时分组码类型识别中的最大似然算法和基于特征参数的算法进行了归纳。首先介绍空时分组码识别在无线通信技术中的地位和作用,然后对现有空时分组码类型识别算法进行分类,分析每种算法的关键技术和基本识别思想,最后对现有的算法进行总结,对空时分组码类型识别算法未来的发展难点和热点进行了展望。
Blind signal classification, a major task of wireless communication area, has important applications. Classification of space-time block code ( STBC) is a new important area in blind signal classification. The maximum likelihood based and feature based algorithms for classification of STBC was concluded. Firstly the position of classification of STBC in wireless communication systems was introduced. Secondly the category of classification algorithms was illustrated. Thirdly, the key steps and basic ideas of the algorithms were analyzed. And finally, the proposed algorithms were summarized and the future development of classifica-tion of STBC was pointed out.
出处
《计算机与现代化》
2015年第9期66-71,76,共7页
Computer and Modernization
基金
国家自然科学基金资助项目(61102167)
关键词
信号处理
空时分组码
相关函数
循环平稳
signal processing
space-time block bode
correlation function
cyclostationarity