期刊文献+

使用TAST码的BI-STCM-ID系统中的星座映射分析

Analysis of constellation labeling for bit-interleaved space time coded modulation with TAST code
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摘要 研究了BI-STCM-ID系统中的星座映射问题。证明了在使用TAST空时编码方案的BI-STCM-ID系统中,基于最大化编码增益的高维星座映射设计优化问题等价于基于最大化欧式距调和均值的一维星座映射设计优化问题。 The problem of constellation mapping in BI-STCM-ID system is investigated. It is proved that, in bitinterleaved space-time coded modulation systems with iterative decoding, when threaded algebraic space-time code is used, the problem of optimization of multi-dimensional constellation based on the criterion of maximization of coding gain can be reduced to that of optimization of one dimensional constellation based on the criterion of maximization of harmonic mean of Euclidean distance of constellation point.
出处 《计算机应用》 CSCD 北大核心 2008年第B06期104-106,共3页 journal of Computer Applications
基金 国家科技支撑项目(2006BAD10A03)
关键词 空时编码调制 星座映射 TAST码 space-time coded modulation constellation labeling Threaded Algebraic Space-Time code (TAST)
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